Price history at Brownells.com
Recorded at Brownells.com since Oct 9, 2026: low $174.99 (Oct 9, 2026), high $215.38 (Oct 11, 2026). Last checked Oct 11, 2026.
From the store's product feed and AvantLink's price records; feeds can lag the store's own site.
Product Description
Perfect for building your custom AR15 upper group. Comes with a properly installed M4 barrel extension. All barrel sub-assemblies are properly headspaced. Chambered in .300 Blackout 16.1" Barrel Length Medium Taper Contour Carbine Gas System Length 5/8-24 Threads 1-7 Barrel Twist Available in a Bead Blasted Stainless Steel or Salt Bath Nitride Finish Mfg: Cmmg
Barrel Sub-Assembly 300 Blackout - 16.1'''' Bbl Sub-Assy Medium Taper 1-7 5/8-24'''' Black Nitride
$215.38
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