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Does the JP Enterprises Stainless LMOS carrier with QPQ work for 556 and 300 blackout? — 2 Answers

by Dale, from OR, United States Asked on October 4, 2020

Name JP Enterprises Stainless LMOS carrier with QPQ (5)
$245.00 $232.75 Save $12.25
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Answered by BJ, member, from TX, United States, on June 09, 2021

yes this works with 223 / 556 and 300 blackout

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Answered by Vin L, member, from NJ, United States, on April 25, 2021

Yes, though you'll need to use an adjustable gas block or bolt carrier for either caliber. It will work fine in 5.56 but 300 blk may have issues switching between sub and supersonic ammo.

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Last updated 2025-11-12 UTC.