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Shop 2 Deals on 5.56x45mm NATO Rifle Barrel Hardware

Browse 5.56x45mm NATO Rifle Barrel Hardware products for sale at the lowest prices online.

Rifle Barrel Hardware

Bolt Carrier Groups

Compensators & Muzzle Brakes

Yankee Hill Machine Co Shim Set 1/2" Inisde Diameter, Fits .556 Caliber - SHIM-3102-SET - Yhm

Yankee Hill Machine Co Shim Set 1/2" Inisde Diameter, Fits .556 Caliber - SHIM-3102-SET

MAP (Minimum Advertised Price) means this product is for sale at a lower price than what the manufacturer allows advertised.

FailZero M16/M4 Bolt Carrier Group, No Hammer, EXO Nickel Boron Coated Black - FZ-M16,4-01-NH-BLACK - Failzero

FailZero M16/M4 Bolt Carrier Group, No Hammer, EXO Nickel Boron Coated Black - FZ-M16,4-01-NH-BLACK

$199.99 $127.99

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