300 BLK Complete Uppers
Ar15 300 BLK Complete Uppers – B. King’s Firearms
Showing all 73 results
-
Replace .750 Low Profile Gas Block W/ BKF Adjustable Gas Block
$49.99$24.99Out of stock -
Pin & Weld Flash hider/Brake
$42.50$30.0083 in stock -
ADD Custom Single Color Cerakote – 1 piece
$75.00$35.0065 in stock -
ADD Custom Single Color Cerakote – 2 pieces
$100.00$65.0012 in stock -
ADD Headspaced AR15 Toolcraft BCG and Charging Handle – Black Nitride
$99.99$89.99in stock -
BKF AR15 Enhanced Magpul MOE Lower Build Kit + BCG/Charging Handle
$239.99$169.99in stock -
BKF AR15 7.5″ 300 Blackout 1/7 Twist 4150 Steel Barrel W/ 7.25″ Slim M-LOK Rail W/ KAK Micro Flash Can
$254.99$174.995 in stock -
BKF AR15 Enhanced SB Mini Pistol Lower Build Kit + BCG/Charging Handle
$209.99$174.99200 in stock -
BKF AR15 Enhanced Magpul SL Lower Build Kit + BCG/Charging Handle
$249.99$179.99in stock -
BKF AR15 7.5″ 300 BLK 1/7 Twist 4150 Barrel W/ 9.25″ Slim M-LOK Rail W/ KAK Flash Can
$259.99$189.995 in stock -
BKF AR15 Enhanced MOD-1 SOPMOD Lower Build Kit + BCG/Charging Handle
$269.99$189.99Out of stock -
BKF AR15 7.5″ 300 BLK 1/8 Twist 4150 Heavy Barrel W/ 9.25″ Slim M-LOK Rail W/ KAK Flash Can
$259.99$199.99Out of stock -
BKF AR15 10.5″ Heavy 300 BLK Pistol length 1/7 Twist Barrel W/ 9.875″ FFSSR M-LOK Handguard
$254.99$204.99Out of stock -
BKF AR15 10.5″ 300 BLK Pistol length 1/7 Twist Barrel W/ 9.875″ FFSSR M-LOK Handguard
$254.99$204.99Out of stock -
BKF AR15 Enhanced SBA3 Pistol Lower Build Kit + BCG/Charging Handle
$249.99$204.99200 in stock -
BKF AR15 10.5″ 300 BLK 1/8 Twist 4150 Heavy Barrel W/ 11.5″ FFSSR M-LOK Rail W/ KAK Flash Can
$269.99$219.99Out of stock -
BKF AR15 10.5″ 300 BLK 1/7 Twist 4150 Heavy Barrel W/ 11.5″ FFSSR M-LOK Rail W/ KAK Flash Can
$269.99$219.99Out of stock -
BKF AR15 16″ 300 Blk 1/8 Twist 4150 Barrel W/ 15.5″ FFSSR M-LOK Rail
$309.99$224.995 in stock -
BKF AR15 16″ 300 BLK Heavy 1/8 Twist Barrel W/ 17.5″ FFSSR M-LOK Rail W/ KAK Flash Can
$329.99$229.995 in stock -
BKF AR15 8.5″ 300 BLK Pistol length 1/7 Twist Barrel w/ 7.25″ Slim Hybrid M-LOK Handguard (Ballistic Advantage)
$329.99$229.99Out of stock -
BKF AR15 9.5″ 300 BLK Pistol length 1/7 Twist Barrel w/ 7.25″ Slim Hybrid M-LOK Handguard (Ballistic Advantage)
$329.99$229.993 in stock -
BKF AR15 8.5″ 300 BLK Pistol length 1/7 Twist Barrel w/ 7.25″ Slim M-LOK Handguard (Ballistic Advantage)
$304.99$236.99Out of stock -
BKF AR15 8″ 300 BLK Pistol length 1/7 Twist Barrel w/ 7.25″ Slim M-LOK Handguard (BKF W/ Pinned Gas Block)
$304.99$242.995 in stock -
BKF AR15 10.5″ 300 BLK Pistol Length 1/7 Twist Barrel W/ 9.25″ Slim M-LOK Handguard (BKF W/ Pinned Gas Block)
$309.99$247.995 in stock -
BKF AR15 8″ 300 BLK Pistol length 1/7 Twist Barrel w/ 7.25″ Slim Hybrid M-LOK Handguard (BKF W/ Pinned Gas Block)
$329.99$247.994 in stock -
BKF AR15 8″ 300 BLK Pistol length 1/7 Twist Barrel w/ 7.25″ Slim Hybrid M-LOK Handguard (Ballistic Advantage)
$329.99$249.995 in stock -
BKF AR15 9″ 300 BLK Pistol length 1/7 Twist Barrel w/ 7.25″ Slim Hybrid M-LOK Handguard (Ballistic Advantage)
$329.99$249.99Out of stock -
