Remember the parts kits. And the companies that sold all that cool stuff. The 14 inch barrel with the welded flash hider. Carry handle upper. I got 5.56 because that's all there was. I have the cmmg cmmc what ever, 22lr bolt and magazine. Loading the mag takes a few. When they first came out I got the M&P sport in 5.56 because it's all there was. I'm done buying so I'll just read what you all put out. If I need bigger I have rifles that shoot the other
" military grade ammo" from 1873 and 1906 so I'll be fine.
" military grade ammo" from 1873 and 1906 so I'll be fine.