{"title":"Retro Arms","description":"","products":[{"product_id":"emg-x-retro-arms-cnc-machined-aluminum-hop-up-unit-for-ak-series-airsoft-aegs-color-emg-blue","title":"EMG x Retro Arms CNC Machined Aluminum Hop-Up Unit for AK Series Airsoft AEGs (Color: EMG Blue)","description":"\u003ch4\u003eFeatures\u003c\/h4\u003e\n\u003cul class=\"productfeatures\"\u003e\n\u003cli\u003eCNC machined construction\u003c\/li\u003e\n\u003cli\u003eStriking EMG Blue anodized finish\u003c\/li\u003e\n\u003cli\u003eConstructed from EN AW 7075 for extended lifespan\u003c\/li\u003e\n\u003cli\u003eAll required hardware included\u003c\/li\u003e\n\u003cli\u003eEMG logo engraved on underside face of unit\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cb\u003eManufacturer:\u003c\/b\u003e\u003cspan\u003e \u003c\/span\u003eEMG x Retro Arms\u003c\/p\u003e\n\u003ch4\u003eSpecifications:\u003c\/h4\u003e\n\u003cp\u003e\u003cb\u003eCompatibility:\u003c\/b\u003e\u003cspan\u003e Most AK series Airsoft AEGs\u003c\/span\u003e\u003cbr\u003e\u003cb\u003eMaterial:\u003c\/b\u003e\u003cspan\u003e Aluminum alloy\u003c\/span\u003e\u003cbr\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003ch4\u003eAbout EMG\u003c\/h4\u003e\n\u003cp\u003eThe EMG vision is to manufacture products the world has never seen before; products we would put our name on, and products that hit the spot! \"EMG\" (Evike Manufacturing Group) was spawned from the realization that if you want something done exactly the way you want it, you need to do it yourself, and we did just that.\u003cbr\u003eWe took our 16 years of knowledge as the market's lead retailer, our network of 300+ superior manufacturers, to work with inspiring top innovators in the firearms industry. That combined with the vision to invest into the Airsoft industry, an industry we believe in, EMG was born.\u003c\/p\u003e","brand":"EMG","offers":[{"title":"Default Title","offer_id":49154370765088,"sku":"CFA50952","price":35.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0726\/9833\/1424\/files\/ra-21542.jpg?v=1725635769"},{"product_id":"emg-x-retro-arms-cnc-machined-aluminum-hop-up-unit-for-ak-series-airsoft-aegs-color-emg-black","title":"EMG x Retro Arms CNC Machined Aluminum Hop-Up Unit for AK Series Airsoft AEGs (Color: EMG Black)","description":"\u003ch4\u003eFeatures\u003c\/h4\u003e\n\u003cul class=\"productfeatures\"\u003e\n\u003cli\u003eCNC machined construction\u003c\/li\u003e\n\u003cli\u003eStriking EMG Blue anodized finish\u003c\/li\u003e\n\u003cli\u003eConstructed from EN AW 7075 for extended lifespan\u003c\/li\u003e\n\u003cli\u003eAll required hardware included\u003c\/li\u003e\n\u003cli\u003eEMG logo engraved on side of unit\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cb\u003eManufacturer:\u003c\/b\u003e\u003cspan\u003e \u003c\/span\u003eEMG x Retro Arms\u003c\/p\u003e\n\u003ch4\u003eSpecifications:\u003c\/h4\u003e\n\u003cp\u003e\u003cb\u003eCompatibility:\u003c\/b\u003e\u003cspan\u003e Most AK series Airsoft AEGs\u003c\/span\u003e\u003cbr\u003e\u003cb\u003eMaterial:\u003c\/b\u003e\u003cspan\u003e Aluminum alloy\u003c\/span\u003e\u003cbr\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003ch4\u003eAbout EMG\u003c\/h4\u003e\n\u003cp\u003eThe EMG vision is to manufacture products the world has never seen before; products we would put our name on, and products that hit the spot! \"EMG\" (Evike Manufacturing Group) was spawned from the realization that if you want something done exactly the way you want it, you need to do it yourself, and we did just that.