300 BLK Complete Uppers
Ar15 300 BLK Complete Uppers – B. King’s Firearms
Showing all 26 results
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Pin & Weld Flash hider/Brake
$42.50$30.0093 in stock -
Aero Precision M4E1 Threaded Upper Receiver UPGRADE
$35.005 in stock -
Replace .750 Low Profile Gas Block W/ Odin Works Gas Block Tunable S/S
$53.99$49.999 in stock -
Replace A2 Flash Hider with VG6 GAMMA 300BLK for Complete Uppers
$89.99$52.0015 in stock -
ADD AR15 Toolcraft 556/300 BLK BCG and Charging Handle – Black Nitride
$99.99$78.492 in stock -
AR15 7.5″ 300 BLK 1/8 Twist 4150 Heavy Barrel W/ 9.25″ Slim M-LOK Rail W/ KAK Flash Can
$259.99$189.995 in stock -
AR15 10.5″ 300 BLK 1/8 Twist 4150 Heavy Barrel W/ 11.625″ Slim FFSSR M-LOK Rail W/ KAK Flash Can
$259.99$219.995 in stock -
AR15 16″ 300 Blk 1/8 Twist 4150 Barrel W/ 15.5″ Slim FFSSR M-LOK Rail
$309.99$229.990 in stock -
AR15 16″ 300 BLK Heavy 1/8 Twist Barrel W/ 17.7″ Slim FFSSR M-LOK Rail W/ KAK Flash Can
$329.99$259.990 in stock -
AR15 8.5″ 300 BLK Pistol length 1/7 Twist Barrel w/ 7.25″ Slim M-LOK Handguard (Ballistic Advantage)
$289.99$264.26Out of stock -
AR15 8″ 300 BLK 1/7 Twist 4150 Barrel W/ 9.25″ Slim M-LOK Rail W/ KAK Flash Can (Ballistic Advantage)
$299.99$269.991 in stock -
AR15 8″ 300 BLK Pistol length 1/7 Twist Barrel w/ 7.25″ Slim Hybrid M-LOK Handguard (Ballistic Advantage)
$329.99$279.991 in stock -
AR15 8.5″ 300 BLK Pistol length 1/7 Twist Barrel w/ 7.25″ Slim Hybrid M-LOK Handguard (Ballistic Advantage)
$329.99$279.991 in stock -
AR15 9″ 300 BLK Pistol length 1/7 Twist Barrel w/ 7.25″ Slim Hybrid M-LOK Handguard (Ballistic Advantage)
$329.99$279.991 in stock -
AR15 9.5″ 300 BLK Pistol length 1/7 Twist Barrel w/ 7.25″ Slim Hybrid M-LOK Handguard (Ballistic Advantage)
$329.99$279.993 in stock -
AR15 16″ Govt 300 BLK Pistol length 1/7 Twist Barrel W/ 15.5″ Slim M-LOK FFSSR Handguard (Ballistic Advantage)
$324.99$299.991 in stock -
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)
$399.99$319.99Out of 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
$355.00in 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
$360.00in 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 -
Cmmg Upper Mk4 Pdw 300black 8″
$557.4915 in stock -
Cmmg Upper Mk4t Sbn 300black 16″ Keymod
$629.955 in stock -
Cmmg Upper Mk4t Sts 300black 16″ Keymod
$669.332 in stock -
Seekins Sbr-Pistol Billet Upper 8″ Mcsr 300 Blackout
$855.0011 in stock -
2a Upper 300black 8″ M-lok Rail Black
$1,201.584 in stock