KRYTAC
In stock at our supplier, delivery in 5–10 working days
In stock at our supplier, delivery in 5–10 working days
Trident Bolt Stop Assembly
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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.
97–120 of 1777 products
KRYTAC
In stock at our supplier, delivery in 5–10 working days
In stock at our supplier, delivery in 5–10 working days
Trident Mk2 Upper Receiver Assembly
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Silverback
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In stock at our supplier, delivery in 5–10 working days
Light Bolt Knob
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Pirate Arms
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In stock at our supplier, delivery in 5–10 working days
MP5 Charging Handle
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Strike Industries
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In stock at our supplier, delivery in 5–10 working days
AR Stock Stop
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Skilhunt
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In stock at our supplier, delivery in 5–10 working days
Defier X1 / X2 Blue Filter
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Maple Leaf
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In stock at our supplier, delivery in 5–10 working days
The Backup Mag Carrier for MLC-S1 Custom Stock
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KRYTAC
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In stock at our supplier, delivery in 5–10 working days
Kriss Vector Safety/Selector Lever Set
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LCT
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In stock at our supplier, delivery in 5–10 working days
Rail for Zsport Handguards Long
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CLAWGEAR
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In stock at our supplier, delivery in 5–10 working days
Rubber Bands Micro 12pcs
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Action Army
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In stock at our supplier, delivery in 5–10 working days
L96 Twisted Outer Barrel Short + Mag Catch
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KRYTAC
In stock at our supplier, delivery in 5–10 working days
In stock at our supplier, delivery in 5–10 working days
Trident Mk2 Upper Receiver Assembly FG
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Laylax
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In stock at our supplier, delivery in 5–10 working days
Standard M4 Offset Stock Base
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Maple Leaf
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In stock at our supplier, delivery in 5–10 working days
VSR-10 Enlarged Magazine Catch Set
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Pirate Arms
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In stock at our supplier, delivery in 5–10 working days
MP5 M-LOK / RIS Top Rail Mount
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Midwest Industries
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In stock at our supplier, delivery in 5–10 working days
AK Alpha Series M-LOK 6" Handguard
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KRYTAC
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In stock at our supplier, delivery in 5–10 working days
Kriss Vector Grip Battery Cover
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KRYTAC
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In stock at our supplier, delivery in 5–10 working days
Kriss Vector Security Pin Assembly
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Action Army
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In stock at our supplier, delivery in 5–10 working days
VSR-10 Steel Bolt Handle Type A
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MadBull
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In stock at our supplier, delivery in 5–10 working days
Charging Handle Spring
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Firefield
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In stock at our supplier, delivery in 5–10 working days
Scarab M-LOK 9.0-12.0 Inch Bipod
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Umbrella Armory
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In stock at our supplier, delivery in 5–10 working days
XFORCE Modular Handguard 9"
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RetroArms
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In stock at our supplier, delivery in 5–10 working days
CNC Receiver AR-15 Skeletonized - C
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Action Army
In stock at our supplier, delivery in 5–10 working days
In stock at our supplier, delivery in 5–10 working days
L96 Twisted Outer Barrel Long + Mag Catch
Price to follow
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.