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 View Options Remove from Compare Compare Items Solgw M4-89 5.56 Urg $855.00 Sons of Liberty Gun Works
Quick view 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 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 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 $829.00 Colt's Manufacturing
Quick view Remove from Compare Compare Items Solgw M4-exo3 5.56 Urg $807.50 Sons of Liberty Gun Works
Quick view 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 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 Midwest Industries Upper, 223 Wylde, 16" Lightweight Barrel, Black, 15" MLOK Handguard, Fits AR15, No BCG or Charging Handle MI-N16CRM15-U $584.95 Midwest Industries
Quick view Add to Cart Remove from Compare Compare Items Midwest Industries Upper, 223 Wylde, 16" Lightweight Barrel, Black, 14" MLOK Handguard, Fits AR15, BCG and Charging Handle NOT Included MI-N16CRM14-U $579.95 Midwest Industries
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 Add to Cart Remove from Compare Compare Items BCM M4 Upper Receiver Assembly $129.00 Bravo Company
Quick view View Options Remove from Compare Compare Items Aero Precision M4E1 Assembled Upper, Black, AR15 APAR700201AC MSRP: Was: Now: $114.74 - $127.49 Aero Precision
Quick view Add to Cart Remove from Compare Compare Items Aero Precision Assembled Upper, Flat Dark Earth, For AR15 $106.24 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 Assembled Upper, Black, For AR15 $93.49 Aero Precision
Quick view Add to Cart Remove from Compare Compare Items Aero Precision Stripped Upper, Flat Dark Earth, For AR15 APAR501801C $89.24 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
Quick view Add to Cart Remove from Compare Compare Items Aero Precision Stripped Upper, Black, For AR15 APAR501603C $76.49 Aero Precision