![AR-15 5.56 10.5'' Barrel W/ 10'' 12'' Keymod Handguard option | Pistol Upper Build UPK11 [ASSEMBLED]](https://outdoorsportsusa.com/image/cache/catalog/demo/UPPER%20KIT-11-FKM-SBNV2/UPK-11-AR15P-51622-1000x1000.jpg "AR-15 5.56 10.5'' Barrel W/ 10'' 12'' Keymod Handguard option | Pistol Upper Build UPK11 [ASSEMBLED]")
![AR-15 5.56 10.5'' Barrel W/ 10'' 12'' Keymod Handguard option | Pistol Upper Build UPK11 [ASSEMBLED]](https://outdoorsportsusa.com/image/cache/catalog/demo/UPPER%20KIT-11-FKM-SBNV2/AR-556-10-5-Barrel-W-10-12-Keymod%20Handguard-option-Pistol-Upper-Build-ASSEMBLED(1)-1000x1000.jpg "AR-15 5.56 10.5'' Barrel W/ 10'' 12'' Keymod Handguard option | Pistol Upper Build UPK11 [ASSEMBLED]")
-33 %
AR-15 5.56 10.5'' Barrel W/ 10'' 12'' Keymod Handguard option | Pistol Upper Build UPK11 [ASSEMBLED]
AR-15 Ultra Slim Keymod Handguard V2 W/Steel
Barrel Nut 10" 12"BCA 10.5" 5.56 Pistol Barrel W/Carbine
Gas System | Made in U.S.A.AR-15 Krinkov Muzzle Flash Can BrakeAR-15 Mil-Spec Upper Receiver | Made in U.S.A.AR-15 Tactical..
$279.99 $419.99
![AR-15 .223/5.56 7.5'' Barrel 7'' M-LOK Handguard | Pistol Upper Build UPK59 [ASSEMBLED]](https://outdoorsportsusa.com/image/cache/catalog/demo/UPK-59-AR15P/UPK-59-AR15P-51622-1000x1000.jpg "AR-15 .223/5.56 7.5'' Barrel 7'' M-LOK Handguard | Pistol Upper Build UPK59 [ASSEMBLED]")
![AR-15 .223/5.56 7.5'' Barrel 7'' M-LOK Handguard | Pistol Upper Build UPK59 [ASSEMBLED]](https://outdoorsportsusa.com/image/cache/catalog/demo/UPK-59-AR15P/AR-15-223-556-7-5-Barrel-7-%20M-LOK-Handguard-Pistol-Upper-Build-UPK59-ASSEMBLED(1)-1000x1000.jpg "AR-15 .223/5.56 7.5'' Barrel 7'' M-LOK Handguard | Pistol Upper Build UPK59 [ASSEMBLED]")
-37 %
AR-15
M-LOK 7" Super Slim Hybrid Free Float Handguard "C" Cut | Black7.5" 5.56 NATO 1:7 Twist Stainless Steel
Pistol Barrel | Made in U.S.A.AR-15 Booster Flash Hider 1/2x28" Thread
Pitch Muzzle BreakAR-15 Billet Stripped Mod 1 Upper Receiver ..
$379.99 $599.99
![AR-15 5.56 16'' Barrel W/ 12'' 15'' Keymod Handguard option | Carbine Upper Build UPK5 [ASSEMBLED]](https://outdoorsportsusa.com/image/cache/catalog/demo/UPPER%20KIT-5-KFC/FREE-UPK-5-AR15C-1000x1000.jpg "AR-15 5.56 16'' Barrel W/ 12'' 15'' Keymod Handguard option | Carbine Upper Build UPK5 [ASSEMBLED]")
![AR-15 5.56 16'' Barrel W/ 12'' 15'' Keymod Handguard option | Carbine Upper Build UPK5 [ASSEMBLED]](https://outdoorsportsusa.com/image/cache/catalog/demo/UPPER%20KIT-5-KFC/RS-MP-FREE-1000x1000.jpg "AR-15 5.56 16'' Barrel W/ 12'' 15'' Keymod Handguard option | Carbine Upper Build UPK5 [ASSEMBLED]")
-43 %
AR-15 Keymod Free Float Hand Guard
W/Detachable Rails 12" 15"BCA 16" 5.56 Nato 1:8 Twist Rifle Barrel
| Nitride | Made in U.S.A.AR-15 1/2x28 Birdcage Muzzle Brake W/Crush
WasherAR-15 Mil-Spec Upper Receiver | Made in U.S.A...
