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Nope, if you run hot loads you wreck bolt heads :oh noes:

Sometimes they break just because :(

Bolt guns will run much harder than ARs

They certainly do at those velocities :)

Used them in my Rum years ago, they went pretty quick :thumbsup:

Thinking at the 30 Grendel velocity they will probably work well on everything :)

I had some spare time during the week so I dug this upper out & loaded up a few different projectiles for it.

http://i1004.photobucket.com/albums/af161/Kiwi-Greg/IMG_2178_zpsv0up8jzt.jpg

It...