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Shop and save on nickel boron bolt carrier groups for calibers ranging from 308, 556, 223, and 300 AAC. We carry the best brands like Wilson Combat and Aero Precision. Free shipping available!
- palmettostatearmory.com
- › AR-15
- › Parts
- › Upper Receiver Parts
Palmetto State Armory has a large selection of bolt carrier groups for your AR-15 rifle or pistol. We offer BCGs from brands like Palmetto State Armory, PSA Custom , Cryptic Coatings, Toolcraft, and more.
We have the best AR-15 bolt carrier groups in stock from the most trusted brands, including Spike’s Tactical & Ballistic Advantage, along with our own line of RTB-brand BCGs. Shop for mil-spec bolt carrier groups at RightToBear.com and save with free shipping on select items!
FailZero, founded in 2009, is an industry leading company in providing Nickel Boron Bolt Carrier Groups (BCGs). Their parent company, UCT Coatings, provides FailZero with their patented EXO Nickel Boron coating that gives FailZero products superior reliability and durability.
- www.opticsplanet.com
- › Aero Precision
- › Gun Parts
Feb 14, 2020 · This Aero Precision 5.56 Complete BCG is one of the highest-rated and most popular Bolt Carrier Group BCG. That's because changing out the BCG is one of the easiest AR15 modifications you could make, and Aero Precision is synonymous with quality.
RISE Armament's Nickel Boron bolt carrier group (BCG) reduces friction and improves the overall performance of your AR-15.
- www.primaryarms.com
- › AR-15
- › Bolt Carrier Groups
The Aero Precision Nickel Boron Bolt Carrier Group is a substantial upgrade from a standard BGC. Its NiB coating reduces friction on sliding surfaces and prevents carbon build-up making cleaning a much easier task. MIL-SPEC dimensions ensure correct component function and reliability.
- www.brownells.com
- › …
- › Rifle Bolts & Bolt Carrier Groups
The Brownells M16 5.56 Complete Bolt Carrier Group features a bolt fabricated from 9310 steel that includes a heat-treated and shot-peened finish. The bolt carrier itself is built using 8620 steel, which features a hardened finish. The whole BCG is completed with a nickel-boron coating.
Whether you choose the fully or semi-automatic version of the WMD NiB-X Bolt Carrier Group, your WMD BCG will include a heat treated, case hardened 8620 carrier body coated with the same next-generation NiB-X Nickel Boron coating that gives 40% greater wear life than Mil-Spec coatings.
The AR-STONER Nickel Boron Bolt Carrier Group is a great option for your next 223 Remington or 5.56 AR-15 Build. Machined to strict mil-spec tolerances, this BCG is drop-in ready. The Nickel Boron finish provides enhanced reliability and is more resistant to wear. The EXO NiB breakthrough technology creates a permanently lubricious surface ...
