danb
dont be a dumbass
So, how do you account for those rifles that have been around for 20 years? Like I've said, I heard of people using composite lowers for this without damage.
What pressure and heat are you talking about? I'll give you some folks could be afraid of the recoil, but you're not locking the lower in a vice. The lower recoils right along with the upper. The entire rifle moves as one unit.
Same way I account for the 40 year old revolver I just picked up that is spanking new? Light use.