Matt, the only difference is the furniture, stock, hand guard and pistol grip. All are upgraded and higher quality on the Resolute. The 100, 200 and 300 Series are levels of configuration. In the 100 Series you will find classic furniture appointments like the beloved A2 pistol grip, 6-position or fixed buttstocks and A2 Birdcage flash hider. The 200 Series is a feature-rich choice, outfitted with modern furniture choices like Magpul’s MOE® pistol grip, CMMG’s revolutionary RIPSTOCK™ or RIPBRACE™ and CMMG’s effective single-chamber SV muzzle brake. The 300 Series comes with all the bells and whistles, including your choice of ten Cerakote® colors that come standard. Ambidextrous controls and sling points, premium 2-stage trigger, Magpul grip, CMMG’s RIPSTOCK or PRS® stock, CMMG’s SV muzzle brake are just a few of the features found on the 300 Series.

Do a tough E1