300 BLK

Sort By:
Show:
14.5" AR-15 300 AAC Blackout Ballistic Advantage keymod tactical pistol kit
This kit contains all components to complete your AR-15 300 BLK build. The kit comes WITHOUT 80% machined stripped lower receiver. All options and modifications to your kit are available on top of this page.  All components are Mil Spec and made in the USA. Features:Barrel: 14.5” Moder..
$479.95 $549.95
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
10.5" 300 ACC blackout hbar barrel 1-8 twist
Chambered 300 aac blackout 10.5" Made from 4150; parkerized finish 1-8 rh twist button rifled Carbine length gas system .750 gas block diameter 5/8-24 threads on muzzle end (the same as for .308 barrels) ..
$149.95
10.5" AR-15 300 AAC Blackout tactical premium pistol kit
This kit contains all components to complete your AR-15. The kit comes WITHOUT 80% machined stripped lower receiver. All options and modifications to your kit are available on top of this page. Upper and 80% Stripped Lower are made from 7075 T-6 Aluminum.  All components are Mil Spec ..
$399.95 $529.95
16" 300 AAC blackout stainless steel black 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 ..
$449.95
16" 300 AAC blackout stainless steel black spiral 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 ..
$429.95