\u003cbr\u003eWe took our 16 years of knowledge as the market's lead retailer, our network of 300+ superior manufacturers, to work with inspiring top innovators in the firearms industry. That combined with the vision to invest into the Airsoft industry, an industry we believe in, EMG was born.\u003c\/p\u003e","brand":"EMG","offers":[{"title":"Default Title","offer_id":49154377744672,"sku":"CFA50712","price":35.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0726\/9833\/1424\/files\/emg-38261-4.jpg?v=1725636019"},{"product_id":"retro-arms-cnc-machined-aluminum-rotary-hop-up-unit-for-m4-series-airsoft-aegs","title":"Retro Arms CNC Machined Aluminum Rotary Hop-Up Unit for M4 Series Airsoft AEGs","description":"\u003cdiv class=\"product-desc\" id=\"desctab\"\u003e\n\u003ch4\u003eFeatures\u003c\/h4\u003e\n\u003cul class=\"productfeatures\"\u003e\n\u003cli\u003eCNC machined construction\u003c\/li\u003e\n\u003cli\u003eRotary design allows for easy adjustment\u003c\/li\u003e\n\u003cli\u003eConstructed from EN AW 7075 for extended lifespan\u003c\/li\u003e\n\u003cli\u003eAll necessary hardware included\u003c\/li\u003e\n\u003cli\u003eBucking not included\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cb\u003eManufacturer:\u003c\/b\u003e\u003cspan\u003e \u003c\/span\u003eRetro Arms\u003c\/p\u003e\n\u003ch4\u003eSpecifications:\u003c\/h4\u003e\n\u003cb\u003eCompatibility:\u003c\/b\u003e\u003cspan\u003e \u003c\/span\u003eMost M4 series Airsoft AEGs\u003cbr\u003e\u003cb\u003eMaterial:\u003c\/b\u003e\u003cspan\u003e \u003c\/span\u003eAluminum alloy\u003cbr\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"product-desc\"\u003e\u003cspan style=\"color: rgb(255, 42, 0);\"\u003e\u003cem\u003e\u003cstrong\u003e! May come in black or silver anodized coating, depending on batch\u003c\/strong\u003e\u003c\/em\u003e\u003c\/span\u003e\u003c\/div\u003e","brand":"RETRO ARMS","offers":[{"title":"Default Title","offer_id":49155235709216,"sku":"CFA51032","price":39.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0726\/9833\/1424\/files\/ra-59004b.jpg?v=1725649136"},{"product_id":"angel-custom-kratos-ultra-high-strength-high-performance-steel-teeth-aeg-piston-kratos-standard","title":"Retro Arms CNC 19 Steel Teeth Polymer Piston Body","description":"\u003ch4\u003eFeatures\u003c\/h4\u003e\n\u003cul class=\"productfeatures\"\u003e\n\u003cli\u003ePolymer body featuring carbon fiber and molybdenum infusion\u003c\/li\u003e\n\u003cli\u003eCNC milled and heat treated 19 tooth piston rack\u003c\/li\u003e\n\u003cli\u003eFinal tooth shaved for angle of engagement improvement\u003c\/li\u003e\n\u003cli\u003eInjection molded body\u003c\/li\u003e\n\u003cli\u003eCompatible with nearly all AEG gearbox versions and internal parts\u003c\/li\u003e\n\u003cli\u003eOne of a kind construction and design\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan\u003eThe piston may very well be one of the most important parts of the AEG gearbox, knowing this it is essential to install a high quality piston in nearly any build.