5.56 Nato Complete Uppers
Ar15 5.56 Nato Complete Uppers – B. King’s Firearms
Showing all 117 results
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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$35.0060 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 Enhanced SB Mini Pistol Lower Build Kit + BCG/Charging Handle
$209.99$174.99Out of stock -
BKF AR15 7.5″ 5.56 Nato 1/7 Twist 4150 Steel Barrel W/ 7.25″ Slim M-LOK Rail W/ KAK Micro Flash Can
$254.99$179.992 in stock -
BKF AR15 Enhanced Magpul SL Lower Build Kit + BCG/Charging Handle
$249.99$179.99in stock -
BKF AR15 Enhanced MOD-1 SOPMOD Lower Build Kit + BCG/Charging Handle
$269.99$189.99Out of stock -
BKF AR15 16″ 5.56 Nato Govt 1/7 Twist 4150 Barrel W/ 13.5″ Slim M-LOK Rail – TIN Barrel Extension
$299.99$194.9910 in stock -
BKF AR15 8″ 5.56 Nato Pistol length 1/7 Twist Barrel w/ 7.25″ Slim Hybrid M-LOK Handguard (Ballistic Advantage)
$329.99$199.996 in stock -
BKF AR15 7.5″ 5.56 Nato 1/7 Twist 4150 Steel Barrel W/ 9.25″ Slim M-LOK Rail W/ KAK Flash Can
$259.99$199.992 in stock -
BKF AR15 10.5″ Govt 5.56 Nato Carbine length 1/7 Twist Barrel W/ 9.875″ FFSSR M-LOK Handguard
$259.99$199.995 in stock -
BKF AR15 16″ 5.56 Nato Govt 1/7 Twist 4150 Barrel W/ 15″ Slim M-LOK Rail – TIN Barrel Extension
$299.99$199.9911 in stock -
BKF AR15 10.5″ Govt .223 Wylde Carbine length 1/8 Twist Barrel W/ 9.875″ FFSSR M-LOK Handguard
$259.99$199.995 in stock -
BKF AR15 Enhanced SBA3 Pistol Lower Build Kit + BCG/Charging Handle
$249.99$204.99199 in stock -
BKF AR15 10.5″ 5.56 Govt Nato Carbine length 1/7 Twist Barrel W/ 9.25″ Slim M-LOK Handguard (Ballistic Advantage)
$299.99$214.996 in stock -
BKF AR15 16″ 5.56 Nato Govt 1/7 Twist 4150 Barrel W/ 15.5″ FFSSR M-LOK Rail
$309.99$214.991 in stock -
BKF AR15 DRP 8″ 5.56 Nato Pistol length 1/7 Twist Barrel W/ 7.25″ Slim M-LOK Handguard (Ballistic Advantage)
$289.99$219.998 in stock -
BKF AR15 16″ 5.56 Nato Carbine length Govt 1/7 Twist 4150 Barrel W/ 15.5″ FFSSR M-LOK Rail
$309.99$219.99Out of stock -
BKF AR15 16″ 5.56 Nato Govt 1/7 Twist 4150 Barrel W/ 15.5″ FFSSR M-LOK Rail – TIN Barrel Extension
$309.99$219.999 in stock -
BKF AR15 10.5″ 5.56 Nato Govt 1/7 Twist 4150 Steel Barrel W/ 11.5″ FFSSR M-LOK Rail W/ KAK Flash Can
$269.99$224.995 in stock -
BKF AR15 10.5″ Govt 5.56 Nato Carbine length 1/7 Twist Barrel 9.875″ FFSSR M-LOK Handguard (Ballistic Advantage)
$314.99$229.994 in stock -
BKF AR15 10.5″ 5.56 Nato 1/7 Twist QPQ Barrel W/ 11.625″ Slim M-LOK Rail W/ KAK Flash Can (Ballistic Advantage)
$319.99$229.9910 in stock -
BKF AR15 8″ 5.56 Nato 1/7 Twist 4150 Barrel W/ 9.25″ Slim M-LOK Rail W/ KAK Flash Can (Ballistic Advantage)
$309.99$229.995 in stock -
BKF AR15 11.5″ Govt 5.56 Nato Carbine length 1/7 Twist Barrel 9.25″ Slim M-LOK Handguard (Ballistic Advantage)
$329.99$234.995 in stock -
