5.56x45mm NATO Upper Receivers

Daniel Defense Custom A4 Upper Receiver Group 14.5 in GV MID Daniel Defense Extended Flash Suppressor MFR 13.5 Mil Spec Black/Brown

STNGR AR-15 5.56 NATO 11.5in M-LOK Complete Upper w/13.5in RPTR Handguard BCG & CH Black Anodized

STNGR AR-15 5.56 NATO 11.5in M-LOK Complete Upper w/13.5in HWK Handguard BCG & CH Flat Dark Earth Cerakote

STNGR AR-15 5.56 NATO 12.5in M-LOK Complete Upper w/13.5in HWKXL Handguard BCG & CH Flat Dark Earth Cerakote

STNGR AR-15 5.56 NATO 11.5in M-LOK Complete Upper w/13.5in VYPR Handguard BCG & CH OD Green Cerakote

STNGR AR-15 5.56 NATO 11.5in M-LOK Complete Upper w/10.5in VLCN Handguard BCG & CH Flat Dark Earth Cerakote

STNGR AR-15 5.56 NATO 11.5in M-LOK Complete Upper w/10.5in VLCN Handguard BCG & CH Black Anodized

STNGR AR-15 5.56 NATO 11.5in M-LOK Complete Upper w/10in RPTR Handguard BCG & CH Flat Dark Earth Cerakote

STNGR AR-15 5.56 NATO 11.5in M-LOK Complete Upper w/10in RPTR Handguard BCG & CH Black Anodized

STNGR AR-15 5.56 NATO 11.5in M-LOK Complete Upper w/12.5in VLCN Handguard BCG & CH Flat Dark Earth Cerakote

STNGR AR-15 5.56 NATO 11.5in M-LOK Complete Upper w/12.5in VLCN Handguard BCG & CH Black Anodized

Ghost Firearms Vital Upper Receiver 5.56x45 NATO 7.5 inch Pistol Length 4150 M4 Barrel 1-7 Twist 7 inch M-LOK Free Float Hand Guard A2 Birdcage Flash

Ghost Firearms Elite Complete Upper Receiver 5.56x45 NATO 7.5 inch Pistol Length 4150 M4 Barrel 1-7 Twist 7 inch M-LOK Free Float Hand Guard A2 Flash

Ghost Firearms Elite Complete Upper Receiver 5.56x45 NATO 16in Carbine 4150 M4 Barrel 1-7 Twist 14in M-LOK Free Float Hand Guard A2 Birdcage Muzzle

Ghost Firearms Elite Complete Upper Receiver 5.56x45 NATO 16 inch Carbine Length 4150 M4 Barrel 1-7 Twist 14 inch M-LOK Free Float Hand Guard A2

AR-STONER AR-15 Enhanced Pistol Build Kit with Upper Receiver Assembly 5.56x45mm NATO 8" Barrel Pistol Length M-LOK Handguard, Complete Lower Parts Kit with Magpul MOE Furniture Black

TACFIRE 10.5" 5.56 Stainless Steel Pistol Kit + Lower

LMT MWS Upper Receiver

LMT LM8MRP Wide Slick Upper Receiver

LMT Featureless M-LOK Carbine Length Upper Receiver

KAK K15 AR15 Pistol - 5.56 4.75" Barrel 5.5" MLOK Handguard

KAK K15 AR15 Pistol - 5.56 4.75" Barrel 5.5" MLOK Handguard

Complete AR15 Upper Receiver - 5.56 - 10.5" Barrel - 9.8" MLOK - Pinned 6" FH

Complete Upper Receiver - 5.56 - 12.5" Barrel Mid Gas- 9.8" MLOK - Pinned and Welded