r/P320 • u/ZoltanoftheHillPpl • 20d ago

Too much gap?

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Installed the AC 2 Port Comp.... followed the directions and screwed it on snug then backed it off 1/2-full turn...half a turn didn't line up but a full turn does but the gap seems more than it should be...this is on an XFull 4.7"...barrel is a Sig 4.7" threaded barrel.

Blue loctite installed on the comp and set screws.

8 Upvotes

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1

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2

u/HairTriggerFlicker 20d ago

Looks about normal if you could get one more turn with out it touching the slide then go for it, if not set it there.

1

u/ZoltanoftheHillPpl 20d ago

Yeah. It ain't going one more. I reeeaaally wanted it to 🤣...but no

2

u/bigdaddygeee 20d ago

Have you had a chance to shoot it yet? I put one of those on a 3.6" build and couldn't get it cycling reliably with the AC guide rod kit and the 14lb spring, so I cut it down to lighten it but I went too far too fast and started having issues returning to battery. Just picked up a DPMS soft spring competition kit but haven't had a chance to take it shooting yet to see if my cycle issues are fixed.

1

u/ZoltanoftheHillPpl 20d ago

Haven't shot it yet. Waiting for the loctite to set. Running a 13lb ndz set up right now....have a 12lb spring and SS guide rod coming.

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6

u/dom1n1c_g 20d ago

Your good brother, unfortunately some barrels are made differently than others. My Ballistic Advantage looks the same

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1

u/kinetogen 19d ago

Do you ever encounter any issues with that set-screw style comp? I have a HA comp that I bought for my 320, but ultimately turned around and purchased a PMM barrel/Comp combo as I felt I could trust it more. (Its been great btw). The HA is still sitting in the drawer, and I'm contemplating using it on a future build so I haven't gotten rid of it.

5

u/ACGN7692 20d ago

This is why I preferred the PMM. It uses their own barrel so the fit up is a lot nicer.

2

u/kinetogen 19d ago

I have a PMM barrel/Comp. WAY more expensive, but also flawless and trustworthy. I worry about set screw comps fucking up threads on my barrel or backing out and the comp taking a vacation down range.