BKF AR15 16″ 5.56 Nato Govt 1/7 Twist 4150 Barrel W/ 17.5″ FFSSR M-LOK Rail W/ KAK Flash Can
$319.99$239.99Out of stock -
BKF AR15 20″ Govt 5.56 Nato Rifle length 1/7 Twist Nitride Barrel W/ 17.5″ Slim FFSSR M-LOK Handguard
$319.99$249.994 in stock -
BKF AR15 11.5″ 5.56 Nato 1/7 Twist QPQ Barrel W/ 11.625″ Slim M-LOK Rail W/ KAK Micro Flash Can (Ballistic Advantage)
$349.99$249.992 in stock -
Rosco AR15 16″ 5.56 Nato 1/7 Twist Barrel W/ 13.5″ FFSSR M-LOK Rail
$399.99$254.991 in stock -
BKF AR15 11.5″ Govt 5.56 Nato Carbine length 1/7 Twist Barrel 9.875″ FFSSR M-LOK Handguard (Ballistic Advantage)
$314.99$254.995 in stock -
BKF AR15 10.5″ 5.56 Govt Nato Carbine length 1/7 Twist Barrel W/ 9.25″ Slim M-LOK Handguard (BKF W/ Pinned Gas Block)
$299.99$254.998 in stock -
BKF AR15 10.5″ 5.56 Govt Nato Carbine length 1/7 Twist Barrel W/ 9.25″ Hybrid M-LOK Handguard (BKF W/ Pinned Gas Block)
$299.99$254.999 in stock -
BKF AR15 Govt 12.5″ 5.56 Nato Carbine length 1/7 Twist Barrel W/ 11.625″ Slim M-LOK Handguard (BKF W/ Pinned Gas Block)
$299.99$259.992 in stock -
BKF AR15 14.5″ Govt 5.56 Nato Mid length 1/7 Twist Barrel W/ 13.5″ Slim FFSSR M-LOK Handguard (Ballistic Advantage)
$329.99$262.995 in stock -
BKF AR15 Govt 12.5″ 5.56 Nato Carbine length 1/7 Twist Barrel W/ 11.625″ Slim M-LOK Handguard (Ballistic Advantage)
$299.99$264.99Out of stock -
BKF AR15 10.5″ 5.56 Nato 1/7 Twist QPQ Barrel W/ 11.625″ Slim M-LOK Rail W/ KAK Flash Can (BKF W/ Pinned Gas Block)
$319.99$264.9910 in stock -
BKF AR15 14.5″ Govt 5.56 Nato Mid length 1/7 Twist Barrel W/ 13.5″ Slim M-LOK Handguard (BKF W/ Pinned Gas Block)
$314.99$264.995 in stock -
BKF AR15 11.5″ 5.56 Nato 1/7 Twist QPQ Barrel W/ 11.5″ FFSSR M-LOK Rail W/ KAK Micro Flash Can (Ballistic Advantage)
$349.99$269.9910 in stock -
BKF AR15 10.5″ Govt 5.56 Nato Carbine length 1/7 Twist Barrel 9.875″ FFSSR M-LOK Handguard (BKF W/ Pinned Gas Block)
$314.99$269.995 in stock -
BKF AR15 16″ Govt 5.56 Nato Mid length 1/7 Twist Barrel W/ 13.5″ Slim M-LOK Handguard (BKF W/ Pinned Gas Block)
$324.99$269.995 in stock -
BKF AR15 Govt 12.5″ 5.56 Nato Carbine length 1/7 Twist Barrel W/ 13.5″ Slim M-LOK Rail W/ KAK Flash Can (BKF W/ Pinned Gas Block)
$319.99$274.995 in stock -
BKF AR15 Govt 12.5″ 5.56 Nato Carbine length 1/7 Twist Barrel W/ 11.5″ FFSSR M-LOK Handguard (BKF W/ Pinned Gas Block)
$319.99$274.997 in stock -
BKF AR15 16″ Govt 5.56 Nato Mid length 1/7 Twist Barrel W/ 15″ Slim M-LOK Handguard (BKF W/ Pinned Gas Block)
$324.99$274.995 in stock -
BKF AR15 Govt 12.5″ 5.56 Nato Carbine length 1/7 Twist Barrel W/ 11.5″ FFSSR M-LOK Handguard (Ballistic Advantage)
$319.99$279.99Out of stock -
BKF AR15 Govt 12.5″ 5.56 Nato Carbine length 1/7 Twist Barrel W/ 13.5″ Slim M-LOK Rail W/ KAK Flash Can (Ballistic Advantage)
$319.99$279.99Out of stock -
BKF AR15 10.5″ 5.56 Nato 1/7 Twist QPQ Barrel W/ 11.5″ FFSSR M-LOK Rail W/ KAK Flash Can (BKF W/ Pinned Gas Block)
