HNDLDR's latest activity

The arc is based on the grendel case which has a fat head for a standard ar bolt. Thus it cant take as much pressure as a 556 bolt which...

I ran into this same situation on a 16” .308 I built. It was over gassed so much it would almost rip the rim off the case. The fix was...

For any of you who are still wondering about the 6mm Arc in a gas gun, I stand corrected. The Arc has a larger case head then a 5.56...

Was it Superformance ammo or Superformance powder in hand loads? Quigley257’s link in post 29 does an excellent job of explaining issues...

It’s not that the bolt gun architecture will safely handle more pressure. If you completely closed an adjustable gas block on an AR and...

And yes changes in ammunition like bullets taking up more space in the case. (Reduction of case capacity) will increase pressure to...

The AR platforms have steel locking lugs locking directly into a steel barrel and can handle the same pressures as a bolt gun. They do...

Hey, I'm back home in AK. I have dog's sleeping on the couch, chair and memory foam dog beds. Neighbors dog is even in here sleeping on...

I agree with all that have mentioned over gassing. The Hornady article explained this well. The AR10 style guns with smaller bores (243s...

From Hornady... https://www.hornady.com/support/superformance-in-gas-operated-firearms

My brother had the same problem. He called Ruger they said mail it to them and they will fix it or they will mail a new “part for the...

note: it doesn't have to be obviously bent, its just that in overgassed situations the extractor will often bend the rim trying to...

Suppressed? I agree on over gassed.

I've never seen an AR base look like that and I've shot some hot loads. The primer doesn't look flat. The primer isn't cratered. I...

It could be he's overgassed. I'm curious about the mark opposite the extractor impressions. Is the case rim bent outward in that area...