$259.99 $459.99
![AR-15 .223/5.56 10.5" Barrel 10" Cerakote Purple Keymod Handguard | Pistol Upper Build UPK58 [ASSEMBLED]](https://outdoorsportsusa.com/image/cache/catalog/demo/UPK-58-AR15P/AR-15-223-556-10-5-Barrel-10-Cerakote-Purple-Keymod-Handguard-Pistol-Upper-Build-UPK58-ASSEMBLED(1-)-1000x1000.jpg "AR-15 .223/5.56 10.5\" Barrel 10\" Cerakote Purple Keymod Handguard | Pistol Upper Build UPK58 [ASSEMBLED]")
![AR-15 .223/5.56 10.5" Barrel 10" Cerakote Purple Keymod Handguard | Pistol Upper Build UPK58 [ASSEMBLED]](https://outdoorsportsusa.com/image/cache/catalog/demo/UPK-58-AR15P/AR-15-223-556-10-5-Barrel-10-Cerakote-Purple-Keymod-Handguard-Pistol-Upper-Build-UPK58-ASSEMBLED(2)-1000x1000.jpg "AR-15 .223/5.56 10.5\" Barrel 10\" Cerakote Purple Keymod Handguard | Pistol Upper Build UPK58 [ASSEMBLED]")
-32 %
Cerakote Purple | AR-15 Ultra Slim Keymod
Handguards W/Steel Barrel Nut 10"BCA 10.5" 5.56 Pistol Barrel W/Carbine
Gas System | Made in U.S.A.AR-15 Multi Ported Compensator Upsilon Muzzle
BrakeCerakote Purple | AR-15 Mil-Spec Upper
Receiver |..
$359.99 $529.99
![AR-15 16'' Stainless Barrel W/ 12'' 15'' M-LOK Handguard option | Side Charging Upper Build UPK61 [ASSEMBLED]](https://outdoorsportsusa.com/image/cache/catalog/demo/UPK-61-AR15C-SIDE-CHARGING/UPK-61-AR15C-SIDE-CHARGING-OUTDOORSPORTS-USA-ASSEMBLED-UPPER-CUSTOM%20(1)-1000x1000.jpg "AR-15 16'' Stainless Barrel W/ 12'' 15'' M-LOK Handguard option | Side Charging Upper Build UPK61 [ASSEMBLED]")
![AR-15 16'' Stainless Barrel W/ 12'' 15'' M-LOK Handguard option | Side Charging Upper Build UPK61 [ASSEMBLED]](https://outdoorsportsusa.com/image/cache/catalog/demo/UPK-61-AR15C-SIDE-CHARGING/UPK-61-AR15C-SIDE-CHARGING-OUTDOORSPORTS-USA-ASSEMBLED-UPPER-CUSTOM%20(3)-1000x1000.jpg "AR-15 16'' Stainless Barrel W/ 12'' 15'' M-LOK Handguard option | Side Charging Upper Build UPK61 [ASSEMBLED]")
-29 %
FMLUS-D | Handguard OptionAR-15 Angle Cut Clamp on M-LOK Handguard 12" 15" | Made in U.S.A.16'' 5.56 NATO 1:8 Twist Stainless Steel Barrel | Made in U.S.A AR-15 10 Baffles Muzzle Brake W/Crush WasherAR-15 Complete Side Charging Upper Receiver Assembly | Made in USAAR-15 Lower ..
