jbaum wrote:I hereby officially give up. I've tried several times, and it just isn't working.
jbaum wrote: I wrote a detailed explanation of properly checking headspace on the 42 on here years ago. Do a search.
Mine ended up about 1/4 in. short and functions flawlessly. Was having issues until I changed to good ammo. Shorter will likely only require less gas presser to operate, not that one should stray from proven blueprints.
Der Alder wrote:My advise is to use surplus barrels and check them for head space.
Glad you are OK BTW.
jbaum wrote:The recoil spring Is supposed to reach from the rear of the receiver to the front edge of the feed tray, according to the manual. They can be longer, that is the shortest it's supposed to be.