AIRSOFTPRO
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In stock at our supplier, delivery in 5–10 working days
Charging Lever Spring – M4 / M16
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Externals: Handguards, Stocks & Receivers
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.
217–240 of 1791 products
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G36 Aluminum CNC Rail Set (Short) 2pcs/set
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In stock at our supplier, delivery in 5–10 working days
M4/M16 Trigger Guard
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In stock at our supplier, delivery in 5–10 working days
G36 Aluminum CNC Rail Set (Long) 1pcs/set
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GUARDER
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In stock at our supplier, delivery in 5–10 working days
Steel Receiver Parts for TOP M249
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In stock at our supplier, delivery in 5–10 working days
G36 Standard Lower Receiver
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In stock at our supplier, delivery in 5–10 working days
Upper Receiver Set G36
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In stock at our supplier, delivery in 5–10 working days
M4/M16 Compact Fixed Stock
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In stock at our supplier, delivery in 5–10 working days
G36 Outer Barrel Base
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MP5 Fixed Stock Cover
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In stock at our supplier, delivery in 5–10 working days
7.125" Tactical handguard for M4
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In stock at our supplier, delivery in 5–10 working days
G36K XM8 Aluminum Outer Barrel
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In stock at our supplier, delivery in 5–10 working days
AK Aluminum Outer Barrel (Shorty)
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In stock at our supplier, delivery in 5–10 working days
AK Aluminum Outer Barrel (Standard)
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MP5A/SD Series Butt Cap
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Q.D Pin S (Receiver use)
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Q.D Pin M (Handguard, Fixed stock use)
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Q.D Pin L (Retractable stock ,Folding stock use)
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In stock at our supplier, delivery in 5–10 working days
MP5 Fixed Stock
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Carrying Handle XM-8
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K type butt cap for MP5K/PDW
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AK47 Folding Stock Complete Set
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In stock at our supplier, delivery in 5–10 working days
AK47 Receiver Top Inner Cover Set W/Charging handle
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In stock at our supplier, delivery in 5–10 working days
Retractable Stock Adapter AK
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Handguards, stocks and grips
A 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.
Receivers and outer barrels
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.
Compatibility between brands
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.