You've seen what happens when Sons of Liberty Gun Works and Brownells partner up on unique products before, and now it's happened again with the M4-EXO3 Rifle Build Kit. This M4-EXO3 Rifle Build Kit includes every single component, less a lower receiver, you will need to build a high quality, 16in barreled, 5.56 chambered rifle, all in one box. Want to build out an AR-15 rifle but unsure of what all parts you'll need to buy, or confused about making sure the parts you do buy will be compatible? This kit is for you. At the heart of this build kit you'll find a 16", 5.56×45 NATO chambered barrel with a 1-7 rate-of-twist, a QPQ finish, and Mfg: Sons Of Liberty Gun Works
