AR Bolt Carrier Groups
AR Bolt Carrier Groups are critical components that cycle your rifle and ensure reliable feeding and extraction. This category features mil-spec and enhanced AR Bolt Carrier Groups in various finishes, including nitride, PVD, and chrome plating, compatible with popular calibers like 5.56 NATO and 6mm ARC. Whether you’re building or upgrading, Arms East supplies quality bolt carrier groups to shooters across Canada and USA with convenient flat rate shipping to the USA and reliable service to Canadian customers.
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5.56X45 NATO LIGHTWEIGHT MIL-SPEC BCG NITRIDE CHAMELEON PVD
$276.00Low Stock - AR Bolt Carrier Groups Add to cart
Faxon Firearms Gunner 5.56X45MM lightweight mil-spec BCG reduces moving mass with a durable Nitride Tin PVD finish for extended service life across AR-15 platforms.
$276.00Low Stock - AR Bolt Carrier Groups Add to cart
Faxon’s salt bath nitride-finished 7.62×39 Type 1 BCG delivers MIL-SPEC performance with superior corrosion resistance and smoother cycling for AR-15 rifles. The .125 bolt face is machined from 9310 tool steel, fully MPI tested, and shot peened to withstand high-pressure loads and fast action speeds.
$152.00In Stock 
Alex Pro Firearms AR-10 Bolt Carrier Group 308 Winchester Black Nitride Accessory
Alex Pro FirearmsAdd to cartAR Bolt Carrier Groups Add to cartAlex Pro Firearms AR-10 Bolt Carrier Group RPUP800 delivers American-made precision with nitride-coated AISI 8260 steel carrier and CRS 9310 steel bolt for superior corrosion resistance and drop-in DPMS-compatible .308 installation.
$188.00Low Stock- AR Bolt Carrier Groups Add to cart
CMC Triggers Enhanced BCG for 6mm ARC delivers suppressor-optimized performance in a precision-engineered bolt carrier group built to exacting standards.
$179.10Low Stock - AR Bolt Carrier Groups Add to cart
CMMG’s patented Radial Delayed Blowback system reduces felt recoil while maintaining full compatibility with standard AR-15 uppers and lowers. This 5-inch 5.7x28mm barrel and BCG kit delivers less recoil than conventional blowback designs.
$427.00Low Stock - AR Bolt Carrier Groups Add to cart
CMMG 5.7x28mm 8-inch barrel and bolt kit delivers compact firepower for AR-15 platforms with 4140 chrome moly steel construction and salt bath nitride finish. Includes radial delayed blowback bolt and 1/2″x28″ threading for quick integration.
$433.00Low Stock - AR Bolt Carrier Groups Add to cart
CMMG AR-15 bolt carrier group engineered to function with either 6.5 Grendel or Hornady’s 6mm ARC cartridge. Compatible with standard AR variants.
$195.00In Stock - AR Bolt Carrier Groups Add to cart
CMMG Bravo converts your 5.56/.223 AR platform rifle to economical 22 LR with a simple bolt carrier group swap, includes three 10-round magazines.
$210.00In Stock - AR Bolt Carrier Groups Add to cart
Convert your 5.56/.223 AR platform rifle to affordable 22 LR shooting with the CMMG Bravo drop-in kit, complete with three 25-round magazines.
$205.00In Stock - AR Bolt Carrier Groups Add to cart
Transform your 5.56/.223 rifle into a .22 LR shooter with the CMMG Bravo 22 LR Stainless Bolt Carrier Group—a drop-in conversion kit with 25-round magazine included.
Original price was: $175.00.$160.00Current price is: $160.00. SALELow Stock - AR Bolt Carrier Groups Add to cart
Fail Zero 450 Bushmaster Nickel Boron Bolt Carrier Group features EXO Nickel Boron coating for permanent dry lubricity and extreme durability, arriving fully assembled for immediate installation into mil spec .450 Bushmaster Upper Receivers.
$172.00In Stock - AR Bolt Carrier Groups Add to cart
Fail Zero AR-15 5.56 NATO Bolt Carrier Group features proprietary EXO Nickel Boron treatment for enhanced durability and reliability. The drop-in design fits most MIL-SPEC AR15 uppers for straightforward installation.
$157.00In Stock - AR Bolt Carrier Groups Add to cart
Fail Zero Bolt Carrier Group for 7.62x39mm AR-15 platforms features EXO nickel boron treatment for enhanced durability and drop-in MIL-SPEC compatibility. Complete with bolt, extractor, M16 cut carrier, cam pin, and carrier key.
$172.00In Stock - AR Bolt Carrier Groups Add to cart
Faxon 5.56 NATO M16 Nitride Black Bolt Carrier Group features a corrosion-resistant nitride finish engineered for reliable performance in harsh environments. Built for consistent AR-15 platform operation with durable, quality materials.
$134.00Low Stock - AR Bolt Carrier Groups Add to cart
Faxon 6.5 Grendel Type 2 BCG exceeds MIL-SPEC with 9310 tool steel construction and full MPI testing for superior durability and reliability. Nitrided finish delivers greater hardness and corrosion resistance than standard chrome and phosphate alternatives.
$154.00In Stock - AR Bolt Carrier Groups Add to cart
Faxon Gen 2 9mm PCC Full-Mass Bolt Carrier Group delivers dual COLT/GLOCK compatible geometry with user-removable weight and full-auto compatibility. Refined Gen 2 features include an upgraded pivoted extractor, stronger firing pin, and ramped bottom design that works with any common trigger.
$152.00In Stock - AR Bolt Carrier Groups Add to cart
Faxon Gunner 5.56 NATO Nitride Lightweight Bolt Carrier Group delivers competition-ready performance at just 8.5 ounces, reducing reciprocating mass for faster cycling and follow-up shots without sacrificing strength or reliability. Built from 9310 steel with salt bath nitriding and Superfinished for smooth operation, it’s full-auto rated and compatible with all mil-spec AR-15 rifles.
$230.00In Stock