\u003c\/span\u003e\u003cbr\u003e\u003cbr\u003e\u003cspan\u003eIntroducing the Retro Arms polymer bodied steel toothed piston. Featuring a injection molded polymer body infused with carbon fiber and molybdenum paired with a CNC milled and heat treated tooth rack, this Retro Arms piston is surely one of a kind. To further increase reliability, the final tooth has been shaved to help improve angle of engagement and reduce premature wear. Whether you are simply installing a higher quality piston in your AEG due to a piston failure or you are building a high end set up, the Retro Arms Polymer 16 Steel Teeth Polymer Piston is sure to hold up to the task and then some.\u003c\/span\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eManufacturer:\u003c\/b\u003e\u003cspan\u003e \u003c\/span\u003eRetro Arms\u003c\/p\u003e\n\u003ch4\u003eSpecifications:\u003c\/h4\u003e\n\u003cp\u003e\u003cb\u003ePart:\u003c\/b\u003e\u003cspan\u003e AEG Piston\u003c\/span\u003e\u003cbr\u003e\u003cb\u003eCompatibility:\u003c\/b\u003e\u003cspan\u003e Most common AEG gearbox versions\u003c\/span\u003e\u003cbr\u003e\u003cb\u003eMaterial:\u003c\/b\u003e\u003cspan\u003e Polymer \/ Steel\u003c\/span\u003e\u003cbr\u003e\u003c\/p\u003e","brand":"RETRO ARMS","offers":[{"title":"Default Title","offer_id":49178649133344,"sku":"CFA50543","price":16.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0726\/9833\/1424\/files\/retroarms-93244.jpg?v=1726070037"},{"product_id":"retro-arms-cnc-19-steel-teeth-polymer-piston-body-copy","title":"Madbull Airsoft Piston Body X Factor 1\/2 Teeth w 7 Steel Teeth","description":"\u003cp\u003e\u003cspan\u003eMadbull Airsoft Piston Body X Factor 1\/2 Teeth w 7 Steel Teeth\u003c\/span\u003e\u003c\/p\u003e","brand":"MADBULL","offers":[{"title":"Default Title","offer_id":49178664370464,"sku":"CFA50183","price":30.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0726\/9833\/1424\/files\/MB_PB_XF_1_2__27863.jpg?v=1726070147"},{"product_id":"retro-arms-cz-reinforced-pom-piston-head-for-airsoft-aeg","title":"Retro Arms CZ Reinforced POM Piston Head for Airsoft AEG","description":"\u003ch4\u003eFeatures\u003c\/h4\u003e\n\u003cul class=\"productfeatures\"\u003e\n\u003cli\u003ePOM plastic for improved durability\u003c\/li\u003e\n\u003cli\u003eDouble o-rings for improved air seal\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cb\u003eManufacturer:\u003c\/b\u003e\u003cspan\u003e \u003c\/span\u003eRetro Arms CZ\u003c\/p\u003e\n\u003ch4\u003eSpecifications:\u003c\/h4\u003e\n\u003cp\u003e\u003cb\u003eCompatibility:\u003c\/b\u003e\u003cspan\u003e For Tokyo Marui, G\u0026amp;P, Matrix and other compatible M4 \/ M16 Series Airsoft AEG Rifles\u003c\/span\u003e\u003cbr\u003e\u003cb\u003eMaterial:\u003c\/b\u003e\u003cspan\u003e POM Plastic, Aluminum, Steel\u003c\/span\u003e\u003cbr\u003e\u003cbr\u003e\u003cb\u003eDisclaimer:\u003c\/b\u003e\u003cspan\u003e Please use discretion when installing custom parts as fit and compatibility may vary. Some modification may be required. Professional installation recommended.