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.
889–922 of 1785 products
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Surefire Light M-LOK Raised Straight Mount — Black
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Rail Panel Kit for Keymod — Black
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Rail Panel Kit for Keymod — Dark Earth
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MLC-S1 Tactical Stock for VSR-10 — OD Green
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MLC-S1 Tactical Stock for VSR-10 — Dark Earth
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MLC-S1 Tactical Stock for VSR-10 — Black
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ML Button Lite SF ML — Dark Earth
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ML Button Lite SF ML — Black
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AirTag Holder for Picatinny — Black
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LCK Forward Optical Rail System - Short — BlackIn stock at our supplier, delivery in 5–10 working days
M-LOK Bipod Adapter — Black
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T10 Grip Kit Type B — Grey
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T10 Grip Kit Type B — Ranger Green
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T10 Cheek Pad — Grey
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T10 Cheek Pad — Black
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T10 Cheek Pad — Ranger Green
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NGAL Illuminator / Green Laser Module — Black
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Daniel Defense 12 Inch Lite Rail — Black
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Above the Rail Mount — Black
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BEU Battery Extension Unit Krytac Trident PDW-M — Black
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LA-5 UHP Illuminator / Green Laser Module — Dark Earth
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Troy 7 Inch TRX BattleRail — Black
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Daniel Defense 12 Inch FSP OmegaX Rail — Black
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GC16 SR Handstop Panel Kit — Black
Out of stock, also at our supplier
201mm M-LOK Handguard Set — Dark Earth
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DBAL-A2 Illuminator / Laser Module Red + Green Aluminium — Black
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P4 Combined Device Gen. 3.0 Red + IR Laser — Black
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Tactical Index Clips — Black
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Above the Rail Mount — OD Green
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Above the Rail Mount — Tan
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MK15 Handguard For HK416 — Dark Earth
Out of stock, also at our supplier
MK15 Handguard For HK416 — BlackOut of stock, also at our supplier
Stock Tube 1913 Adapter — Black
Out of stock, also at our supplier
VSR-10 Real Mount Base — BlackA 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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