AR-15 300 AAC BLKOUT Uppers

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10.5" 300 AAC blackout stainless steel classic keymod upper assembly
Barrel - 10.5" heavy contour barrel stainless steel. Hardened to 26-32 rc and stress releived, pistol gas system.  Chambered in 300 aac blackout. 1-7 rh twist button rifled. .750 under gas block. Barrel is finished off with stainless steel compensator and crush washer. M4 feedramps. A3 ..
$299.95 $399.95
16" 300 AAC blackout stainless steel diamond fluted upper assembly
300 blackout caliber uppers use your standard .223/5.56 bolt carrier group and magazines! No special bolts or magazines to buy to get into a new caliber!   Barrel - 16" 416 stainless steel hbar contour barrel. Hardened to 26-32 rc and stress releived. Chambered in 300 blackout. 1-7 rh ..
$415.00
16" 300 AAC blackout stainless steel straight fluted tactical upper assembly
300 blackout caliber uppers use your standard .223/5.56 bolt carrier group and magazines! No special bolts or magazines to buy to get into a new caliber!   Barrel - 16" 416 stainless steel hbar contour barrel, straight fluted. Hardened to 26-32 rc and stress releived. Chambered in..
$399.95
9" 300 blackout keymod pistol upper assembly
BARREL - 9" 4150V PARKERIZED HBAR/HEAVY CONTOUR BARREL. HARDENED TO 26-32 RC AND STRESS RELEIVED.  CHAMBERED IN 300 BLACKOUT. 1/7 RH TWIST. PISTOL GAS SYSTEM .750 UNDER GAS BLOCK. A2 COMPENSATOR AND CRUSH WASHER. M4 FEEDRAMPS. A3  FLAT TOP UPPER RECIEVER - MADE FROM ..
$329.99 $399.95