\u003c\/span\u003e\u003c\/p\u003e","brand":"RETRO ARMS","offers":[{"title":"Default Title","offer_id":49230639366432,"sku":"CFA50528","price":9.5,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0726\/9833\/1424\/files\/retro-49404a.jpg?v=1726583156"},{"product_id":"emg-x-retro-arms-cnc-machined-aluminum-rotary-hop-up-unit-for-m4-m16-series-airsoft-aegs-color-blue","title":"EMG x Retro Arms CNC Machined Aluminum Rotary Hop-Up Unit for M4\/M16 Series Airsoft AEGs (Color: Blue)","description":"\u003ch4\u003eFeatures\u003c\/h4\u003e\n\u003cul class=\"productfeatures\"\u003e\n\u003cli\u003eCNC machined construction\u003c\/li\u003e\n\u003cli\u003eRotary design allows for easy adjustment\u003c\/li\u003e\n\u003cli\u003eConstructed from EN AW 7075 for extended lifespan\u003c\/li\u003e\n\u003cli\u003eAll necessary hardware included\u003c\/li\u003e\n\u003cli\u003eBucking not included\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cb\u003eManufacturer:\u003c\/b\u003e\u003cspan\u003e \u003c\/span\u003eRetro Arms\u003c\/p\u003e\n\u003ch4\u003eSpecifications:\u003c\/h4\u003e\n\u003cp\u003e\u003cb\u003eCompatibility:\u003c\/b\u003e\u003cspan\u003e Most M4 series Airsoft AEGs\u003c\/span\u003e\u003cbr\u003e\u003cb\u003eMaterial:\u003c\/b\u003e\u003cspan\u003e Aluminum alloy\u003c\/span\u003e\u003cbr\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003ch4\u003eAbout EMG\u003c\/h4\u003e\n\u003cp\u003eThe EMG vision is to manufacture products the world has never seen before; products we would put our name on, and products that hit the spot! \"EMG\" (Evike Manufacturing Group) was spawned from the realization that if you want something done exactly the way you want it, you need to do it yourself, and we did just that.\u003cbr\u003eWe took our 16 years of knowledge as the market's lead retailer, our network of 300+ superior manufacturers, to work with inspiring top innovators in the firearms industry. That combined with the vision to invest into the Airsoft industry, an industry we believe in, EMG was born.\u003c\/p\u003e","brand":"EMG","offers":[{"title":"Default Title","offer_id":50023499464992,"sku":"CFA51033","price":40.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0726\/9833\/1424\/files\/retroarms-22657.jpg?v=1742931813"},{"product_id":"retro-arms-anti-reversal-latch-spring","title":"Retro Arms Anti-Reversal Latch Spring","description":"\u003ch4\u003eFeatures:\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eSpring steel construction\u003c\/li\u003e\n\u003cli\u003eMade to factory specifications\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cb\u003eCompatibility:\u003c\/b\u003e\u003cspan\u003e Most anti-reversal latches\u003c\/span\u003e\u003cbr\u003e\u003cb\u003eMaterial:\u003c\/b\u003e\u003cspan\u003e Spring steel\u003c\/span\u003e\u003cbr\u003e\u003cbr\u003e\u003cb\u003eManufacturer:\u003c\/b\u003e\u003cspan\u003e Retro Arms\u003c\/span\u003e\u003c\/p\u003e","brand":"RETRO ARMS","offers":[{"title":"Default Title","offer_id":50169574850848,"sku":"CFA50535","price":3.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0726\/9833\/1424\/files\/694f3f9b9f8be8fecd287cd8a4ae45dac39e291b.webp?v=1746966902"},{"product_id":"retro-arms-cnc-machined-aluminum-rotary-hop-up-unit-for-m4-series-aegs","title":"Retro Arms CNC Machined Aluminum Rotary Hop-Up Unit for M4 Series AEGs","description":"\u003ch4\u003eFeatures\u003c\/h4\u003e\n\u003cul class=\"productfeatures\"\u003e\n\u003cli\u003eCNC machined construction\u003c\/li\u003e\n\u003cli\u003eRotary design allows for easy adjustment\u003c\/li\u003e\n\u003cli\u003eConstructed from EN AW 7075 for extended lifespan\u003c\/li\u003e\n\u003cli\u003eAll necessary hardware included\u003c\/li\u003e\n\u003cli\u003eBucking not included\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cb\u003eManufacturer:\u003c\/b\u003e\u003cspan\u003e Retro Arms\u003c\/span\u003e\u003c\/p\u003e\n\u003ch4\u003eSpecifications\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eCompatibility: Most M4 series Airsoft AEGs\u003c\/li\u003e\n\u003cli\u003eMaterial: Aluminum alloy\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"RETRO ARMS","offers":[{"title":"Default Title","offer_id":50169582125344,"sku":"CFA50695","price":39.