Whether you're upgrading performance or starting a new build, each part is vetted for reliability and compliance.
Aero Precision APAR308505C Receiver 308 Win 7075-T6 Aluminum Flat Dark Earth Cerakote Receiver for M5 Platform
Aero Precision
Receiver
APAR308505C
$342.43
Ships from Warehouse
Aero Precision APAR308506AC M5E1 Enhanced Receiver 308 Win 7075-T6 Aluminum Flat Dark Earth Cerakote Receiver for M5 Platform
Aero Precision
M5E1
APAR308506AC
$432.09
Ships from Warehouse
Aero Precision AR-15 Complete Lower Receiver – A2 Grip | Black
Aero Precision
Ar-15
APAR501111
$478.95
In-Store Today
Aero Precision M16A4 Clone Lower, Semi-automatic, 223 Rem/556NATO, Anodized Finish, Black APAR148017C
Aero Precision
M16A4 Clone Lower
APAR148017C
$216.18
Ships from Warehouse
Aero Precision M4E1, Semi-automatic, Stripped Lower Receiver, 223 Remington/556NATO, Anodized Finish, Black APAR600001C
Aero Precision
M4E1 Stripped Lower
APAR600001C
$245.53
Ships from Warehouse
Aero Precision M5 Assembled Upper, For AR10, Anodized, Black APAR308503AC
Aero Precision
M5 Assembled Upper
APAR308503AC
$293.52
Ships from Warehouse
Aero Precision M5, Semi-automatic, Stripped Lower Receiver, 308 Winchester/762NATO, Anodized Finish, Black APAR308003C
Aero Precision
M5
APAR308003C
$317.52
Ships from Warehouse
Aero Precision X15, Gen 2, Semi-automatic, Stripped Lower Receiver, .223 Remington/556NATO, Aluminum, Anodized Finish, Black APAR501101C
Aero Precision
Stripped Lower
APAR501101C
$188.68
Ships from Warehouse
American Defense Mfg. UIC BILLET, Semi-automatic, Stripped Lower Receiver, 223 Remington/556NATO, Anodized Finish, Black, Includes Installed Ambidextrous Magazine Release and Bolt Catch AD-UICLS-BLK
American Defense Mfg
UIC
AD-UICLS-BLK
$758.40
Ships from Warehouse
BCM LRGSTKMOD0FDE BCM Lower MOD 0 Multi-Caliber 7075-T6 Aluminum Black Cerakote Synthetic Flat Dark Earth Pistol Grip & Stock for AR-Platform
Bravo Company
BCM
LRGSTKMOD0FDE
$966.15
Ships from Warehouse
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
$1334.17
Ships from Warehouse
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
$1292.26
Ships from Warehouse
Battle Arms Development WORKHORSE, Complete Upper Receiver, 556NATO, 16 Barrel, Fits AR-15, M-Lok Handguard, Anodized Finish, Black, Includes Bad Rack-15 Ambidextrous Charging Handle and AR15/M16 BCG WH-UR16B-Y-15
Battle Arms
Authority Elite
WH-UR16B-Y-15
$1334.17
Ships from Warehouse
Battle Arms Development WORKHORSE, Complete Upper Receiver, 556NATO, 16 Barrel, Fits AR-15, M-Lok Handguard, Anodized Finish, Black, Includes Bad Rack-15 C Ambidextrous Charging Handle and AR15/M16 BCG WH-UR16B-Y-15C
Battle Arms
Authority Elite
WH-UR16B-Y-15C
$1334.17
Ships from Warehouse
Battle Arms Development WORKHORSE, Upper Receiver Assembly, 223 Remington/556NATO, 10.5 Barrel, Carbine-length Gas System, Anodized Finish, Black, A2 Flash Hider, WORKHORSE 9.5 M-LOK Free Float Handguard, Does Not Include Bolt Carrier Group or Chargi
Battle Arms
Workhorse
WH-UR-10.5-556
$959.08
Ships from Warehouse
Battle Arms Development WORKHORSE, Upper Receiver Assembly, 223 Remington/556NATO, 16 Barrel, Mid-length Gas System, Anodized Finish, Black, A2 Flash Hider, WORKHORSE 15 M-LOK Free Float Handguard, Does Not Include Bolt Carrier Group or Charging Hand
Battle Arms
Workhorse
WH-UR-16-556
$959.08
Ships from Warehouse
Battle Arms Development Workhorse, 223 Remington/556NATO, Anodized Finish, Black, B5 Stock, Complete Lower Receiver WH-LR-R-B5
Battle Arms
Workhorse
WH-LR-R-B5
$636.33
Ships from Warehouse
Battle Arms Development Workhorse, Semi-automatic, Stripped Lower Receiver, 223 Remington/556NATO, Anodized Finish, Black WH556-LR
Battle Arms
Workhorse
WH556LR
$233.95
Ships from Warehouse
Battle Arms Development XIPHOS Upper Receiver, Stripped, 9MM, Anodized Finish, Black, Billet 7075-T6 Aluminum Construction BAD-PCC-UR
Battle Arms
XIPHOS Upper Receiver
BADPCCUR
$408.75
Ships from Warehouse
Battle Arms Development Xiphos, Stripped Lower Receiver, 9mm, Anodized Finish, Black, Compatible with Glock Pattern Magazines XIPHOS-LR
Battle Arms
Xiphos
XIPHOSLR
$476.09
Ships from Warehouse
Black Rain BROSPEC15LR Spec15 Forged Lower Multi-Caliber 7075-T6 Aluminum Black Anodized for AR-Platform
Black Rain Ordnance
SPEC15
BROSPEC15LR
$274.84
Ships from Warehouse
Bootleg Billet Upper, Upper, Black, AR15 BP-UR-1A
Bootleg
Billet Upper
BP-UR-1A
$348.02
Ships from Warehouse
Bravo Company BCM, Semi-automatic, Complete Lower Receiver, 223 Remington, Black, BCM SOPMOD LRG-STK-MOD-0-SPMD-BLK
Bravo Company
BCM
LRG-STK-MOD-0-SPMD-BLK
$974.74
Ships from Warehouse
Bravo Company Bravo Company, Semi-automatic Complete Lower Receiver, AR, 223 Remington/556NATO, Anodized Finish, Black, Flat Dark Earth BCM Gunfighter Stock, Fire Controls Marked SAFE and SEMI, BCMGUNFIGHTER Enhanced Trigger Guard, BCMGUNFIGHTER QD E
Bravo Company
BCM
LRG-STK-MOD-0-SPMD-FDE
$974.74
Ships from Warehouse
Bravo Company Semi-automatic Complete Lower Receiver, AR, 223 Remington/556NATO, Anodized Finish, Black, BCM Gunfighter Stock, Fire Controls Marked SAFE and SEMI, BCMGUNFIGHTER Enhanced Trigger Guard, BCMGUNFIGHTER QD End Plate, BCMGUNFIGHTER Pistol
Bravo Company
BCM
LRGSTKMOD0BLK
$495.99
In-Store Today
Information