Pirate Arms
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In stock at our supplier, delivery in 5–10 working days
RIS Dust Cover SVD
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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.
49–72 of 1619 products
Silverback
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In stock at our supplier, delivery in 5–10 working days
SRS A1/A2 Replacement O-Ring Set
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Klarus
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In stock at our supplier, delivery in 5–10 working days
TRC1 Pressure Switch XT11GT / XT2CR
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Pirate Arms
In stock at our supplier, delivery in 5–10 working days
In stock at our supplier, delivery in 5–10 working days
X47 RIS Handguard
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Silverback
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In stock at our supplier, delivery in 5–10 working days
SRS 24mm CW Thread Protector
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LCT
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In stock at our supplier, delivery in 5–10 working days
AS VAL ZPT-1/ZPT-3 Stock Adaptor
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Pirate Arms
In stock at our supplier, delivery in 5–10 working days
In stock at our supplier, delivery in 5–10 working days
RIS Dust Cover for AKSU
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Nitecore
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In stock at our supplier, delivery in 5–10 working days
RSW1 Remote Pressure Switch
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LCT
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In stock at our supplier, delivery in 5–10 working days
LCK Dummy Bolt Kit - Long
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KJ Works
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In stock at our supplier, delivery in 5–10 working days
M4 GBR Part No. 54 Bolt Catch
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Princeton Tec
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In stock at our supplier, delivery in 5–10 working days
AMP 1L Blue Cone
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LCT
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In stock at our supplier, delivery in 5–10 working days
Rubber Stock Pad
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Umbrella Armory
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In stock at our supplier, delivery in 5–10 working days
XFORCE Modular Handguard 15"
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KRYTAC
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In stock at our supplier, delivery in 5–10 working days
Charging Handle Assembly
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GUARDER
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In stock at our supplier, delivery in 5–10 working days
M16 Enhanced Steel Retainer Pins
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RetroArms
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In stock at our supplier, delivery in 5–10 working days
CNC Wedge Pins AR15
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LCT
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In stock at our supplier, delivery in 5–10 working days
LCK Folding Stock
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LCT
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In stock at our supplier, delivery in 5–10 working days
Rail for Zsport Handguards Short
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LCT
In stock at our supplier, delivery in 5–10 working days
In stock at our supplier, delivery in 5–10 working days
LCK-19 Folding Stock
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KRYTAC
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In stock at our supplier, delivery in 5–10 working days
Kriss Vector AEG Battery Extended Cap
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Pirate Arms
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In stock at our supplier, delivery in 5–10 working days
AK M-LOK Front Handguard
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Pirate Arms
In stock at our supplier, delivery in 5–10 working days
In stock at our supplier, delivery in 5–10 working days
RPK RIS Gas Tube
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LCT
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In stock at our supplier, delivery in 5–10 working days
ZPT-1 Folding Stock
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Classic Army
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In stock at our supplier, delivery in 5–10 working days
M133 Rotation Frame
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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.