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0726\/9833\/1424\/files\/25-13609_1400x_df187e76-342e-4760-bed5-33aba5e26f05.webp?v=1746974135"},{"product_id":"retro-arms-cz-billet-cnc-8mm-ver-2-gearbox-shell-for-m4-series-airsoft-aeg-rifles-model-standard-gearbox-shell-only","title":"Retro Arms CZ Billet CNC 8mm Ver.2 Gearbox Shell for M4 Series Airsoft AEG Rifles (Standard Gearbox \/ Shell Only)","description":"\u003ch4\u003eFeatures\u003c\/h4\u003e\n\u003cul class=\"productfeatures\"\u003e\n\u003cli\u003ePrecision machined from a block of billet EN AW 7075 T651 aluminum\u003c\/li\u003e\n\u003cli\u003eQuick change spring guide system\u003c\/li\u003e\n\u003cli\u003eDurable anodized finish\u003c\/li\u003e\n\u003cli\u003eReinforcement in key stress points to counter rapid wear from high performance parts\u003c\/li\u003e\n\u003cli\u003ePre-radiused cylinder windows - helps evenly distribute impact force\u003c\/li\u003e\n\u003cli\u003eDeeper wire channels along base of gearbox\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan\u003eUnlike most other gearbox shells on the market, the Retro Arms CZ gearbox shells are precision CNC machined out of a solid block of billet EN AW 7075 T651 aluminum giving them unmatched durability and resilience. Combined with reinforcement of key stress points and stainless steel connecting bolts, the gearbox shell has undergone extensive stress tests with M160 springs without any signs of wear.\u003c\/span\u003e\u003cbr\u003e\u003cbr\u003e\u003cspan\u003eVersion 2 Retro Arms gearboxes feature a quick-change ball-bearing spring guide mechanism, allowing spring swaps in a matter of minutes without complete gearbox disassembly.\u003c\/span\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eManufacturer:\u003c\/b\u003e\u003cspan\u003e \u003c\/span\u003eRetro Arms CZ\u003c\/p\u003e\n\u003ch4\u003eSpecifications:\u003c\/h4\u003e\n\u003cp\u003e\u003cb\u003eCompatibility:\u003c\/b\u003e\u003cspan\u003e For Tokyo Marui, G\u0026amp;P, Matrix and other compatible M4 \/ M16 Series Airsoft AEG Rifles (Modification may be required depending on brand and model)\u003c\/span\u003e\u003cbr\u003e\u003cb\u003eMaterial:\u003c\/b\u003e\u003cspan\u003e CNC Billet EN AW 7075 T651 Aluminum\u003c\/span\u003e\u003cbr\u003e\u003cbr\u003e\u003cb\u003eDisclaimer:\u003c\/b\u003e\u003cspan\u003e Please use discretion when installing custom parts as fit and compatibility may vary. Some modification may be required. Professional installation recommended.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color: rgb(255, 42, 0);\"\u003e\u003cem\u003e\u003cstrong\u003eColor may vary!\u003c\/strong\u003e\u003c\/em\u003e\u003c\/span\u003e\u003c\/p\u003e","brand":"RETRO ARMS","offers":[{"title":"Default Title","offer_id":50169594544416,"sku":"CFA50984","price":120.