300 BLK Complete Uppers
Ar15 300 BLK Complete Uppers – B. King’s Firearms
Showing all 34 results
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Replace .750 Low Profile Gas Block W/ B. King’s Adjustable Gas Block
$49.99$24.99Out of stock -
Pin & Weld Flash hider/Brake
$42.50$30.0091 in stock -
Aero Precision M4E1 Threaded Upper Receiver UPGRADE
$35.00Out of stock -
Replace A2 Flash Hider with VG6 GAMMA 300BLK for Complete Uppers
$89.99$52.0013 in stock -
ADD AR15 Toolcraft 556/300 BLK BCG and Charging Handle – Black Nitride
$99.991 in stock -
BKF AR15 7.5″ 300 Blackout 1/7 Twist 4150 Steel Barrel W/ 5.5″ Slim Hybrid M-LOK Rail
$244.99Out of 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
$254.99Out 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
$259.993 in stock -
BKF AR15 7.5″ 300 BLK 1/8 Twist 4150 Barrel W/ 9.25″ Slim M-LOK Rail W/ KAK Flash Can
$259.99Out of stock -
BKF AR15 10.5″ 300 BLK 1/8 Twist 4150 Heavy Barrel W/ 11.625″ Slim FFSSR M-LOK Rail W/ KAK Flash Can
$269.994 in stock -
BKF AR15 8.5″ 300 BLK Pistol length 1/7 Twist Barrel w/ 7.25″ Slim M-LOK Handguard (Ballistic Advantage)
$304.991 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)
$309.993 in stock -
BKF AR15 16″ 300 Blk 1/8 Twist 4150 Barrel W/ 15.5″ Slim FFSSR M-LOK Rail
$309.99Out of stock -
BKF AR15 16″ Govt 300 BLK Pistol length 1/7 Twist Barrel W/ 15.5″ Slim M-LOK FFSSR Handguard (Ballistic Advantage)
$324.99Out of stock -
BKF AR15 16″ 300 BLK Heavy 1/8 Twist Barrel W/ 17.7″ Slim FFSSR M-LOK Rail W/ KAK Flash Can
$329.99Out of stock -
BKF AR15 8″ 300 BLK Pistol length 1/7 Twist Barrel w/ 7.25″ Slim Hybrid M-LOK Handguard (Ballistic Advantage)
$329.993 in stock -
BKF AR15 8.5″ 300 BLK Pistol length 1/7 Twist Barrel w/ 7.25″ Slim Hybrid M-LOK Handguard (Ballistic Advantage)
$329.991 in stock -
BKF AR15 9″ 300 BLK Pistol length 1/7 Twist Barrel w/ 7.25″ Slim Hybrid M-LOK Handguard (Ballistic Advantage)
$329.99Out of stock -
BKF AR15 9.5″ 300 BLK Pistol length 1/7 Twist Barrel w/ 7.25″ Slim Hybrid M-LOK Handguard (Ballistic Advantage)
$329.993 in stock -
Aero Precision AR15 M4E1 Enhanced Upper and Handguard Build W/ Ballistic Advantage BA Hanson 8.3″ 300 BLK Pistol length 1/7 Twist Barrel
$355.00Out of stock -
Aero Precision AR15 M4E1 Enhanced Upper and Handguard Build W/ Ballistic Advantage BA Hanson 10.3″ 300 BLK Pistol length 1/7 Twist Barrel
$360.00Out of stock -
Aero Precision AR15 M4E1 Enhanced Upper and Handguard Build W/ Ballistic Advantage BA Hanson 8.3″ 300 BLK SS Pistol Length 1/7 Twist Barrel
$375.00Out of stock -
Aero Precision AR15 M4E1 Enhanced Upper and Handguard Build W/ Ballistic Advantage BA Hanson 10.3″ 300 BLK SS Pistol Length 1/7 Twist Barrel
$375.00Out of stock -
BKF AR15 10.5″ 300 BLK Gunner 1/8 Twist 416-R SS Nitrided Barrel W/ 11.625″ Slim FFSSR M-LOK Rail W/ KAK Flash Can (Faxon)
$399.993 in stock -
AR15 M4E1 Build W/ BA DRP 10.5″ 300 BLK 1/7 Twist – 9″ Atlas R-One M-Lok
$399.995 in stock -
AR15 M4E1 Build W/ BA DRP 10.5″ 300 BLK 1/7 Twist – 9″ Atlas S-One M-Lok
$399.995 in stock -
AR15 M4E1 Build W/ BA DRP 8″ 300 BLK 1/7 Twist – 7″ Atlas R-One M-Lok
$399.99Out of stock -
AR15 M4E1 Build W/ BA DRP 8″ 300 BLK 1/7 Twist – 7″ Atlas S-One M-Lok
$399.99Out of stock -
10% OFF IN CART
Cmmg Upper Mk4 Pdw 300black 8″
$557.49Out of stock -
Zev Core Forged Upper 300 black 8.5″ Black
$850.254 in stock -
10% OFF IN CART
Seekins Sbr-Pistol Billet Upper 8″ Mcsr 300 Blackout
$899.00Out of stock -
Wilson Upper 300black 16″ 1-8 Twist
$1,162.49Out of stock -
10% OFF IN CART
2a Upper 300black 8″ M-lok Rail Black
$1,201.584 in stock