300 Blackout
Custom 300 Blackout AR-15 Upper Receivers. Virtually all of our 300 Blackout AR15 upper and AR parts in stock and are built to order.
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| *Rifle Build Kit* 16" 300blk Black Nitride, 7side MLok | 10.5" 300 Blackout Ar15 Upper | 16" 300 Blackout HBAR Ar15 upper with 15" 7side MLok |
$878.00 $499.00 | $437.01 $376.31 (9) | $499.00 $349.00 |
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| 10.5" 300 BLK Ar15 Upper, Slanted Hybrid Mlok & Flash Can | Double Upper Combo! Complete .223 Wylde & 300 Blk | 10.5" 300 BLK Ar15 Pistol Upper with 12" Gen3 Rail & Flash Can |
$554.90 $435.83 | $842.79 $699.42 (7) | $554.90 $435.83 (2) |
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| 16" 300 AAC Blackout Ar15 Upper with Free Float Rail | 16" 300 AAC Blackout Ar15 Upper with Free Float Rail *pistol gas | 7.5" 300 Blackout Ar-15 Upper with Free Float Rail |
$437.01 $376.31 (17) | $460.83 $376.31 | $376.31 $364.39 (4) |
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| 7.5" 300 Blackout Ar15 Upper w/ Slim mlok Free Float | BMS 300Blk Upper: 10.5" + welded Suppressor Shroud = Legal 16" | |
$435.83 $376.31 (2) | $1,162.92 $990.91 (4) | |
