It matches any of the Sharps Bros. lower receivers perfectly, and it also matches the lines of their handguards perfectly as well. This receiver is meant for .223, 5.56, 300 BLK and 6.5 Grendel calibers. Port opening is not large enough for 450 Bushmaster, 458 SOCOM or 50 Beowulf.
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CMMG 35B5FBCAB Resolute MK4 350 Legend 16.10″, Armor Black, M-LOK Free-Float Handguard for AR-Platform
$751.00
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