$499.99 $699.99
![AR-15 .223/5.56 7.5'' Barrel 7'' M-LOK Handguard | Pistol Upper Build UPK60 [ASSEMBLED]](https://outdoorsportsusa.com/image/cache/catalog/demo/UPK-60-AR15P/AR-15-223-556-7-5-Barrel-7-M-LOK-Handguard-Pistol-Upper-Build-UPK60-ASSEMBLED(1)-1000x1000.jpg "AR-15 .223/5.56 7.5'' Barrel 7'' M-LOK Handguard | Pistol Upper Build UPK60 [ASSEMBLED]")
![AR-15 .223/5.56 7.5'' Barrel 7'' M-LOK Handguard | Pistol Upper Build UPK60 [ASSEMBLED]](https://outdoorsportsusa.com/image/cache/catalog/demo/UPK-60-AR15P/AR-15-223-556-7-5-Barrel-7-M-LOK-Handguard-Pistol-Upper-Build-UPK60-ASSEMBLED(2)-1000x1000.jpg "AR-15 .223/5.56 7.5'' Barrel 7'' M-LOK Handguard | Pistol Upper Build UPK60 [ASSEMBLED]")
-36 %
AR-15 M-LOK 7" Free Float Custom
Handguard with "D" Cut | Black7.5" 5.56 NATO 1:7 Twist Stainless Steel
Pistol Barrel | Made in U.S.A.AR-15 Muzzle Diverter Steel Flash Can Black
W/Jam NutAR-15 Billet Stripped Mod 1 Upper Receiver |
Made in U.S.A.AR-15 T..
$379.99 $589.99
![AR-15 5.56 7.5'' Barrel 7'' Quad Rail Handguard | Pistol Upper Build UPK23 [ASSEMBLED]](https://outdoorsportsusa.com/image/cache/catalog/demo/UPK-23-AR15P/AR-223-7-5-Barrel-7-Quad-Rail-Handguard-Pistol-Upper-Build-ASSEMBLED(1-)-1000x1000.jpg "AR-15 5.56 7.5'' Barrel 7'' Quad Rail Handguard | Pistol Upper Build UPK23 [ASSEMBLED]")
![AR-15 5.56 7.5'' Barrel 7'' Quad Rail Handguard | Pistol Upper Build UPK23 [ASSEMBLED]](https://outdoorsportsusa.com/image/cache/catalog/demo/UPK-23-AR15P/AR-223-7-5-Barrel-7-Quad-Rail-Handguard-Pistol-Upper-Build-ASSEMBLED(2)-1000x1000.jpg "AR-15 5.56 7.5'' Barrel 7'' Quad Rail Handguard | Pistol Upper Build UPK23 [ASSEMBLED]")
-32 %
AR-15 Free Float Quad Rail Handguard 7"5.56 NATO 7.5" 1:7 Twist -Black Nitride | Made in USAAR-15 1/2x28 Birdcage Muzzle Brake W/Crush
WasherAR-15 Mil-Spec Upper Receiver | Made in U.S.A.AR-15 Tactical Rifle Charging Handle Assembly..
$279.99 $409.99
![AR-15 5.56 7.5'' Barrel 7'' Quad Rail Handguard | USA Flag | Pistol Upper Build UPK29 [ASSEMBLED]](https://outdoorsportsusa.com/image/cache/catalog/demo/UPK-29-AR15P/AR-15-556-7-5-Barrel-7-Quad-Rail-Handguard-USA-Flag-Pistol-Upper-Build-ASSEMBLED(1)-1000x1000.jpg "AR-15 5.56 7.5'' Barrel 7'' Quad Rail Handguard | USA Flag | Pistol Upper Build UPK29 [ASSEMBLED]")
![AR-15 5.56 7.5'' Barrel 7'' Quad Rail Handguard | USA Flag | Pistol Upper Build UPK29 [ASSEMBLED]](https://outdoorsportsusa.com/image/cache/catalog/demo/UPK-29-AR15P/AR-15-556-7-5-Barrel-7-Quad-Rail-Handguard-USA-Flag-Pistol-Upper-Build-ASSEMBLED(5-)-1000x1000.jpg "AR-15 5.56 7.5'' Barrel 7'' Quad Rail Handguard | USA Flag | Pistol Upper Build UPK29 [ASSEMBLED]")
-42 %
AR-15 Free Float Quad Rail Handguard 7"5.56 NATO 7.5" 1:7 Twist -Black Nitride | Made in USAAR-15 1/2x28 Birdcage Muzzle Brake W/Crush
WasherAR-15 Mil-Spec Upper Receiver | Made in U.S.A.AR-15 Tactical Rifle Charging Handle Assembly..
