Standard

Geissele Automatics Super Duty MOD1, Complete Upper Receiver, 5.56 NATO, 14.5" Pinned (16" OAL) Barrel, M-LOK Free Float Handguard, Geissele Airborne Charging Handle, Nanoweapon Reliability Enhanced Bolt Carrier Group, Fits AR-15, Anodized Finish, Black 08-547B

Geissele Automatics Super Duty MOD1, Complete Upper Receiver, 5.56 NATO, 14.5" Pinned (16" OAL) Barrel, M-LOK Free Float Handguard, Geissele Airborne Charging Handle, Nanoweapon Reliability Enhanced Bolt Carrier Group, Fits AR-15, Anodized Finish, Desert Dirt Color 08-547S

Geissele Automatics Super Duty MOD1, Complete Upper Receiver, 5.56 NATO, 16" Barrel, 1:7 Twist, HUXWRX Flash Hider-QD 556, 15" SMR MK16 M-LOK Free Float Handguard, Geissele Airborne Charging Handle, Nanoweapon Reliability Enhanced Bolt Carrier Group, Fits AR-15, Anodized Finish, Black 08-548B

Geissele Automatics Super Duty MOD1, Complete Upper Receiver, 5.56 NATO, 16" Barrel, 1:7 Twist, HUXWRX Flash Hider-QD 556, 15" SMR MK16 M-LOK Free Float Handguard, Geissele Airborne Charging Handle, Nanoweapon Reliability Enhanced Bolt Carrier Group, Fits AR-15, Anodized Finish, Desert Dirt Color 08-548S

Heckler & Koch MR556 A4 Upper Receiver, 223 Remington/5.56 NATO, 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

LanTac USA LLC SF15 Recon, Complete Upper Receiver, 223 Wylde, 16" Barrel, Fits AR15, Anodized Finish, Black 01-FA-223-RECON-UPR

LanTac USA LLC USR, Upper Standard Receiver, 5.56 NATO, AR-15, M4 Feed Ramps, Anodized Black 01-RV-UP-USR-SF15

LanTac USA LLC Upper Advanced Receiver, Milspec Type3, Class2 Deep Black Hardcoat Anodized, Includes CP-R360 DomedHead Cam Pin, Billet 7075-T6 Aluminum LA00221

LBE Unlimited A2 Stripped Upper Receiver, Fits AR15, Anodized Finish, Black A2UP-FCST

LBE Unlimited Upper, Black Finish, Forward Assist/Ejection Port Cover Assembly Installed, Fits AR15 ARUPPER

Luth-AR Stripped NC15 Forged 308 Upper Receiver, Manufactured from 7075-T6 Aluminum, Hard-Coat Anodized, Features Upper Picatinny Rail for Mounting Optics and Accessories 308-FTT-EA

Luth-AR 16" Lightweight Barrel Complete Upper Receiver, 223 Remington, Black Finish, 15" Palm Handguard Keymod, 1:9 Twist, Complete Barrel Assembly w/BCG, Fits AR-15 BAA3-L16

Luth-AR 24" Bull Barrel Complete Upper Assembly, 223 Remington, Black Finish, 15" Palm Handguard Keymod, Complete Barrel Assembly w/BCG, Fits AR-15 FTBL-B24

Luth-AR Stripped NC15 Forged Upper Receiver, Manufactured from 7075-T6 Aluminum, Hard-Coat Anodized, Features Upper Picatinny Rail for Mounting Optics and Accessories FTT-EA

Luth-AR Upper, Black, 1913 Rail for Mounting Optics and Accessories, Forged, Flat Top, Comes with Charging Handle, Forward Assist, and Dust Cover FTT-EA1

Luth-AR A1 Assembled Upper Receiver, Black, Forged, A1 Rear Sight Base Assembly, Ejection Port Cover Assembly, Teardrop Forward Assist Assembly, Brass Deflector UR-01A

Luth-AR A2 Upper Receiver, Upper, 223 Remington/5.56 NATO, Black, AR15, Anodized UR-A2-A

Luth-AR A2 Upper Receiver, Stripped Upper Receiver, 223 Remington/5.56 NATO, Fits AR-15. Anodized Finish, Black UR-A2-S

Nordic Components NC15 Extruded Stripped Upper, Fits AR15, Black Finish, Upper Receiver Eliminates Dust Cover and Forward Assist, Compatible with Milspec BCGs/Charging Handles/Barrels/Most Handguards, Flat Top Picatinny Rail, 7029-T6 Aluminum, Weight 10oz NC15-UR-EXT

Nordic Components 22RB Complete Upper, 22LR, 16" Match Grade Barrel, 1:16 Twist, Black Finish, A2 Flash Suppressor, Aluminum Slim Diameter Handguard, Stainless Steel Bolt, 10Rd Black Dog Magazine, Black Dog Machine Bolt Saver (for retaining bolt carrier group when upper is separate from lower) 22RB-UPPER-16-KIT

Noveske NOVESKE9, Gen 4, Complete Upper, 9MM, 16" Barrel, NSR 15 Rail, Cerakote Finish, Black 03000446

Noveske Chainsaw, Complete Upper Receiver, 223 Remington/5.56 NATO, 16" Barrel, A2 Flash Hider, MLOK Handguard, Radian Raptor LT Charging Handle, Anodized Finish, Black, Fits AR-15 03000523

Noveske Chainsaw, Stripped Upper, N4, Black Finish 03002689

Noveske Receiver, Upper, 4th Generation, N4, Carry Handle, Black Anodized, Installed Rear Sight Kit, Port Door Assembly, Tear Drop Forward Assist Assembly, With Packaging 03002692