BKF AR15 9″ 300 BLK Pistol length 1/7 Twist Barrel w/ 7.25″ Slim Hybrid M-LOK Handguard (BKF W/ Pinned Gas Block)
$329.99$249.998 in stock -
BKF AR15 9″ 300 BLK Pistol length 1/7 Twist Barrel w/ 7.25″ Slim M-LOK Handguard (BKF W/ Pinned Gas Block)
$329.99$249.9910 in stock -
BKF AR15 9″ 300 BLK Pistol length 1/7 Twist Barrel w/ 9.25″ Slim M-LOK Handguard W/ KAK Micro Flash Can (BKF W/ Pinned Gas Block)
$329.99$259.997 in stock -
BKF AR15 10.5″ 300 BLK Pistol Length 1/8 Twist Gunner Barrel W/ 9.25″ Slim M-LOK Handguard (Faxon)
$309.99$267.992 in stock -
BKF AR15 8″ 300 BLK Pistol length 1/7 Twist Barrel W/ 9.25″ Slim M-LOK Handguard (BKF W/ Pinned Gas Block)
$309.99$268.995 in stock -
BKF AR15 8″ 300 BLK Pistol length 1/7 Twist Barrel W/ 9.25″ Hybrid M-LOK Handguard (BKF W/ Pinned Gas Block)
$309.99$268.995 in stock -
BKF AR15 8″ 300 BLK 1/7 Twist 4150 Barrel W/ 9.25″ Slim M-LOK Rail W/ KAK Flash Can (Ballistic Advantage)
$309.99$269.993 in stock -
BKF AR15 7.5″ 300 Blackout 1/8 Twist Gunner Barrel W/ 7.25″ Slim M-LOK Rail W/ KAK Micro Flash Can (Faxon)
$299.99$269.992 in stock -
BKF AR15 9″ 300 BLK Pistol length 1/7 Twist Barrel w/ 11.625″ Slim M-LOK Handguard W/ KAK Flash Can (BKF W/ Pinned Gas Block)
$329.99$274.9910 in stock -
BKF AR15 7.5″ 300 BLK 1/8 Twist Gunner Barrel W/ 9.25″ Slim M-LOK Rail W/ KAK Flash Can (Faxon)
$299.99$279.992 in stock -
BKF AR15 9″ 300 BLK Pistol length 1/7 Twist Barrel w/ 9.875″ FFSSR M-LOK Handguard W/ KAK Flash Can (BKF W/ Pinned Gas Block)
$329.99$279.994 in stock -
BKF AR15 10.5″ 300 BLK Pistol length 1/7 Twist Barrel W/ 9.875″ FFSSR M-LOK Handguard (BKF W/ Pinned Gas Block)
$309.99$287.995 in stock -
BKF AR15 16″ Govt 300 BLK Pistol length 1/7 Twist Barrel W/ 15.5″ FFSSR Handguard (Ballistic Advantage)
$324.99$289.995 in stock -
BKF AR15 10.5″ 300 BLK Pistol length 1/7 Twist Barrel W/ 9.875″ FFSSR M-LOK Handguard (Ballistic Advantage)
$309.99$289.995 in stock -
BKF AR15 9″ 300 BLK Pistol length 1/7 Twist Barrel w/ 11.5″ FFSSR M-LOK Handguard W/ KAK Flash Can (BKF W/ Pinned Gas Block)
$329.99$289.995 in stock -
BKF AR15 10.5″ 300 BLK 1/7 Twist 4150 Barrel W/ 11.5″ FFSSR M-LOK Rail W/ KAK Flash Can (BKF W/ Pinned Gas Block)
$319.99$291.99Out of stock -
BKF AR15 10.5″ 300 BLK 1/7 Twist 4150 Barrel W/ 11.5″ FFSSR M-LOK Rail W/ KAK Flash Can (Ballistic Advantage)
$319.99$294.995 in stock -
BKF AR15 8″ 300 BLK Pistol length 1/7 Twist Barrel w/ 7.25″ Midwest Combat Handguard (BKF W/ Pinned Gas Block)
$389.99$309.995 in stock -
BKF AR15 8″ 300 BLK Pistol length 1/7 Twist Barrel w/ 7.25″ Midwest G3M Handguard (BKF W/ Pinned Gas Block)
$389.99$309.995 in stock -
BKF AR15 10.5″ 300 BLK 1/8 Twist Nitrided Gunner Barrel W/ 11.5″ FFSSR M-LOK Rail W/ KAK Flash Can (Faxon)
$399.99$314.992 in stock -
BKF AR15 10.5″ 300 BLK Pistol length 1/7 Twist Barrel W/ 9.25″ Midwest G3M Handguard (BKF W/ Pinned Gas Block)
$389.99$339.995 in stock -
BKF AR15 10.5″ 300 BLK Pistol length 1/7 Twist Barrel W/ 9.5″ Midwest Combat Handguard (BKF W/ Pinned Gas Block)
$389.99$339.995 in stock -
BKF AR15 MOD-1 8″ 300 BLK Pistol length 1/7 Twist Barrel w/ 7.25″ Midwest G3M Handguard (BKF W/ Pinned Gas Block)
