Lwrc
LWRC IC-A5 Flat Dark Earth 5.56mm 10.5-inch
$2480.99Get the best deal on the LWRC IC A5 SBR Upper ICA5U5CK10S 5.56 / .223 Rem 10.5 Uppers at GrabAGun.com. Get the best deal…
Uppers
201 products
Luth-Ar
Luth-AR A1 Stripped Upper Receiver With M4 Feed Ramp
$149.99Get the best deal on the Luth-AR A1 Stripped Upper Receiver UR-01-E3-M4 Uppers at GrabAGun.com. Get the best deals on Up…
Luth-Ar
Luth-AR AR-15 A1 Upper Receiver Assembled
$189.99Get the best deal on the Luth-AR AR-15 A1 Upper Receiver Assembled UR-01A Uppers at GrabAGun.com. Get the best deals on …
Luth-Ar
Luth-AR A3 Upper Receiver Assembled
$119.99Get the best deal on the Luth-AR A3 Upper Receiver Assembled FTT-EA1 .223 Rem Uppers at GrabAGun.com. Get the best deals…
Luth-Ar
Luth-AR AR-15 A1 Stripped Upper Receiver
$152.99Get the best deal on the Luth-AR AR-15 A1 Stripped Upper Receiver UR-01-E3 Uppers at GrabAGun.com. Get the best deals on…
Luth-Ar
Luth-AR AR 308 A3 Stripped Upper Receiver .308 Win
$150.35Get the best deal on the Luth-AR A3 Stripped Upper Receiver 308-FTT-EA .308 Win Uppers at GrabAGun.com. Get the best dea…
Luth-Ar
Luth-AR .308 A3 Assembled Upper Receiver with Charging Handle
$190.99Get the best deal on the Luth-AR A3 Assembled Upper Receiver 308-FTT-EA1 .308 Win Uppers at GrabAGun.com. Get the best d…
Luth-Ar
Luth-AR AR-15 Lightweight Upper Receiver 5.56 NATO 16 Barrel
$399.99Get the best deal on the Luth-AR Lightweight Upper Receiver BAA3-L16 5.56 / .223 Rem 16 Uppers at GrabAGun.com. Get the …
Luth-Ar
Luth-AR AR-15 .223 Complete Upper Assembly 24 Barrel
$489.99Get the best deal on the Luth-AR Complete Upper Assembly FTBL-B24 .223 Rem 24 Uppers at GrabAGun.com. Get the best deals…
Lmt Defense
LMT Defense MRP-L Quad Assembled Upper Receiver 5.56/300 BLK 13.25
$912.60Get the best deal on the LMT Defense MRP-L Quad Assembled Upper Receiver L7RA1A 5.56 N/A Uppers at GrabAGun.com. Get the…
Lmt Defense
LMT Defense MRP-L Quad Assembled Upper Receiver 5.56/.300 Blackout
$864.00Get the best deal on the LMT Defense MRP-L Quad Assembled Upper Receiver L7S1A 5.56 N/A Uppers at GrabAGun.com. Get the …
Lmt Defense
LMT Defense MRP-L M-LOK SPECWAR Assembled Upper 5.56
$912.60Get the best deal on the LMT Defense MRP-L M-LOK SPECWAR L7Z1A 5.56 N/A Uppers at GrabAGun.com. Get the best deals on Up…
Lmt Defense
LMT Defense MRP-H M-LOK Upper Black 7.62 X 51
$1146.60Get the best deal on the LMT Defense MRP-H M-LOK Upper LM308BML1 7.62 X 51 N/A Uppers at GrabAGun.com. Get the best deal…
Lbe Unlimited
LBE Upper with Forward Assist and Dust Cover
$119.99Get the best deal on the LBE Unlimited ARUPPER ARUPPER Uppers at GrabAGun.com. Get the best deals on Uppers for sale onl…
Lantac
LanTac SF15 Recon Complete Upper .223 Wylde 16 Barrel
$1148.99Get the best deal on the LanTac SF15 Recon Complete Upper 01-FA-223-RECON-UPR .223 Wylde 16 Uppers at GrabAGun.com. Get …
Lantac
LanTac SF 15 Patrol Complete Upper .300 AAC Blackout 14.5 Barrel
$1175.49Get the best deal on the LanTac SF 15 Patrol Complete Upper 01-FA-300-PATROL-UP .300 AAC Blackout 14.5 Uppers at GrabAGu…
Lantac
LanTac Upper Standard Receiver 5.56 NATO / .223 Rem M4 Feed Ramps for AR-15
$139.99Get the best deal on the LanTac Upper Standard Receiver 01-RV-UP-USR-SF15 5.56 / .223 Rem Uppers at GrabAGun.com. Get th…
Lantac
LanTac Upper Advanced Receiver Anodized Billet
$229.99Get the best deal on the LanTac Upper Advanced Receiver LA00221 Uppers at GrabAGun.com. Get the best deals on Uppers for…
Knights Armament
Knights Armament Company AR-15 Upper 5.56 NATO
$1713.60Get the best deal on the Knights Armament Upper Receiver Kit 31962 5.56 16 Uppers at GrabAGun.com. Get the best deals on…
Knights Armament
Knights Armament Upper Receiver Kit 5.56 NATO 11.5 Barrel M-LOK
$1899.99Get the best deal on the Knights Armament Upper Receiver Kit 31963 5.56 / .223 Rem 11.5 Uppers at GrabAGun.com. Get the …
Knights Armament
Knights Armament Upper Receiver Kit 5.56 NATO 14.5 Barrel M-LOK
$1999.99Get the best deal on the Knights Armament Upper Receiver Kit 31949 5.56 / .223 Rem 14.5 Uppers at GrabAGun.com. Get the …
Knights Armament
Knights Armament SR-25 APC Upper Receiver Assembly 308 Winchester 16 Barrel URX 4 M-Lok Handguard
$3705.99Get the best deal on the Knights Armament SR-25 111474 .308 Win 16 Uppers at GrabAGun.com. Get the best deals on Uppers …
Knights Armament
Knights Armament Company KAC SR-25 APR 20 Upper MLOK
$3705.99Get the best deal on the Knights Armament SR-25 111472 .308 Win 20 Uppers at GrabAGun.com. Get the best deals on Uppers …
Knights Armament
Knights Armament SR-25 Complete Upper 6.5 Creedmoor 22 Barrel M-LOK Handguard
$3379.99Get the best deal on the Knights Armament SR-25 Complete Upper 100223 6.5 Creedmoor 22 Uppers at GrabAGun.com. Get the b…