Toolcraft AR10 / 308 Bolt Kit

Toolcraft AR10 / 308 Bolt Kit

The Toolcraft AR10 / 308 Bolt Kit is a complete bolt assembly solution for AR-10 rifle owners seeking either a replacement or an upgrade. Compatible with the entire 308 Winchester cartridge family, this bolt kit is suitable for use with a wide range of chamberings, including .243 Winchester, 7mm-08 Remington, .260 Remington, and 6.5 Creedmoor. Manufactured in the U.S.A. by Toolcraft and backed by a lifetime warranty, this bolt kit is built to meet the demands of both professional and recreational shooters.

Engineered for durability and performance, each kit includes an assembled bolt, cam pin, firing pin, and retainer pin. Toolcraft offers this kit in several finishes, including Black Nitride, Diamond-Like Carbon (DLC), and Nickel Boron, each providing enhanced corrosion resistance and smooth operation. These material treatments are designed to reduce friction and extend service life, even under high-volume firing conditions.

Buyers can choose between single or double ejector configurations. The double ejector version features a reduced diameter firing pin and firing pin channel, which is particularly beneficial for calibers like .260 Remington and 6.5 Creedmoor. This design improves extraction and ejection performance, contributing to smoother cycling and enhanced reliability across a variety of AR-10 caliber builds.

All critical components are precision-machined to ensure consistent headspacing and optimal fit with existing bolt carrier groups. The extractor is crafted from 4140 steel and includes three Mil-Spec O-rings for improved tension and retention. The firing pin is made from 416 stainless steel for added strength and corrosion resistance, while the cam pin is machined from 8620 steel, known for its durability under high-stress conditions.

This Toolcraft AR10 / 308 Bolt Kit is ideal for rifle builders, competitive shooters, and anyone seeking to maintain or enhance their AR-10 platform. Its design supports both standard and specialized calibers, making it a versatile upgrade option. Whether you’re assembling a new upper or refreshing a well-used BCG, this bolt kit delivers dependable performance with the backing of Toolcraft’s trusted reputation.