$489.99$359.995 in stock -
BKF AR15 MOD-1 8″ 300 BLK Pistol length 1/7 Twist Barrel w/ 10.5″ Midwest SP Handguard (Suppressor Ready)
$489.99$364.995 in stock -
BKF AR15 MOD-1 9″ 300 BLK Pistol length 1/7 Twist Barrel w/ 10.5″ Midwest SP Handguard (Suppressor Ready)
$489.99$364.995 in stock -
BKF AR15 MOD-1 10.5″ 300 BLK Pistol length 1/7 Twist Barrel W/ 9.5″ Midwest Combat Handguard (BKF W/ Pinned Gas Block)
$399.99$369.995 in stock -
BKF AR15 MOD-1 8″ 300 BLK Pistol length 1/7 Twist Barrel w/ 12.625″ Midwest SP Handguard (Suppressor Ready)
$499.99$369.995 in stock -
BKF AR15 MOD-1 9″ 300 BLK Pistol length 1/7 Twist Barrel w/ 12.625″ Midwest SP Handguard (Suppressor Ready)
$499.99$369.995 in stock -
BKF AR15 MOD-1 10.5″ 300 BLK Pistol length 1/7 Twist Barrel w/ 12.625″ Midwest SP Handguard (Suppressor Ready)
$499.99$369.994 in stock -
BKF AR15 MOD-1 10.5″ 300 BLK Pistol length 1/7 Twist Barrel w/ 15″ Midwest SP Handguard (Suppressor Ready)
$499.99$379.995 in stock -
BKF AR15 8″ 300 BLK Pistol length 1/7 Twist Barrel w/ Geissele MK13 Handguard (BKF W/ Pinned Gas Block)
$499.99$399.995 in stock -
BKF AR15 9″ 300 BLK Pistol length 1/7 Twist Barrel w/ Geissele MK13 Handguard (BKF W/ Pinned Gas Block)
$499.99$399.995 in stock -
BKF AR15 10.5″ 300 BLK Pistol length 1/7 Twist Barrel w/ Geissele MK13 Handguard (BKF W/ Pinned Gas Block)
$499.99$399.994 in stock -
BKF AR15 8″ 300 BLK Pistol length 1/7 Twist Barrel w/ Geissele MK14 Handguard (BKF W/ Pinned Gas Block)
$499.99$399.995 in stock -
BKF AR15 9″ 300 BLK Pistol length 1/7 Twist Barrel w/ Geissele MK14 Handguard (BKF W/ Pinned Gas Block)
$499.99$399.995 in stock -
BKF AR15 10.5″ 300 BLK Pistol length 1/7 Twist Barrel w/ Geissele MK14 Handguard (BKF W/ Pinned Gas Block)
$499.99$399.994 in stock -
BKF AR15 MOD-1 8″ 300 BLK Pistol length 1/7 Twist Barrel w/ Geissele MK8 Handguard (BKF W/ Pinned Gas Block)
$599.99$429.995 in stock -
BKF AR15 MOD-1 10.5″ 300 BLK Pistol length 1/7 Twist Barrel w/ Geissele MK14 Handguard (BKF W/ Pinned Gas Block)
$599.99$449.995 in stock -
BKF AR15 MOD-1 9″ 300 BLK Pistol length 1/7 Twist Barrel w/ Geissele MK14 Handguard (BKF W/ Pinned Gas Block)
$599.99$449.995 in stock -
BKF AR15 MOD-1 8″ 300 BLK Pistol length 1/7 Twist Barrel w/ Geissele MK14 Handguard (BKF W/ Pinned Gas Block)
$599.99$449.995 in stock -
BKF AR15 MOD-1 10.5″ 300 BLK Pistol length 1/7 Twist Barrel w/ Geissele MK13 Handguard (BKF W/ Pinned Gas Block)
$599.99$449.995 in stock -
BKF AR15 MOD-1 9″ 300 BLK Pistol length 1/7 Twist Barrel w/ Geissele MK13 Handguard (BKF W/ Pinned Gas Block)
$599.99$449.995 in stock -
BKF AR15 MOD-1 8″ 300 BLK Pistol length 1/7 Twist Barrel w/ Geissele MK13 Handguard (BKF W/ Pinned Gas Block)
$599.99$449.995 in stock -
BKF AR15 MOD-1 10.5″ 300 BLK Pistol length 1/7 Twist Barrel w/ Geissele MK8 Handguard (BKF W/ Pinned Gas Block)
$599.99$449.995 in stock -
BKF AR15 MOD-1 10.5″ 300 BLK Pistol length 1/7 Twist Barrel w/ Geissele MK4 Handguard (BKF W/ Pinned Gas Block)
$599.99$449.995 in stock -
Seekins Sbr-Pistol Billet Upper 8″ Mcsr 300 Blackout
$855.00$809.102 in stock