Looking at purchasing an M4? Check this comparison chart out first
I came across an M4 comparison chart. Its compares the Colt 6920, LMT, Noveske M4 Light Carbine, Sabre Defense XR15-A3 M4, S&W M&P15 CMMG 16″ M4 Carbine, Stag Model 1, Bushmaster BCWA3F 16M, Rock Rivers Arms AR1251X, Armalite M-15A4C, Olympic K3B-M4-A3 and DPMS AP4-C.
Click to enlarge.
The latest version of this chart can be found here on m4carbine.net

Hi, welcome to The Firearm Blog! This blog is dedicated to all things firearm related. If you are into AR-15 and AK carbines, skeet shotguns, self defense pistols or hunting rifles then there will be something here for you. I hope you enjoy it.
