MSR Uppers And Lowers

CMMG, Lower Receiver Parts Kit, 556NATO, Without Grip/Fire Control Group

CMMG, AR Parts Kit, Lower Spring and Pin Kit, Trigger Spring, Hammer Spring, 2 Hammer Trigger Pins, 2 Takedown Springs, Disconnector Spring, Safety Selector Detent/Spring, Bolt Catch Spring/Plunger/Coil Pin, Trigger Coil Pin, Buffer Retainer/Retainer Spring, Takedown Detent

CMMG, Parts Kit, AR15, Upper Pins and Springs

Colt's Manufacturing, Complete Upper, 223 Rem/556NATO, 16" Barrel, Black, MLOK Free Float Handguard

Charles Daly 500219 AR 410 Upper 410 Gauge 2.5"(Only) 19" Aluminum Barrel w/Black Anodized Finish, Flip Up Front & Rear Sights w/Quad Picatinny Rail, Auto Ejection, Includes 1 5rd Magazine

Daniel Defense, DDM4V7 Lightweight, Complete Upper, 223 Rem/556NATO, 16" Lightweight Barrel, 1:7 Twist, Black Finish, MLOK

Daniel Defense, DDM4V7, Complete Upper, 223 Rem/556NATO, 16" Cold Hammer Forged Barrel, 1:7 Twist, Black, MLOK

DDM4 300S URG 300BLK 10.3"

DDM4 V7 PRO URG 5.56 18"

DDM4 V7 S URG 5.56MM 11.5"

DPMS DP51655109854 AR-15 MOE LOWER BUILD KIT

DPMS DP51655120177 16"556NATO 13.5" M-LOK UPPER