Brownells 75th Anniversary - A Shooting Heritage
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Matched bolt/carrier set is machined to mil-spec dimensions using the latest manufacturing and quality-control techniques to deliver superb reliability in both semi-auto and select-fire rifles. Carrier is hard-chromed inside and has an M16-type full-length shroud on the underside to trip the auto sear on full-auto/burst rifles. Bolt is magnetic particle inspected to ensure there are no internal flaws to compromise structural integrity and cause premature failure. Fully staked carrier key and tool steel extractor further aid reliable cycling. Laser-engraved Spike’s Tactical logo on the side of the carrier is visible when the ejection port door is open. .223/5.56 fits standard AR-15/M16/M4 rifles and is available with a FailZero EXO™ nickel-boron coating that’s smoother and slicker than hard-chrome for reduced friction and superb wear-resistance in high-intensity applications.


AR-15, Issue:11, Page:013
Big Book Catalog, Issue:73, Page:021
Big Book Catalog, Issue:73, Page:075

PECS: Bolt – Carpenter 158 steel alloy. Carrier – 8620 carbon steel, chrome lined. Available with  FailZero EXO nickel-boron coating, silver finish.

SPIKES TACTICAL - M16 5.56 NICKEL BORRON BOLT CARRIER GROUP

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Cartridge: 223 Remington, 5.56 mm NATO

Finish: Nickel-Boron

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