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.
1537–1561 of 1785 products
In stock at our supplier, delivery in 5–10 working days
Compact Carbine Stock — BlackIn stock at our supplier, delivery in 5–10 working days
Alpha Series 1913 Fixed Beam Stock — Black
In stock at our supplier, delivery in 5–10 working days
M249 Metal Feed Cover with Rail — Black
In stock at our supplier, delivery in 5–10 working days
TLR-7X Sub for GLOCK G43/G48 — Black
In stock at our supplier, delivery in 5–10 working days
Goliath Picatinny 6-8 Inch Bipod — Black
In stock at our supplier, delivery in 5–10 working days
B-30 Long AK Handguard — Black
In stock at our supplier, delivery in 5–10 working days
TLR-8 sub for GLOCK G43X MOS/G48 MOS/G43X Rail/G48 Rail — Black
In stock at our supplier, delivery in 5–10 working days
7″ MK8 Handguard — Black
In stock at our supplier, delivery in 5–10 working days
7″ MK8 Handguard — Dark Earth
Out of stock, also at our supplier
S1 Striker Fluted Outer Barrel Long — Black
Out of stock, also at our supplier
Carbon Fiber 9-13.5 Inch Swivel Spring Retractable Bipod — Black
Out of stock, also at our supplier
TLR-7 HL-X Sub for Glock 43X / 48 MOS / 43X Rail / 48 Rail — Black
Out of stock, also at our supplier
Triangle Folding Stock with M1913 Stock Adapter — Black
Out of stock, also at our supplier
MK18 Mod O 30mm Red Dot Sight Straight Mount
Out of stock, also at our supplier
M4 Aluminum Rail System
Out of stock, also at our supplier
Rail Cover, 4pcs
Out of stock, also at our supplier
MP5 Safty Selector Lever Set
Out of stock, also at our supplier
MP5 Retractable Stock
Out of stock, also at our supplier
Large battery RIS foregrip for MP5
Out of stock, also at our supplier
AK47 Selector plate
Out of stock, also at our supplier
RIS Mount Base on M4 / M16 Transport Handle - Black
Out of stock, also at our supplier
Raised RIS Mount 28mm, Metal - Black
Out of stock, also at our supplier
GS Rail Mount Hand Stop w/ QD Swivel ( Black )
Out of stock, also at our supplier
Sling mount for AEG with ring - TAN
Out of stock, also at our supplier
RAS Slim Rail Cover (Black)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.
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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