16" Light Weight AR Upper- Complete Keymod. .223/5.56 1:9| Luth-AR

16" Light Weight  AR Upper- Complete Keymod (.223/5.56 1:9 )| Luth-AR Luth-ar 16" Lightweight Barrel Complete Upper Receiver, 223 Rem/556nato, Black Finish, 15" Palm Handguard Keymod, 1:9 Twist, Complete Barrel Assembly W/bcg, Fits Ar-15...

2a Palouse-lite 16" 5.56 M-lok Upper

2a Armament Palouse-lite, 16.5" 556nato M-lok Complete Upper, Ar15, Finish 2a-fcu556ml15blk-1model: Palouse-liteproduct Type: Upperfinish/color: Blackfit: Ar15caliber: 556nato

Spike's 556nato Upper 16" Chf/fsp

Spike's Tactical Upper Receiver, 223 Rem/556nato, 16" Fn Hammer Forged Barrel, 1:7 Twist, Fits Ar Rifles, Mid-length Gas System, Front Sight Post, Finish Stu5435-mlsproduct Type: Upperfinish/color: Blackfit: Ar Riflesaccessories: A2 Flash...

16" Colt M4 Upper 5.56 16.1" Matech Sght

Colt's Manufacturing Upper, 223 Rem, 556nato, 16.1", Black, M4, Chromelined, No Le, Ar Rifles, Flip Up Sights Le6920ckProduct Type: UpperFinish/Color: BlackFit: AR RiflesDescription: No LECaliber: 223 Rem

16" Black Rain Spec15 Uppr 16" 556 Socom

Black Rain Ordnance 556 Socom, Complete Upper, 556nato, 16" Socom Profile Chromoly Nato Barrel, Black Finish, 1:7 Twist, Bro 15" M-lock Hybrid Handguard, Mid Lenght Gas System, "let It Rain" Lazer Engraved Dust Cover, Spec15 Nitride Coated Bolt And...