Toolcraft probably makes more BCGs than any other manufacturer in the USA, and they are excellent quality. The company's components are so reliable that many of the big USA gun brands will not bother making their own BCG, they simply order them from Toolcraft. You get: (1) Assembled bolt , ready to drop in Compatible with: AR-15/M16 bolt carriers, (or AR-10/AR-308 size bolt carriers if you're buying a 308 bolt) Installation Difficulty: You also need: To make a complete Bolt Carrier Group, you'll also need a bolt carrier, gas key, gas key screws, cam pin, firing pin, and firing pin retaining pin.
Brand Name : Toolcraft
Distributor : Truenortharms.com
Distributor Product ID: 7531
Distributor SKU: Toolcraft Bolt Assemblies
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