Product Description
The Geissele Reliability Enhanced Bolt Carrier Group comes with the Geissele Stressproof Bolt®. The Forged Stressproof Bolt® is made from Carpenter 158+, directly developed with Carpenter Steel metallurgists to create a material that is cleaner and has less impurities. This makes the Stressproof Bolt® stronger and more fatigue resistant, capable of 5 times the life of a mil-spec bolt
Each Forged bolt is rigorously inspected, high pressure tested, mag particle inspected and Nanoweapon® coated.
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