Battle Arms Development WORKHORSE, Complete Upper Receiver, 556NATO, 10.5 Barrel, Fits AR-15, M-Lok Handguard, Anodized Finish, Black, Includes Bad Rack-15 Ambidextrous Charging Handle and AR15/M16 BCG WH-UR10.5B-Y-15
Battle Arms
Authority Elite
WH-UR10.5B-Y-15
Free Shipping
$774.28
In Stock
Battle Arms Development WORKHORSE, Complete Upper Receiver, 556NATO, 10.5 Barrel, Fits AR-15, M-Lok Handguard, Anodized Finish, Black, Includes Bad Rack-15 C Ambidextrous Charging Handle and AR15/M16 BCG WH-UR10.5B-Y-15C
Battle Arms
Authority Elite
WH-UR10.5B-Y-15C
Free Shipping
$750.17
In Stock
DEYRA DY9 9MM COMPLETE UPR ISLAND BK
DERYA FIREARMS
Island Upper
UP-DY9ISL-AG
Free Shipping
$375.37
In Stock
FightLite (MCR) Mission Configurable Rifle, Milspec Complete Upper Receiver, 556NATO, 12.5 Threaded Barrel, Dual Feed, Picatinny Rail, Dry Film Lubrication, Fits AR-15 Lower Receiver, Anodized Finish, Black MCR-556-DFRS
FiteLite
Mission Configurable Rifle
MCR-556-DFRS
Free Shipping
$7424.99
In Stock
FightLite (MCR) Mission Configurable Rifle, Milspec Complete Upper Receiver, 556NATO, 16.25 Threaded Barrel, Dual Feed, Picatinny Rail, Dry Film Lubrication, Fits AR-15 Lower Receiver, Anodized Finish, Black MCR-556-DFR
FiteLite
Mission Configurable Rifle
MCR-556-DFR
Free Shipping
$7424.99
In Stock
FightLite Mission Configurable Rifle Dual-Feed Upper Receiver Assembly, 556NATO, 16.25 Quick-Change Barrel, Threaded 1/2X28, Fits AR-15 Lower Receiver, M-LOK Handguard, Adjustable Sight Set, Manganese Phosphate Finish, Black, Includes Buffer, Spacer,
Fightlite
MCR
MCR-556-DFRM
Free Shipping
$7424.99
In Stock
Heckler & Koch MR556 A4 Upper Receiver, 223 Remington/556NATO, 16.5 Barrel, Threaded 1/2X28, M-LOK Handguard, Anodized Finish, Black, Fits AR-15 Lower Receivers, Includes Bolt Carrier Group, Charging Handle, Buffer Weight and Buffer Spring 51000384
Heckler & Koch
51000384
Free Shipping
$2417.85
In Stock
Heckler & Koch MR762 A4 Upper Receiver, 308 Winchester/762NATO, 13 Barrel, Threaded 5/8X24, M-LOK Handguard, Anodized Finish, Black, Adjustable Gas Block, Includes Bolt Carrier Group, Buffer Weight, and Buffer Spring 51001919
Heckler & Koch
MR762 A4 Upper Receiver
51001919
Free Shipping
$3003.75
In Stock
KAK Industry AR-15 Upper Completion Kit, Phosphate Finish, Black KAR-KT-18
KAK Industry
AR-15 Upper Completion Kit
KAR-KT-18
See Best Price in Cart
In Stock
Luth-AR A3 Upper Receiver Parts Kit URPK-A3
Luth-Ar
A3 Upper Receiver Parts Kit URPK-A3
URPK-A3
$17.39
In Stock
Midwest Industries Upper Receiver Rod, Black, Upper Receiver Tool, Steel MI-308URR
Midwest Industries
Upper Receiver Rod
MI-308URR
Free Shipping
$148.18
In Stock
NcSTAR AR10 Upper Receiver Block, For use with AR-10, Anodized Finish, Blue VTHAR10UVB
Ncstar
AR10 Upper Receiver Block
VTHAR10UVB
$43.17
In Stock
NcSTAR AR15 Upper Receiver Block, For use with AR-15, Anodized Finish, Blue VTARUVB
