300 BLK Complete Uppers

Ar15 300 BLK Complete Uppers – B. King’s Firearms

Showing all 41 results

Replace .750 Low Profile Gas Block W/ BKF Adjustable Gas Block
Rated 5.00 out of 5
~~$49.99~~ $24.99
Out of stock
Pin & Weld Flash hider/Brake
~~$42.50~~ $30.00
89 in stock
ADD Custom Single Color Cerakote – 1 piece
Rated 4.91 out of 5
~~$75.00~~ $35.00
18 in stock
Aero Precision M4E1 Threaded Upper Receiver UPGRADE
Rated 5.00 out of 5
$40.00
25 in stock
ADD Custom Single Color Cerakote – 2 pieces
~~$100.00~~ $65.00
21 in stock
ADD AR15 Toolcraft 556/300 BLK BCG and Charging Handle – Black Nitride
Rated 5.00 out of 5
$99.99
Out of stock
BKF AR15 7.5″ 300 Blackout 1/7 Twist 4150 Steel Barrel W/ 5.5″ Slim Hybrid M-LOK Rail
Rated 4.00 out of 5
~~$244.99~~ $159.99
4 in 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
Rated 5.00 out of 5
~~$254.99~~ $174.99
3 in stock
BKF AR15 7.5″ 300 BLK 1/7 Twist 4150 Barrel W/ 9.25″ Slim M-LOK Rail W/ KAK Flash Can
Rated 5.00 out of 5
~~$259.99~~ $189.99
2 in stock
BKF AR15 7.5″ 300 BLK 1/8 Twist 4150 Heavy Barrel W/ 9.25″ Slim M-LOK Rail W/ KAK Flash Can
Rated 5.00 out of 5
~~$259.99~~ $199.99
3 in stock
BKF AR15 10.5″ Heavy 300 BLK Pistol length 1/7 Twist Barrel W/ 9.875″ FFSSR M-LOK Handguard
~~$254.99~~ $204.99
3 in stock
BKF AR15 10.5″ 300 BLK Pistol length 1/7 Twist Barrel W/ 9.875″ FFSSR M-LOK Handguard
~~$254.99~~ $204.99
3 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
Rated 5.00 out of 5
~~$269.99~~ $219.99
2 in stock
BKF AR15 10.5″ 300 BLK 1/7 Twist 4150 Barrel W/ 11.5″ FFSSR M-LOK Rail W/ KAK Flash Can
~~$269.99~~ $219.99
5 in stock
BKF AR15 16″ 300 Blk 1/8 Twist 4150 Barrel W/ 15.5″ Slim FFSSR M-LOK Rail
~~$309.99~~ $224.99
1 in stock
BKF AR15 8″ 300 BLK Pistol length 1/7 Twist Barrel w/ 7.25″ Slim Hybrid M-LOK Handguard (Ballistic Advantage)
Rated 5.00 out of 5
~~$329.99~~ $229.99
1 in stock
BKF AR15 8.5″ 300 BLK Pistol length 1/7 Twist Barrel w/ 7.25″ Slim Hybrid M-LOK Handguard (Ballistic Advantage)
Rated 5.00 out of 5
~~$329.99~~ $229.99
5 in stock
BKF AR15 9″ 300 BLK Pistol length 1/7 Twist Barrel w/ 7.25″ Slim Hybrid M-LOK Handguard (Ballistic Advantage)
Rated 5.00 out of 5
~~$329.99~~ $229.99
5 in stock
BKF AR15 9.5″ 300 BLK Pistol length 1/7 Twist Barrel w/ 7.25″ Slim Hybrid M-LOK Handguard (Ballistic Advantage)
Rated 5.00 out of 5
~~$329.99~~ $229.99
3 in stock
BKF AR15 8.5″ 300 BLK Pistol length 1/7 Twist Barrel w/ 7.25″ Slim M-LOK Handguard (Ballistic Advantage)
Rated 5.00 out of 5
~~$304.99~~ $236.99
5 in stock
BKF AR15 16″ 300 BLK Heavy 1/8 Twist Barrel W/ 17.5″ Slim FFSSR M-LOK Rail W/ KAK Flash Can
Rated 5.00 out of 5
~~$329.99~~ $239.99
1 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)
Rated 5.00 out of 5
~~$309.99~~ $249.99
Out of stock
BKF AR15 10.5″ 300 BLK Pistol Length 1/8 Twist Gunner Barrel W/ 9.25″ Slim M-LOK Handguard (Faxon)
~~$309.99~~ $267.99
1 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~~ $269.99
1 in 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)
Rated 5.00 out of 5
~~$319.99~~ $274.99
3 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~~ $279.99
Out of stock
BKF AR15 16″ Govt 300 BLK Pistol length 1/7 Twist Barrel W/ 15.5″ Slim M-LOK FFSSR Handguard (Ballistic Advantage)
Rated 5.00 out of 5
~~$324.99~~ $289.99
Out of 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)
Rated 5.00 out of 5
~~$399.99~~ $314.99
1 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
$355.00
Out 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
Rated 5.00 out of 5
$360.00
Out 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
Rated 5.00 out of 5
$375.00
Out 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
$375.00
Out of stock
AR15 M4E1 Build W/ BA DRP 10.5″ 300 BLK 1/7 Twist – 9″ Atlas R-One M-Lok
$399.99
3 in stock
AR15 M4E1 Build W/ BA DRP 10.5″ 300 BLK 1/7 Twist – 9″ Atlas S-One M-Lok
$399.99
3 in stock
AR15 M4E1 Build W/ BA DRP 8″ 300 BLK 1/7 Twist – 7″ Atlas R-One M-Lok
$399.99
Out of stock
AR15 M4E1 Build W/ BA DRP 8″ 300 BLK 1/7 Twist – 7″ Atlas S-One M-Lok
$399.99
Out of stock
10% OFF IN CART
10% off (Monthly and Holiday Discounts)

10% off any AR15 Complete Lower and AR15 Barrel when purchased together
Cmmg Upper Mk4 Pdw 300black 8″
$557.49
Out of stock
Zev Core Forged Upper 300 black 8.5″ Black
$850.25
Out of stock
10% OFF IN CART
10% off (Monthly and Holiday Discounts)

10% off any AR15 Complete Lower and AR15 Barrel when purchased together
Seekins Sbr-Pistol Billet Upper 8″ Mcsr 300 Blackout
$899.00
13 in stock
Wilson Upper 300black 16″ 1-8 Twist
$1,162.49
Out of stock
10% OFF IN CART
10% off (Monthly and Holiday Discounts)

10% off any AR15 Complete Lower and AR15 Barrel when purchased together
2a Upper 300black 8″ M-lok Rail Black
$1,201.58
Out of stock