$259.99 $449.99
![AR-15 5.56 7.5'' Barrel 7'' M-LOK Handguard | Pistol Upper Build UPK37 [ASSEMBLED]](https://outdoorsportsusa.com/image/cache/catalog/demo/UPPER%20KIT-37-FSSM07/AR-556-7-5-%20Barrel-7-M-LOK-Handguard-Pistol-Upper-Build-ASSEMBLED(1)-1000x1000.jpg "AR-15 5.56 7.5'' Barrel 7'' M-LOK Handguard | Pistol Upper Build UPK37 [ASSEMBLED]")
![AR-15 5.56 7.5'' Barrel 7'' M-LOK Handguard | Pistol Upper Build UPK37 [ASSEMBLED]](https://outdoorsportsusa.com/image/cache/catalog/demo/UPPER%20KIT-37-FSSM07/AR-556-7-5-%20Barrel-7-M-LOK-Handguard-Pistol-Upper-Build-ASSEMBLED(2)-1000x1000.jpg "AR-15 5.56 7.5'' Barrel 7'' M-LOK Handguard | Pistol Upper Build UPK37 [ASSEMBLED]")
-47 %
AR-15 M-LOK Super Slim Free Float Handguard
with Steel Barrel Nut 7"5.56 NATO 7.5" 1:7 Twist -Black Nitride | Made in USAAR-15 Multi Ported Flash Suppressor Muzzle Brake
W/Crush WasherAR-15 Mil-Spec Upper Receiver | Made in U.S.A.AR-15 Ta..
$239.99 $449.99
![AR-15 5.56 7.5'' Stainless Steel Barrel 10'' Keymod Handguard | Pistol Upper Build UPK27 [ASSEMBLED]](https://outdoorsportsusa.com/image/cache/catalog/demo/UPK-27-AR15P/AR-556-7-5-Stainless-Steel-Barrel-10-Keymod-Handguard-Pistol-Upper-Build-ASSEMBLED(1)-1000x1000.jpg "AR-15 5.56 7.5'' Stainless Steel Barrel 10'' Keymod Handguard | Pistol Upper Build UPK27 [ASSEMBLED]")
![AR-15 5.56 7.5'' Stainless Steel Barrel 10'' Keymod Handguard | Pistol Upper Build UPK27 [ASSEMBLED]](https://outdoorsportsusa.com/image/cache/catalog/demo/UPK-27-AR15P/AR-556-7-5-Stainless-Steel-Barrel-10-Keymod-Handguard-Pistol-Upper-Build-ASSEMBLED(2--)-1000x1000.jpg "AR-15 5.56 7.5'' Stainless Steel Barrel 10'' Keymod Handguard | Pistol Upper Build UPK27 [ASSEMBLED]")
-40 %
AR-15 5.56 7.5'' Stainless Steel Barrel 10'' Keymod Handguard | Pistol Upper Build UPK27 [ASSEMBLED]
AR-15 Ultra Slim Keymod Handguard 10"7.5" 5.56 NATO 1:7 Twist | Stainless
Steel | Made in U.S.A. AR-15 Krinkov Muzzle Flash Can BrakeAR-15 Mil-Spec Upper Receiver | Made in U.S.A.AR-15 Tactical Rifle Charging Handle Assem..
$279.99 $469.99
![AR-15 5.56 16'' Barrel W/ 10'' 12'' 15'' Keymod Handguard option | Carbine Upper Build UPK2 [ASSEMBLED]](https://outdoorsportsusa.com/image/cache/catalog/demo/UPPER%20KIT-2-FKM-SBNV2/AR-556-16-Barre-W-10-12-15-Keymod-Handguard-option-Carbine-Upper-Build-ASSEMBLED(1)-1000x1000.jpg "AR-15 5.56 16'' Barrel W/ 10'' 12'' 15'' Keymod Handguard option | Carbine Upper Build UPK2 [ASSEMBLED]")
![AR-15 5.56 16'' Barrel W/ 10'' 12'' 15'' Keymod Handguard option | Carbine Upper Build UPK2 [ASSEMBLED]](https://outdoorsportsusa.com/image/cache/catalog/demo/UPPER%20KIT-2-FKM-SBNV2/AR-556-16-Barre-W-10-12-15-Keymod-Handguard-option-Carbine-Upper-Build-ASSEMBLED(2)-1000x1000.jpg "AR-15 5.56 16'' Barrel W/ 10'' 12'' 15'' Keymod Handguard option | Carbine Upper Build UPK2 [ASSEMBLED]")
-45 %
AR-15 Ultra Slim Keymod Handguard 10" 12"
15"BCA 16" 5.56 Nato 1:8 Twist Rifle Barrel
| Nitride | Made in U.S.A.AR-15 1/2x28 Birdcage Muzzle Brake W/Crush
WasherAR-15 Mil-Spec Upper Receiver | Made in U.S.A.AR-15 Tactical ..