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0726\/9833\/1424\/files\/retroarms-49403a.jpg?v=1746969643"},{"product_id":"retro-arms-cz-billet-cnc-8mm-ver-2-gearbox-shell-for-vfc-quick-change-spring-series-airsoft-aeg-rifles","title":"Retro Arms CZ Billet CNC 8mm Ver.2 Gearbox Shell for VFC Quick Change Spring Series Airsoft AEG Rifles","description":"\u003ch4\u003eFeatures\u003c\/h4\u003e\n\u003cul class=\"productfeatures\"\u003e\n\u003cli\u003ePrecision machined from a block of billet EN AW 7075 T651 aluminum\u003c\/li\u003e\n\u003cli\u003eQuick change spring guide system\u003c\/li\u003e\n\u003cli\u003eReinforcement in key stress points to counter rapid wear from high performance parts\u003c\/li\u003e\n\u003cli\u003ePre-radiused cylinder windows - helps evenly distribute impact force\u003c\/li\u003e\n\u003cli\u003eDeeper wire channels along base of gearbox\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan\u003eUnlike most other gearbox shells on the market, the Retro Arms CZ gearbox shells are precision CNC machined out of a solid block of billet EN AW 7075 T651 aluminum giving them unmatched durability and resilience. Combined with reinforcement of key stress points and stainless steel connecting bolts, the gearbox shell has undergone extensive stress tests with M160 springs without any signs of wear.\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eVersion 2 Retro Arms gearboxes feature a quick-change ball-bearing spring guide mechanism, allowing spring swaps in a matter of minutes without complete gearbox disassembly.\u003c\/span\u003e\u003cbr\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eManufacturer:\u003c\/b\u003e\u003cspan\u003e \u003c\/span\u003eRetro Arms CZ\u003c\/p\u003e\n\u003ch4\u003eSpecifications:\u003c\/h4\u003e\n\u003cp\u003e\u003cb\u003eCompatibility:\u003c\/b\u003e\u003cspan\u003e For VFC Quick Change Spring M4 \/ M16 Airsoft AEG Rifles\u003c\/span\u003e\u003cbr\u003e\u003cb\u003eMaterial:\u003c\/b\u003e\u003cspan\u003e CNC Billet EN AW 7075 T651 Aluminum\u003c\/span\u003e\u003cbr\u003e\u003cbr\u003e\u003cb\u003eDisclaimer:\u003c\/b\u003e\u003cspan\u003e Please use discretion when installing custom parts as fit and compatibility may vary. Some modification may be required. Professional installation recommended.\u003c\/span\u003e\u003c\/p\u003e","brand":"RETRO ARMS","offers":[{"title":"Default Title","offer_id":50169599000864,"sku":"CFA50981","price":140.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0726\/9833\/1424\/files\/ra-20829-2.jpg?v=1746973542"},{"product_id":"retro-arms-cz-billet-cnc-9mm-qsc-ver-2-gearbox-shell-for-m4-m16-series-airsoft-aeg-rifles","title":"Retro Arms CZ Billet CNC 9mm QSC Ver.2 Gearbox Shell for M4 \/ M16 Series Airsoft AEG Rifles","description":"\u003ch4\u003eFeatures\u003c\/h4\u003e\n\u003cul class=\"productfeatures\"\u003e\n\u003cli\u003ePrecision machined from a block of billet EN AW 7075 T651 aluminum\u003c\/li\u003e\n\u003cli\u003eReduction of wall thickness for greater compatibility with most M4 \/ M16 receivers\u003c\/li\u003e\n\u003cli\u003eMilled ports for improved air flow\u003c\/li\u003e\n\u003cli\u003eQuick change spring guide system\u003c\/li\u003e\n\u003cli\u003eConveniently placed porting to easily lubricate gears without gearbox disassembly\u003c\/li\u003e\n\u003cli\u003eOpening for releasing anti-reversal latch\u003c\/li\u003e\n\u003cli\u003eReinforcement in key stress points to counter rapid wear from high performance parts\u003c\/li\u003e\n\u003cli\u003ePrecision