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Please explain why it won't work for 300blk. 300blk uses the same case as 5.56 NATO and all other bolts work for both. — 1 Answer

by Dano, from CO, United States Asked on March 31, 2022

Name Sharps Rifle Company Xtreme Performance Bolt (4.8)
$119.99 $99.99 Save 17%
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Answered by Ethan, Gear Expert, from IL, United States, on May 10, 2022

The Sharps Rifle Company Relia-Bolt is compatible with 300 Blackout as it is drop-in compatible with all existing .223/5.56 variant parts groups and bolt carriers; no modifications or tools are necessary for installation.

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Last updated 2025-12-16 UTC.