$319.99$279.995 in stock -
BKF AR15 Govt 12.5″ 5.56 Nato Carbine length 1/7 Twist Barrel W/ 13.5″ Slim FFSSR M-LOK Rail W/ KAK Flash Can (BKF W/ Pinned Gas Block)
$339.99$284.992 in stock -
BKF AR15 14.5″ Govt 5.56 Nato Mid length 1/7 Twist Barrel W/ 13.5″ FFSSR M-LOK Handguard (BKF W/ Pinned Gas Block)
$319.99$284.995 in stock -
BKF AR15 16″ Govt 5.56 Nato Mid length 1/7 Twist Barrel W/ 15.5″ FFSSR Handguard (Ballistic Advantage)
$324.99$289.9910 in stock -
BKF AR15 16″ 5.56 Nato Mid length 1/8 Twist Gunner Barrel W/ 13.5″ Slim M-LOK Handguard (Faxon)
$324.99$289.992 in stock -
BKF AR15 16″ Govt 5.56 Nato Mid length 1/7 Twist Barrel W/ 15.5″ FFSSR Handguard (BKF W/ Pinned Gas Block)
$324.99$289.995 in stock -
BKF AR15 10.5″ 5.56 Nato 1/7 Twist QPQ Barrel W/ 11.5″ FFSSR M-LOK Rail W/ KAK Flash Can (Ballistic Advantage)
$319.99$294.995 in stock -
BKF AR15 Govt 12.5″ 5.56 Nato Carbine length 1/7 Twist Barrel W/ 13.5″ Slim FFSSR M-LOK Rail W/ KAK Flash Can (Ballistic Advantage)
$339.99$294.99Out of stock -
BKF AR15 18″ SPR 5.56 Nato Rifle length 1/7 Twist Barrel W/ 17.5″ Slim FFSSR M-LOK Handguard (Ballistic Advantage)
$349.00$299.995 in stock -
BKF AR15 20″ Govt 5.56 Nato Rifle length 1/7 Twist Barrel W/ 17.5″ Slim FFSSR M-LOK Handguard (Ballistic Advantage)
$359.00$299.995 in stock -
BKF AR15 11.5″ 5.56 Nato 1/8 Twist QPQ GUNNER Barrel W/ 11.5″ FFSSR M-LOK Rail W/ KAK Mirco Flash Can (Faxon)
$349.99$299.991 in stock -
BKF AR15 16″ Govt 5.56 Nato Mid length 1/7 Twist Barrel W/ 17.5″ FFSSR Handguard W/ KAK Flash Can (BKF W/ Pinned Gas Block)
$349.99$299.995 in stock -
BKF AR15 18″ 5.56 Nato Rifle length 1/8 Twist Gunner Barrel W/ 15″ Slim M-LOK Handguard (Faxon)
$349.99$305.991 in stock -
BKF AR15 14.5″ Pinned To 16″ Govt 5.56 Nato Mid length 1/7 Twist Barrel W/ 13.5″ Slim M-LOK Handguard (BKF W/ Pinned Gas Block)
$369.99$309.995 in stock -
BKF AR15 20″ 5.56 Nato Rifle length 1/8 Twist Gunner Barrel W/ 15″ Slim M-LOK Handguard (Faxon)
$379.99$319.991 in stock -
BKF AR15 10.5″ 5.56 Govt Nato Carbine length 1/7 Twist Barrel W/ 9.25″ Midwest G3M Handguard (BKF W/ Pinned Gas Block)
$409.99$324.999 in stock -
BKF AR15 10.5″ 5.56 Govt Nato Carbine length 1/7 Twist Barrel W/ 9.5″ Midwest Combat Handguard (BKF W/ Pinned Gas Block)
$409.99$324.999 in stock -
BKF AR15 14.5″ Pinned To 16″ Govt 5.56 Nato Mid length 1/7 Twist Barrel W/ 13.5″ FFSSR M-LOK Handguard (BKF W/ Pinned Gas Block)
$389.99$329.995 in stock -
BKF AR15 Govt 12.5″ 5.56 Nato Carbine length 1/7 Twist Barrel W/ 10.5″ Midwest G3M Handguard (BKF W/ Pinned Gas Block)
$419.99$334.993 in stock -
BKF AR15 Govt 12.5″ 5.56 Nato Carbine length 1/7 Twist Barrel W/ 10.5″ Midwest Combat Handguard (BKF W/ Pinned Gas Block)
$419.99$334.995 in stock -
BKF AR15 16″ Govt 5.56 Nato Mid length 1/7 Twist Barrel W/ 12.625″ Midwest G3M Handguard (BKF W/ Pinned Gas Block)
