Pump AR, you pump it to load it and don't have to anymore. when i seen this online i though nah. this thing is smooth as silk sliding it back. gun is billet upper and lower and no wiggle anywhere. i just put an FRT in it. may try all of it tomorrow. Bilson arms.
Well, that pic i posted a couple days ago, i ordered a different colored one. I went and looked at the one they had and was very impressed. i will make a video and pics when i get it.
The tighter the two halves are the better for sound reduction. not as much blowback. also you can get a charging handle that releases gas to keep it from hitting you in the face.