I would be for them keeping the $200 stamp, but just adding a box on the 4473 for it and letting us take it that day and mail us the stamp later. Increase sales and also taxes to Uncle Sam. Regulate it just like a run of the mill Glock 17 (with a $200 fee added to the transaction). I think that...
I went with an aero, then picked a couple uppers that fit tight and the finish was close. My theory was spend more on the barrel and trigger that gives better accuracy potential than looks. Function over form I guess you could say...
http://www.hkparts.net/shop/pc/Locking-Piece-17-36-Degree-US-p2520.htm
When adding a suppressor it adds back pressure causing the bolt to reciprocate much faster. It didn't "kick" harder but it did make the cycling of the gun much more violent and abrupt. That locking piece with its steeper...
I think it sounds pretty good, but I don't have a lot of suppressor experience to compare it to. Definitely had to put a #17 lockipiece in it. Tamed it right back down
Would it make sense to buy a 550-1 and have it threaded for a suppressor? Do you think it would work reliably suppressed with shorts? How much space is needed ahead of the front sight to not need an extension?