FN America FN15 Military Collector, M4, Stripped Lower Receiver, Semi-automatic, 223 Remington/556NATO, Anodized Finish, Black 20-100821

fn

FN15

20-100821

FRT-15L3 3 Position FRT Trigger

Rare Breed

FRT-15L3

HUX BLASPHEMY + FLASH HIDER 762 5/8X24 FDE

HUXWRX

HUX 3530

Heckler & Koch MR556 A4 Upper Receiver, 223 Remington/556NATO, 11 Barrel, Threaded 1/2X28, M-LOK Handguard, Anodized Finish, Black, Fits AR-15 Lower Receivers, Includes Bolt Carrier Group, Charging Handle, Buffer Weight and Buffer Spring 51000385

Heckler & Koch

MR556A4 URK

51000385

Heckler & Koch MR556 A4 Upper Receiver, 223 Remington/556NATO, 16.5 Barrel, Threaded 1/2X28, M-LOK Handguard, Anodized Finish, Black, Fits AR-15 Lower Receivers, Includes Bolt Carrier Group, Charging Handle, Buffer Weight and Buffer Spring 51000384

Heckler & Koch

MR556A4 URK

51000384