$404.99$344.994 in stock -
BKF AR15 14.5″ 5.56 Nato Gunner Mid length 1/8 Twist W/ 13.5″ Slim FFSSR M-LOK (pinned and welded Slim brake) (Faxon)
$439.99$349.99Out of stock -
Luth AR 16″ 5.56nato Lightweight Barrel Complete Upper Receiver W- BCG and CH
$399.95$359.9512 in stock -
BKF AR15 16″ Govt 5.56 Nato Mid length 1/7 Twist Barrel W/ 15″ Midwest G3M Handguard (BKF W/ Pinned Gas Block)
$424.99$364.995 in stock -
BKF AR15 16″ Govt 5.56 Nato Mid length 1/7 Twist Barrel W/ 15″ Midwest Combat Handguard (BKF W/ Pinned Gas Block)
$424.99$364.995 in stock -
BKF AR15 10.5″ 5.56 Govt Nato Carbine length 1/7 Twist Barrel W/ 9.5″ Geissele MK13 Handguard (BKF W/ Pinned Gas Block)
$499.99$399.995 in stock -
BKF AR15 10.5″ 5.56 Govt Nato Carbine length 1/7 Twist Barrel W/ 9.5″ Geissele MK14 Handguard (BKF W/ Pinned Gas Block)
$499.99$399.994 in stock -
Luth AR 16″ 5.56 Nato Bull Barrel Complete Upper Receiver W- BCG and CH
$455.85$410.2721 in stock -
Luth AR 18″ 5.56 NatoBull Barrel Complete Upper Receiver W- BCG and CH
$460.55$414.5017 in stock -
Luth AR 24″ 5.56 Nato Bull Barrel Complete Upper Receiver W- BCG and CH
$499.95$449.954 in stock -
BKF AR15 MOD-1 10.5″ 5.56 Govt Nato Carbine length 1/7 Twist Barrel W/ 9.5″ Geissele MK14 Handguard (BKF W/ Pinned Gas Block)
$599.99$449.995 in stock -
BKF AR15 MOD-1 10.5″ 5.56 Govt Nato Carbine length 1/7 Twist Barrel W/ 9.5″ Geissele MK13 Handguard (BKF W/ Pinned Gas Block)
$599.99$449.995 in stock -
BKF AR15 MOD-1 10.5″ 5.56 Govt Nato Carbine length 1/7 Twist Barrel W/ 9.5″ Geissele MK8 Handguard (BKF W/ Pinned Gas Block)
$599.99$449.995 in stock -
BKF AR15 MOD-1 10.5″ 5.56 Govt Nato Carbine length 1/7 Twist Barrel W/ 9.5″ Geissele MK4 Handguard (BKF W/ Pinned Gas Block)
$599.99$449.995 in stock -
BKF AR15 MOD-1 14.5″ 5.56 Govt Nato Mid length 1/7 Twist Barrel W/ 13.5″ Geissele MK8 Handguard (BKF W/ Pinned Gas Block)
$589.99$449.995 in stock -
BKF AR15 MOD-1 14.5″ 5.56 Govt Nato Mid length 1/7 Twist Barrel W/ 13.5″ Geissele MK4 Handguard (BKF W/ Pinned Gas Block)
$589.99$449.995 in stock -
BKF AR15 MOD-1 14.5″ 5.56 Govt Nato Mid length 1/7 Twist Barrel W/ 13.5″ Geissele MK14 Handguard (BKF W/ Pinned Gas Block)
$589.99$449.995 in stock -
BKF AR15 MOD-1 14.5″ 5.56 Govt Nato Mid length 1/7 Twist Barrel W/ 13.5″ Geissele MK13 Handguard (BKF W/ Pinned Gas Block)
$589.99$449.995 in stock -
BKF AR15 MOD-1 14.5″ Pinned FH To 16″ 5.56 Govt Nato Mid length 1/7 Twist Barrel W/ 13.5″ Geissele MK14 Handguard (BKF W/ Pinned Gas Block)
$599.99$479.995 in stock -
BKF AR15 MOD-1 14.5″ Pinned MB To 16″ 5.56 Govt Nato Mid length 1/7 Twist Barrel W/ 13.5″ Geissele MK14 Handguard (BKF W/ Pinned Gas Block)
$599.99$479.995 in stock -
BKF AR15 MOD-1 14.5″ Pinned MB To 16″ 5.56 Govt Nato Mid length 1/7 Twist Barrel W/ 13.5″ Geissele MK4 Handguard (BKF W/ Pinned Gas Block)
$599.99$479.995 in stock -
