Quick view Remove from Compare Compare Items Daniel Defense DDM4V7 Lightweight, Complete Upper, 223 Rem/556NATO, 16" Lightweight Barrel, 1:7 Twist, Black Finish, MLOK 23-128-02932-047 $1,179.00 Daniel Defense
Quick view Remove from Compare Compare Items Daniel Defense DDM4V7, Complete Upper, 223 Rem/556NATO, 16" Cold Hammer Forged Barrel, 1:7 Twist, Black, MLOK 23-128-02339-047 $1,179.00 Daniel Defense
Quick view Add to Cart Remove from Compare Compare Items Colt's Manufacturing Complete Upper, 223 Rem/556NATO, 16" Barrel, Black, MLOK Free Float Handguard LE6920EPR-CK $1,049.00 Colt's Manufacturing
Quick view Remove from Compare Compare Items Spike's Tactical Complete Upper Receiver, 223 Rem/556NATO, 14.5" Barrel (16" OAL with Pinned Brake), Mid-length Gas System, Fits AR Rifles, Black, Flat Top Receiver, No Sights, 12" CRR Quad Rail, Dyna $905.40 Spike's Tactical
Quick view Add to Cart Remove from Compare Compare Items Sons of Liberty Gun Works M4-76 Complete Upper, 223 Remington/556NATO, 16" Combat Barrel, QPQ Finish, Black, 9.5" M76 M-LOK Handguard, A2 Flash Hider M476UPPER-16-556 $855.00 Sons of Liberty Gun Works
Quick view Add to Cart Remove from Compare Compare Items Sons of Liberty Gun Works M4-89 Complete Upper, 300 Blackout, 9" Combat Barrel, 1:7" Twist, QPQ Finish, Black, 8" M89 M-LOK Handguard, A2 Flash Hider M489UPPER-9-300 $855.00 Sons of Liberty Gun Works
Quick view Add to Cart Remove from Compare Compare Items Spike's Tactical Complete Upper Receiver, 223 Rem/556NATO, 16" Chrome Lined Barrel, 1:7 Twist, Fits AR Rifles, Flat Top Receiver, A2 Front Sights, Black Finish STU5025-M4S $837.00 Spike's Tactical
Quick view Remove from Compare Compare Items Sons of Liberty Gun Works M4-exo3 5.56 Urg $807.50 Sons of Liberty Gun Works
Sale Quick view Add to Cart Remove from Compare Compare Items Colt's Manufacturing Complete Upper Receiver, 223 Rem/556NATO, 16.1" M4 Barrel, Black Finish, A2 Fixed Front Sight, Magpul BUIS Rear Sight LE6920CK $799.99 $829.00 Colt's Manufacturing
Quick view Add to Cart Remove from Compare Compare Items Spike's Tactical Complete Upper Receiver, 223 Rem/556 NATO, 16" Chrome Lined Barrel, 1:7 Twist, Fits AR Rifles, Flat Top Receiver, Quad Rail Handguard, Black Finish STU5025-R9S $743.40 Spike's Tactical
Quick view Add to Cart Remove from Compare Compare Items Solgw M4-exo3 10.5" 300blk Urg $712.50 Sons of Liberty Gun Works
Quick view Remove from Compare Compare Items Solgw M4-exo3 16" 5.56 Urg $712.50 Sons of Liberty Gun Works
Quick view Add to Cart Remove from Compare Compare Items Spike's Tactical Complete Upper Receiver, 223 Rem/556NATO, 16" FN Hammer Forged Barrel, 1:7 Twist, Fits AR Rifles, Mid-length Gas System, Front Sight Post, Black Finish STU5435-MLS $630.00 Spike's Tactical
Quick view Add to Cart Remove from Compare Compare Items Spike's Billet Upper Gen2 Milspec $270.00 Spike's Tactical
Quick view Add to Cart Remove from Compare Compare Items SilencerCo SCO15, Stripped Upper Receiver, .223 Remington/556NATO, Black AC5065 $219.00 SilencerCo
Quick view Remove from Compare Compare Items Colt's Manufacturing Upper, 223REM/556NATO, Black Finish, Dust Cover, Forward Assist, M4 Feed Ramps SP63528 $179.99 Colt's Manufacturing
Quick view Add to Cart Remove from Compare Compare Items Sons of Liberty Gun Works Stripped Upper Receiver, Black, Hardcoat Type III Anodized UPPER-STRIPPED $142.50 Sons of Liberty Gun Works
Quick view View Options Remove from Compare Compare Items Aero Precision M4E1 Assembled Upper, Black, AR15 APAR700201AC MSRP: Was: Now: $139.99 - $159.99 Aero Precision
Quick view Add to Cart Remove from Compare Compare Items Aero Precision Assembled Upper, Flat Dark Earth, For AR15 $129.99 Aero Precision
Quick view Add to Cart Remove from Compare Compare Items BCM M4 Upper Receiver Assembly $129.00 Bravo Company
Quick view Add to Cart Remove from Compare Compare Items Aero Precision Assembled Upper, Black, For AR15 $114.99 Aero Precision
Quick view Add to Cart Remove from Compare Compare Items Aero Precision Stripped Upper, Flat Dark Earth, For AR15 APAR501801C $114.99 Aero Precision
Quick view Add to Cart Remove from Compare Compare Items Spike's Tactical Flat Top Upper w/Ejection Port Door, 9MM, Black Finish SFT902D $103.50 Spike's Tactical
Quick view Add to Cart Remove from Compare Compare Items 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 $103.50 Spike's Tactical
Quick view Add to Cart Remove from Compare Compare Items Aero Precision Stripped Upper, Black, For AR15 APAR501603C $94.99 Aero Precision
Quick view Add to Cart Remove from Compare Compare Items Wilson Combat Forged AR-15 Stripped Upper, Anodized Finish TR-UPPER $84.95 Wilson Combat