Saw someone post their Lego AR57 (FSS Hurricane) So here's my MW19 and MW22 m4s. Working Bolt and mag release and are part of a modular M4 receiver I designed allowing for
BrickArms® M4 Force Recon w/ PEQ
Custom M4 Rifle Variants for Minifigures -Pick Color!- NEW Brick Troops Leyile | eBay
M4 Carbine MOD Pack Assault Rifle compatible w/toy brick minifigures Army | eBay