BKF AR15 MOD-1 14.5″ Pinned FH To 16″ 5.56 Govt Nato Mid length 1/7 Twist Barrel W/ 13.5″ Geissele MK4 Handguard (BKF W/ Pinned Gas Block)
$599.99$479.995 in stock -
BKF AR15 MOD-1 14.5″ Pinned MB To 16″ 5.56 Govt Nato Mid length 1/7 Twist Barrel W/ 13.5″ Geissele MK13 Handguard (BKF W/ Pinned Gas Block)
$599.99$479.995 in stock -
BKF AR15 MOD-1 14.5″ Pinned FH To 16″ 5.56 Govt Nato Mid length 1/7 Twist Barrel W/ 13.5″ Geissele MK13 Handguard (BKF W/ Pinned Gas Block)
$599.99$479.995 in stock -
BKF AR15 MOD-1 14.5″ Pinned FH To 16″ 5.56 Govt Nato Mid length 1/7 Twist Barrel W/ 13.5″ Geissele MK8 Handguard (BKF W/ Pinned Gas Block)
$599.99$479.995 in stock -
BKF AR15 MOD-1 14.5″ Pinned MB To 16″ 5.56 Govt Nato Mid length 1/7 Twist Barrel W/ 13.5″ Geissele MK8 Handguard (BKF W/ Pinned Gas Block)
$599.99$479.995 in stock -
BKF AR15 MOD-1 16″ 5.56 Govt Nato Mid length 1/7 Twist Barrel W/ 15″ Geissele MK13 Handguard (BKF W/ Pinned Gas Block)
$629.99$489.995 in stock -
BKF AR15 MOD-1 16″ 5.56 Govt Nato Mid length 1/7 Twist Barrel W/ 15″ Geissele MK14 Handguard (BKF W/ Pinned Gas Block)
$629.99$489.995 in stock -
BKF AR15 MOD-1 16″ 5.56 Govt Nato Mid length 1/7 Twist Barrel W/ 15″ Geissele MK4 Handguard (BKF W/ Pinned Gas Block)
$629.99$489.995 in stock -
BKF AR15 MOD-1 16″ 5.56 Govt Nato Mid length 1/7 Twist Barrel W/ 15″ Geissele MK8 Handguard (BKF W/ Pinned Gas Block)
$629.99$489.995 in stock -
Troy Gau Upper 12.25″ 5.56 Black
$570.85$513.7615 in stock -
Spike’s 5.56nato Upper 16″ Chf-fsp
$637.50$573.752 in stock -
Spike’s 5.56nato M4 Le Upper W-rail
$730.31$657.284 in stock -
Black Rain Spec15 Upper 16″ 5.56 Socom
$767.50$690.757 in stock -
Colt M4 Upper 5.56 16.1″ Black
$829.00Out of stock -
Colt Le6921 Upper 5.56nato 14.5″
$829.00Out of stock -
Spike’s 5.56 Upper 14.5″pb Rail-dyn
$977.81$880.031 in stock -
Phase5 Mlok complete Upper 5.56 16″ Black
$1,049.00$944.10Out of stock -
10% OFF IN CARTDaniel Defense M4v11 Lw Upper Urg 16″ 5.56nato
$1,016.001 in stock -
10% OFF IN CARTDaniel Defense M4v7s Upper Urg 11.5″ 5.56nato
$1,016.25Out of stock -
10% OFF IN CARTDaniel Defense M4v7 Upper 5.56 16″ Mlok Black
$1,016.25Out of stock -
10% OFF IN CARTDaniel Defense M4v11 Upper Urg 16″ 5.56nato
$1,016.25Out of stock -
10% OFF IN CARTDaniel Defense M4 V9 Upper Urg 16″ 556nato 15.0
$1,109.00Out of stock -
10% OFF IN CARTDaniel Defense Mk18 Urg Upper 5.56 10.3″ Black
$1,180.00Out of stock -
10% OFF IN CARTDaniel Defense Mk18 Urg Upper 5.56 10.3″ Fde
$1,180.00Out of stock -
10% OFF IN CARTDaniel Defense M4a1 Upper Urg 14.5″pb 5.56 Fde
$1,252.50Out of stock -
Colt Le6943 Upper 5.56nato 11.5″
$1,329.00Out of stock -
Kac Upper Rcvr Sr-15 E3 16 Urx4 Mlok
$1,713.6026 in stock -
Kac Upper Receiver Sr-15 Carbine 14.5″ Mlok 5.56 Nato
$1,776.605 in stock -
Kac Upper Receiver Sr-15 Cqb 11.5″ Mlok 5.56 Nato
$1,776.60Out of stock