LOSOK CUSTOM ARMS .308 BOLT CARRIER GROUP WITH UPGRADED NICKEL BORON BOLT

Losok Custom Arms .308 Bolt Carrier Group with Upgraded Nickel Boron Bolt

Maximize the reliability and performance of your large-frame AR build with the Losok Custom Arms .308 Bolt Carrier Group. Engineered specifically for AR-10 and LR-308 platform rifles, this premium BCG combines high-durability materials with enhanced coatings for smooth cycling and effortless cleaning.

At its core is a precision-machined Carpenter 158 steel bolt featuring an ultra-slick nickel boron finish that reduces friction and resists carbon buildup. Paired with a robust 8620 steel carrier finished in classic black phosphate, this American-made component delivers unmatched strength and dependable longevity under heavy use.

Key Features:

• Platform Compatibility: Designed specifically for AR-10 and LR-308 rifle builds.
• Upgraded Bolt: 158 Carpenter Steel bolt finished in low-friction Nickel Boron for easy cleaning and enhanced wear resistance.
• Durable Carrier: 8620 Steel carrier treated with a tough black phosphate finish.
• Made in the USA: Precision-manufactured to strict quality standards for ultimate reliability.