Ncstar
AR15 Upper Receiver Block
VTARUVB
$43.17
In Stock
Primary Weapons Systems MK116 MOD 2-M, Upper Receiver, 762x39, 16.1 Barrel, Triad30 Muzzle Device, Anodized Finish, Black, Radian Raptor Charging Handle, MLOK Handguard, Fits AR-15 MK1-M2U-762X39-16
Primary Weapons Systems
MK116
MK1-M2U-762X39-16
Free Shipping
$1476.51
In Stock
Primary Weapons Systems MK116 MOD 2-M, Upper Receiver, Fits AR-15, 223 Wylde, 16.1 Barrel, 1:8 Twist, FSC 556 Muzzle Device, 15 PWS PicLok MLOK Handguard, Anodized Finish, Black, Includes Radian Raptor Ambidextrous Charging Handle MK1-M2U-223-16
Primary Weapons Systems
MK116
MK1-M2U-223-16
Free Shipping
$1476.51
In Stock
Primary Weapons Systems MMK116 MOD 1-M, Upper Receiver, 762X39, 16.1 Barrel, Triad30 Muzzle Device, Anodized Finish, Black, Radian Raptor Charging Handle, MLOK Handguard, Fits AR-15 MK1-M1U-762X39-16
Primary Weapons Systems
MK116
MK1-M1U-762X39-16
Free Shipping
$1146.84
In Stock
Radian Weapons Complete Upper, 223 Wylde, 17.5 Barrel, 1:8 Twist, Dead Air KeyMo Flash Hider, Intermediate Length Gas, 17 MLOK Handguard, Radian Raptor-SD Charging Handle, Radian Enhanced Bolt Carrier Group, Cerakote Finish, Olive Drab Green, Fits AR
Radians
Complete Upper
R0481
Free Shipping
$2126.24
In Stock
Rise Armament Complete Upper, 22 ARC, 18 Stainless Steel Barrel, 1:7 Twist, 1/2x28 Threaded, Rifle Length Gas System, 15.25 Free Float M-LOK Handguard, Black Nitride Bolt Carrier Group, Ambidextrous Charging Handle, Anodized Finish, Black RA-22ARC-CU
Rise Armament
RA-22ARC-CU-BLK-18
Free Shipping
$1018.98
In Stock
Rise Armament Complete Upper, 6MM ARC, 18 Stainless Steel Barrel, 1:7 Twist, 1/2x28 Threaded, Rifle Length Gas System, 15.25 Free Float M-LOK Handguard, Black Nitride Bolt Carrier Group, Ambidextrous Charging Handle, Anodized Finish, Black RA-6ARC-CU
Rise Armament
RA-6ARC-CU-BLK-18
Free Shipping
$1018.98
In Stock
Rise Armament Complete Upper, 6MM ARC, 18 Stainless Steel Barrel, 1:7 Twist, 1/2x28 Threaded, Rifle Length Gas System, 15.25 Free Float M-LOK Handguard, Black Nitride Bolt Carrier Group, Ambidextrous Charging Handle, Cerakote Finish, Patriot Brown RA
Rise Armament
RA-6ARC-CU-BRN-18
Free Shipping
$1018.98
In Stock
Spike's Tactical Flat Top Upper w/Ejection Port Door, 9MM, Black Finish SFT902D
Spike'S Tactical
Flat Top Upper w/Ejection Port Door
SFT902D
Free Shipping
$116.44
In Stock
Spike's Tactical Generation 2, Billet, Upper, 223 Remington, 556NATO, Black, Mil-Spec Barrel Nut SFT52B2
Spike'S Tactical
Generation 2
SFT52B2
Free Shipping
$273.38
In Stock
Spike's Tactical Upper, Fits AR Rifles, Black, Flat Top, Machined from a Mil-Spec 7075 T6 forging, with Forward Assist and Ejection Door installed SFT50M4
Spike'S Tactical
Upper
SFT50M4
Free Shipping
$116.44
In Stock
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