Externals change how the gun handles and how it looks. Handguards with M-LOK or KeyMod, stocks and buffer tubes, metal receivers, outer barrels and grips for M4, AK and other platforms.
1681–1704 of 1777 products
Out of stock, also at our supplier
CTM FUKU-2 Extended Mag Release for AAP-01 - Violet
Out of stock, also at our supplier
CTM Long FUKU-2 CNC Upper Set Compensator for AAP-01 - Black
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CTM AAP-01 / C ADVANCED Bolt Lite - Electroplated Chameleon
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CTM AAP-01 / C ADVANCED Bolt Lite - Gold
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CTM AAP-01 / C ADVANCED Bolt Lite - Red
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CTM AAP-01 / C ADVANCED Bolt Lite - Blue
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CTM AAP-01 / C ADVANCED Bolt Lite - Silver
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CTM AAP-01 ADVANCED Bolt Lite - Black
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SA M4 SF (MK18) / Crane Stock Butt Pad
Out of stock, also at our supplier
DB Ergonomic DD AR-15 Stock (HM0374) for M4 / M16 - Tan
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AB-8R RIS (1913) Folding Stock - Black
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SS-8 RIS (1913) Folding Stock - Black
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Polymer RIS rail 11 Slot/129 mm for M-LOK (2 pieces) - Tan
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Polymer RIS rail 7 Slot/90 mm for M-LOK (2 pieces) - Tan
Out of stock, also at our supplier
Polymer RIS rail 3 Slot/50 mm for M-LOK (2 pieces) - Tan
Out of stock, also at our supplier
AK Rear Sight Aimpoint T1 Footprint Mount - Black
Out of stock, also at our supplier
CTM AAP-01 Aluminium Guide Rod - Silver
Out of stock, also at our supplier
CTM AAP-01 Aluminium Guide Rod - Violet
Out of stock, also at our supplier
CTM AAP-01 Aluminium Guide Rod - Black
Out of stock, also at our supplier
CTM FUKU-2 Reaper Charging Handle for AAP-01 - Electroplated Chameleon
Out of stock, also at our supplier
CTM FUKU-2 Reaper Charging Handle for AAP-01 - Violet
Out of stock, also at our supplier
CTM FUKU-2 Reaper Charging Handle for AAP-01 - Red
Out of stock, also at our supplier
CTM FUKU-2 Reaper Charging Handle for AAP-01 - Black
Out of stock, also at our supplier
CTM AAP-01 CNC Magwell - VioletA new handguard is the most visible external upgrade: a slim M-LOK or KeyMod rail saves weight over a quad Picatinny RIS and gives you mounting slots exactly where you want a light or a grip. Stocks change length of pull and battery space; a crane stock holds a nunchuck battery, a PDW stock makes a carbine compact. Pistol grips with a different angle and a motor plate that lets you adjust motor height improve comfort and trigger response at the same time.
A metal receiver set replaces a polymer body for stiffness and a solid feel, and licensed versions carry real trademarks. Outer barrels in different lengths let you build a long rifle or a short CQB gun on the same lower, with a 14 mm CCW thread for a suppressor; the thread filter lists CW and CCW options. Flash hiders, gas blocks and barrel nuts complete the front end.
Most M4 AEG externals follow the Tokyo Marui standard and fit between brands, but receiver pins, buffer tube threads and handguard nuts vary enough to check the product notes. AK, G36, MP5 and SCAR parts are more brand-specific, and GBB rifles use their own dimensions. Use the platform and rail system filters, and remember that externals are unrestricted parts with no age limit even though the complete guns are not.
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