CNC machined spring guide included\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan\u003eUnlike most other gearbox shells on the market, the Retro Arms CZ gearbox shells are precision CNC machined out of a solid block of billet AW EN7075 T651 aluminum giving them unmatched durability and resilience. Combined with reinforcement of key stress points and stainless steel connecting bolts, the gearbox shell has undergone extensive stress tests with M160 springs without any signs of wear.\u003c\/span\u003e\u003cbr\u003e\u003cbr\u003e\u003cspan\u003eVersion 2 Retro Arms gearboxes feature a quick-change ball-bearing spring guide mechanism, allowing spring swaps in a matter of minutes without complete gearbox disassembly.\u003c\/span\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eManufacturer:\u003c\/b\u003e\u003cspan\u003e \u003c\/span\u003eRetro Arms CZ\u003c\/p\u003e\n\u003ch4\u003eSpecifications:\u003c\/h4\u003e\n\u003cp\u003e\u003cb\u003eCompatibility:\u003c\/b\u003e\u003cspan\u003e For Tokyo Marui, G\u0026amp;P, Matrix and other compatible M4 \/ M16 Series Airsoft AEG Rifles (Modification may be required depending on brand and model)\u003c\/span\u003e\u003cbr\u003e\u003cb\u003eMaterial:\u003c\/b\u003e\u003cspan\u003e CNC Billet EN AW 7075 T651 Aluminum\u003c\/span\u003e\u003cbr\u003e\u003cb\u003eColor:\u003c\/b\u003e\u003cspan\u003e May vary between silver and black\u003c\/span\u003e\u003c\/p\u003e","brand":"RETRO ARMS","offers":[{"title":"Default Title","offer_id":50169646121248,"sku":"CFA50986","price":115.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0726\/9833\/1424\/files\/ra-53853a.jpg?v=1746973505"},{"product_id":"retro-arms-cz-cnc-low-profile-gearbox-bushings","title":"Retro Arms CZ CNC Low Profile Gearbox Bushings","description":"\u003ch4\u003eFeatures\u003c\/h4\u003e\n\u003cul class=\"productfeatures\"\u003e\n\u003cli\u003eCNC steel construction\u003c\/li\u003e\n\u003cli\u003eExceptional stability and durability\u003c\/li\u003e\n\u003cli\u003eImproves performance and reliability of your gearbox\u003c\/li\u003e\n\u003cli\u003eDesigned to reduce friction\u003c\/li\u003e\n\u003cli\u003e2mm height\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan\u003eCNC Bushings with diameter of 8mm (8,02mm) or 9mm (9,02mm) manufactured with precise CNC turning from high grade steel 90MnCrV8, reinforced by high heat on hardness of 58 60 HRC and layered for tension removing. High grade steel with excellent hardness makes these bushing for perfect use, on the strongest springs with a long lifetime. The gear axis needs to be lubed with Vaseline to prevent from friction or any jamming on the gears.\u003c\/span\u003e\u003cbr\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eManufacturer:\u003c\/b\u003e\u003cspan\u003e \u003c\/span\u003eRetro Arms CZ\u003c\/p\u003e\n\u003ch4\u003eSpecifications:\u003c\/h4\u003e\n\u003cp\u003e\u003cb\u003eHeight:\u003c\/b\u003e\u003cspan\u003e 2mm\u003c\/span\u003e\u003cbr\u003e\u003cb\u003eCompatibility:\u003c\/b\u003e\u003cspan\u003e All 8mm gearboxes\u003c\/span\u003e\u003cbr\u003e\u003cb\u003eMaterial:\u003c\/b\u003e\u003cspan\u003e CNC Steel\u003c\/span\u003e\u003c\/p\u003e","brand":"RETRO ARMS","offers":[{"title":"Size: 8mm","offer_id":50169664307488,"sku":null,"price":14.0,"currency_code":"USD","in_stock":false},{"title":"Size: 9mm","offer_id":50968601395488,"sku":"CFA50628","price":14.