ASG
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In stock at our supplier, delivery in 5–10 working days
Low-Profile RIS Mount for MP5 / G3 Series - Black
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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.
193–216 of 1777 products
CYMA
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In stock at our supplier, delivery in 5–10 working days
C29 Mounting rail adapter and silencer for AEP CM030 R18C
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SRC
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In stock at our supplier, delivery in 5–10 working days
G36E Handguard
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SRC
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In stock at our supplier, delivery in 5–10 working days
G36E Aluminum Out Barrel
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SRC
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In stock at our supplier, delivery in 5–10 working days
M4/M16 Steel Charging Handle
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SRC
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In stock at our supplier, delivery in 5–10 working days
AK-47 Wood Stock Set
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SRC
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In stock at our supplier, delivery in 5–10 working days
G36KV Retractable Folding Stock (Fit For Large Battery )
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SRC
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In stock at our supplier, delivery in 5–10 working days
G36 Ksk Aluminum Tactical Handguard
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King Arms
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In stock at our supplier, delivery in 5–10 working days
Trigger Guard for M4 series
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SRC
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In stock at our supplier, delivery in 5–10 working days
G36 Metal Cocking Lever
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SRC
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In stock at our supplier, delivery in 5–10 working days
M4/M16 Bolt Catch
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SRC
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In stock at our supplier, delivery in 5–10 working days
Gear Box Pin for M4/M16 - 2PCs
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SRC
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In stock at our supplier, delivery in 5–10 working days
M4/M16 Selector Switch
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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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SRC
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In stock at our supplier, delivery in 5–10 working days
G36 Aluminum CNC Rail Set (Short) 2pcs/set
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SRC
In stock at our supplier, delivery in 5–10 working days
In stock at our supplier, delivery in 5–10 working days
M4/M16 Trigger Guard
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SRC
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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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SRC
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In stock at our supplier, delivery in 5–10 working days
G36 Standard Lower Receiver
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SRC
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In stock at our supplier, delivery in 5–10 working days
Upper Receiver Set G36
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SRC
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In stock at our supplier, delivery in 5–10 working days
M4/M16 Compact Fixed Stock
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SRC
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In stock at our supplier, delivery in 5–10 working days
G36 Outer Barrel Base
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SRC
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In stock at our supplier, delivery in 5–10 working days
MP5 Fixed Stock Cover
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SRC
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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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SRC
In stock at our supplier, delivery in 5–10 working days
In stock at our supplier, delivery in 5–10 working days
G36K XM8 Aluminum Outer Barrel
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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.