$229.99 $419.99
![AR-15 5.56 16'' Barrel W/ 10'' 12'' 15'' Quad Rail Handguard option | Carbine Upper Build UPK15 [ASSEMBLED]](https://outdoorsportsusa.com/image/cache/catalog/demo/UPPER%20KIT-15-FFAR-O/AR-15-556-16-Barrel-W-10-12-15-Quad%20Rail-Handguard-option-Carbine-Upper-Build-ASSEMBLED(1)-1000x1000.jpg "AR-15 5.56 16'' Barrel W/ 10'' 12'' 15'' Quad Rail Handguard option | Carbine Upper Build UPK15 [ASSEMBLED]")
![AR-15 5.56 16'' Barrel W/ 10'' 12'' 15'' Quad Rail Handguard option | Carbine Upper Build UPK15 [ASSEMBLED]](https://outdoorsportsusa.com/image/cache/catalog/demo/UPPER%20KIT-15-FFAR-O/AR-15-556-16-Barrel-W-10-12-15-Quad%20Rail-Handguard-option-Carbine-Upper-Build-ASSEMBLED(3)-1000x1000.jpg "AR-15 5.56 16'' Barrel W/ 10'' 12'' 15'' Quad Rail Handguard option | Carbine Upper Build UPK15 [ASSEMBLED]")
-54 %
Eagle Lite Inc. Extended Length One Piece
Free Float Rail 10" 12" 15"BCA 16" 5.56 Nato 1:8 Twist Rifle Barrel
| Nitride | Made in U.S.A.AR-15 1/2x28 Birdcage Muzzle Brake W/Crush
WasherAR-15 Mil-Spec Upper Receiver | Made in U.S.A...
$229.99 $499.99
![AR-15 5.56 16'' Barrel W/ 10'' 12'' Keymod Handguard option | Carbine Upper Build UPK20 [ASSEMBLED]](https://outdoorsportsusa.com/image/cache/catalog/demo/UPPER%20KIT-20-FFKM-45HSBN/AR-556-16-Barrel-W-10-12-Keymod-Handguard-option-Carbine-Upper-Build-ASSEMBLED(1)-1000x1000.jpg "AR-15 5.56 16'' Barrel W/ 10'' 12'' Keymod Handguard option | Carbine Upper Build UPK20 [ASSEMBLED]")
![AR-15 5.56 16'' Barrel W/ 10'' 12'' Keymod Handguard option | Carbine Upper Build UPK20 [ASSEMBLED]](https://outdoorsportsusa.com/image/cache/catalog/demo/UPPER%20KIT-20-FFKM-45HSBN/AR-556-16-Barrel-W-10-12-Keymod-Handguard-option-Carbine-Upper-Build-ASSEMBLED(3)-1000x1000.jpg "AR-15 5.56 16'' Barrel W/ 10'' 12'' Keymod Handguard option | Carbine Upper Build UPK20 [ASSEMBLED]")
-40 %
AR-15 Super Slim Keymod Free Float Handguard
223 556 W/Steel Barrel Nut 10" 12"BCA 16" 5.56 Nato 1:8 Twist Rifle Barrel
| Nitride | Made in U.S.A.AR-15 1/2x28 Birdcage Muzzle Brake W/Crush
WasherAR-15 Mil-Spec Upper Receiver | Made in U.S.A.
..
$249.99 $419.99
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