MSR Bolts & Parts

This high quality bolt carrier group is a valuable addition to your AR15 build. Features: M16-cut carrier Machined from 8620 Tool Steel (Carrier) and 9310 Steel (Bolt) Carrier has forward assist serrations Black Nitride Finish - advanced lower friction...

This high quality bolt carrier group is a valuable addition to your AR15 build. Features: M16-cut carrier Machined from 8620 steel Carrier has forward assist serrations Mil-Spec phosphate coating Properly staked gas key Chrome lined gas key and bolt...

For GEN 1 Rifles Only. Black Phosphated Bolt Carrier Assembly for the DPMS .308 and 7.62x51mm Rifles.

Compatible With GLOCK & Colt Style Lower Receivers Dust Cover Compatible Fully Heat Treated MIL-SPEC 8620 Steel Total Weight : 14.9 Ounces QPQ Salt Bath Nitride Finish External Extractor USA Made   DISCLAIMER: This product is not manufactured,...

Precision machined 17-4PH Stainless Steel hardened to H900 condition with a natural heat treated copper color surface finish. Our firing pin has been lightened with a series of chamfer cuts that reduce weight and retain strength. Improved sear geometry...

M10X firing pin assembly for the M10X Series. Durable stainless steel firing pin. Manufactured in the USA Material: Stainless Steel Length: 3.7” x .25” .15” (94.3mm x 6.4mm x 4mm) Weight:  .2oz (6g)

A2 Tool Steel Pin Replacements for the stock low grade steel pins that have a tendency to wear quickly. These A2 Tool Steel Pins we're designed to last a Lifetime! Custom CNC Machined Ruger PC Carbine Accessories designed to prevent Ruger PC Carbine...

Ruger PC Carbine Exact Edge Extractor will fix common Ruger PC Carbine Problems with Failure to Extract Malfunctions from the Factory Stamped Metal Extractor. M*CARBO specializes in Custom Ruger PC Carbine Accessories to Improve Performance and Function...

The Rainier Arms Precision Match .308 BCG in Black Nitride is machined and finished to a higher standard to meet and exceed all Mil Spec. It is machined using the most precise equipment in the industry. The bolts are MPI tested & Marked to give you...

The Sylvan Arms Silent Capture Bolt Extension is hollowed out allowing you to run silent capture buffer spring systems with our Gen 3. Folding Stock Adapter. Designed for a 5/8 (.625) in. ID Bolt Carrier. Make sure that this will fit your configuration...