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0726\/9833\/1424\/files\/retro-90792-sm.jpg?v=1746974590"},{"product_id":"retro-arms-polymer-c-clip-for-m4-series-aegs-hop-up-chamber","title":"Retro Arms Polymer C-Clip for M4 Series AEGs Hop-up Chamber","description":"\u003ch4\u003eFeatures\u003c\/h4\u003e\n\u003cul class=\"productfeatures\"\u003e\n\u003cli\u003eInjection molded polymer construction\u003c\/li\u003e\n\u003cli\u003eFits most M4 series Airsoft AEG hop-up units\u003c\/li\u003e\n\u003cli\u003eDrop in replacement\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cb\u003eManufacturer:\u003c\/b\u003e\u003cspan\u003e \u003c\/span\u003eRetro Arms\u003c\/p\u003e\n\u003ch4\u003eSpecifications:\u003c\/h4\u003e\n\u003cp\u003e\u003cb\u003eCompatibility:\u003c\/b\u003e\u003cspan\u003e Most M4 hop-up units\u003c\/span\u003e\u003cbr\u003e\u003cb\u003eMaterial:\u003c\/b\u003e\u003cspan\u003e Polymer\u003c\/span\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color: rgb(255, 42, 0);\"\u003e\u003cem\u003e\u003cstrong\u003e! May come in white or red, depending on batch\u003c\/strong\u003e\u003c\/em\u003e\u003c\/span\u003e\u003c\/p\u003e","brand":"RETRO ARMS","offers":[{"title":"Default Title","offer_id":50169668469024,"sku":"CFA50950","price":3.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0726\/9833\/1424\/files\/retroarms-58997.jpg?v=1746975022"},{"product_id":"retro-arms-cnc-stainless-steel-cylinder","title":"Retro Arms CNC Stainless Steel Cylinder","description":"\u003ch4\u003eFeatures\u003c\/h4\u003e\n\u003cul class=\"productfeatures\"\u003e\n\u003cli\u003eStainless steel construction\u003c\/li\u003e\n\u003cli\u003eHigh polish construction\u003c\/li\u003e\n\u003cli\u003eCompatible with most common AEG gearboxes\u003cbr\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cb\u003eManufacturer:\u003c\/b\u003e\u003cspan\u003e \u003c\/span\u003eRetro Arms\u003c\/p\u003e\n\u003ch3 class=\"header\"\u003eSpecifications\u003c\/h3\u003e\n\u003cp class=\"header\"\u003e\u003cb\u003eCompatibility:\u003c\/b\u003e\u003cspan\u003e Most common Airsoft AEGs\u003c\/span\u003e\u003cbr\u003e\u003cb\u003eMaterial:\u003c\/b\u003e\u003cspan\u003e Stainless Steel\u003c\/span\u003e\u003c\/p\u003e","brand":"RETRO ARMS","offers":[{"title":"Type A: Lengths between 130mm - 239mm","offer_id":52092295872800,"sku":null,"price":22.0,"currency_code":"USD","in_stock":false},{"title":"Type B:  Lengths between 240mm - 289mm","offer_id":52092295905568,"sku":null,"price":17.0,"currency_code":"USD","in_stock":false},{"title":"Type C: Lengths between 290mm - 369mm","offer_id":52092295938336,"sku":null,"price":17.0,"currency_code":"USD","in_stock":false},{"title":"Type D: Lengths between 370mm - 650mm","offer_id":52092295971104,"sku":"CFA31709","price":19.0,"currency_code":"USD","in_stock":true},{"title":"Type E: Lengths between  470mm - 650mm","offer_id":52092296003872,"sku":null,"price":17.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0726\/9833\/1424\/files\/retro-93243a.jpg?v=1785688304"}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0726\/9833\/1424\/collections\/retroarms-logo.jpg?v=1725635846","url":"https:\/\/contactfrontairsoft.com\/collections\/retro-arms.oembed?page=2","provider":"Contact Front Airsoft \u0026 Paintball","version":"1.0","type":"link"}