300 Blackout Uppers
300 Blackout Ar15 Upper Receivers. Virtually all of our uppers for sale have the parts in stock and are built to order.
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10.5" 300 Blackout Ar15 Upper | 10.5" 300 BLK Ar15 Upper, Slanted Hybrid Keymod & Flash Can | Double Upper Combo! Complete .223 Wylde & 300 Blk |
$329.99 $279.00 (9) | $429.00 $329.00 | $599.99 $505.99 (7) |
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10.5" 300 BLK Ar15 Pistol Upper with 12" Gen3 Rail & Flash Can | 16" 300 AAC Blackout Ar15 Upper with Free Float Rail | 16" 300 AAC Blackout Ar15 Upper with Free Float Rail *pistol gas |
$429.00 $329.00 (2) | $329.99 $279.00 (17) | $349.99 $279.00 |
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16" 300 Blackout Stainless Ar15 Upper w/ F15 Slim Keymod Rail | 7.5" 300 Blackout Ar-15 Upper with Free Float Rail | 7.5" 300 Blackout Ar15 Upper w/ Slim Keymod Free Float |
$479.00 $349.00 (1) | $279.00 $269.00 (4) | $329.00 $279.00 (2) |
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BMS 300Blk Upper: 10.5" + welded Suppressor Shroud = Legal 16" | ||
$780.00 $649.99 (4) | ||