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Retac Rifleworks™ Hard-Core Full Auto AR15 Bolt Carrier Group


SKU: AR15-BCG-NTR-C158 Categories: , ,

The Retac Rifleworks bolt carrier groups are meticulously engineered with exacting tolerances to ensure long life and peak performance under any condtions. They all receive a nitride QPQ finish for superior wear and corrosion resistance as well as ease of maintenance. Machined to USGI tolerances and outfitted with Grade 8, American made, fasteners and quad staked, out gas keys won’t leak. Our bolts are machined from Carpenter 158 steel per mil-spec standards and have been Magnetic Particle Inspected and Shot Peened to ensure the highest degree of strength and prolonged performance even under the harshest use cases. Simply put, our bolt carrier groups are the best damn BCGs available! We’re so confident that you’ll agree that we warranty these bad boys for life!

Every bolt carrier group gets live fire tested before shipping. As a result of this quality control measure, your BCG will show signs of testing.

  • Retac Rifleworks Hard -Core nitride/QPQ bolt carrier group
    • Carpenter 158 bolt (if it’s good for our military, it’s good for you)
    • 8620 Aircraft quality steel carrier
    • 4140 Steel cam pin
    • Hard chrome 8740 firing pin
    • Quad-Staked 4130 steel gas key with grade 8 fasteners (none of that chineseum stuff here!)
    • MPI and Shot Peened
    • Nitride and QPQ coated for extremely long life and reliability


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