Ruger 9mm carbine

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Dinosaur1

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Has anyone put one of these on bags on a bench for accuracy at 50 yds? Interested in what round gave the best groups. I realize each rifle will have it’s choice but just looking for a starting point. This will be the take down model.
 
Off a bipod at 50 yards with a 3-9x scope I can consistently get 1 to 2 inch groups or less using CCI Blazer 115 grain. At 100 yards I can consistently get 2-5 inch groups. When I'm dialed in and the conditions are right 1 inch groups or less at 50 and 3 inches or less at 100 (I've pulled off a couple 5 shots groups all touching at 100 but not consistently). At 25 yards offhand with a red dot its sub moa. My eyes aren't the best and the short sight radius doesn't help. Past 25 yards the iron sights are useless to me if accuracy is the name of the game. If not I can hit a 12 inch plate at 50 without an issue and a 5 inch plate at 25 all day.

My PCC seemed to prefer CCI over Remingtion, Winchester, Fiocchi, and Federal. The worst groups I got came from the Federal Synthetic crap that is "engineered" for the PCC. Its a flat nosed synthetic coated bullet that seemed to go everywhere but where I wanted. Bullet weight didn't make too much a difference.

I found that the Volquartsen Target Hammer reduced my trigger pull from around 4.2lbs to 3.2lbs and tightened my groups up considerably. Not so noticeable at 25 and 50 but a huge difference at 100.

My groups also tightened up significantly after I tightened the barrel. I tightened it to the point that the barrel would no longer mate with the receiver and then back it down a notch. Its super tight and a bit of a pain to take-down (no issues mating the two) but anything less gave me unsatisfactory accuracy.

YMMV
 
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Thanks Two. Lots of videos but none in the ammo test category that I can find. Lots of “see how fast I can empty a mag” stuff but my goal is to hit what I’m shooting at. Mine is not here yet but when it comes I’ll start with the CCI. My eyes won’t let me use the iron sights either so I’m thinking maybe red dot. Like all good collectors, I’ve got a box of scopes around here someplace and I believe there’s one in there.
 
I had one of the take-down models. Would have liked it better if the optic was on the barrel instead of the receiver. Mine shot OK, but if it was broken down and put back together, the zero wandered a bit.

I only ever tried some Federal, Winchester, and my reloads in it, and all gave basically the same results. A couple of inches on average at 50.

Dont remember what ammo I was shooting here, but this will give you an idea as to the shifts I was getting on breakdown and reassembly....

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I have two Ruger PC-9 carbines. Both shoot groups of about 3 inches at 100 yards regardless of what load I use.
 
Interesting with the shift; the take down is a useful feature.
Ruger PC Carbine requires an adjustment in order to stop the drift of the zero. There's basically a large nut that tightens the barrel to the mating part of the receiver just enough that the the takedown still works, but the zero stays when you take the gun apart. The forums are full of complaints about this design: people turn the adjuster in the opposite direction, it's hard to tell when you're doing it right, the click detent on the adjuster sometimes gets stuck, or lets the big nut to unscrew by itself when shooting, and so on. It works like a charm on both of mine: I only adjusted them once when I bought the guns. Cannot imagine why Ruger could not adjust it at the factory and be done with it.
 
I tighten the nut on mine just one click at a time until won't mate with the receiver and than back off one click. I never have adjusted since
 
If they would just put a piece of rail on the barrel, it would eliminate the problem.
 
zaitciev, do you regularly take your carbine down? Understand how the gun works, in principle, but never took one down.
As noted, I have the older, non takedown version, which, like all older Rugers, is almost Russian in its simplicity and ruggedness. But, of course, it won't take down.
Moon
 
Mot45acp, nice piece. Do you find the zero to change with a barrel removal?
Trackskippy's idea of the optic on the barrel makes sense. That must have been Ruger's thinking when they put the peep sight out on the barrel...which isn't remotely the right way to do a peep.
BTW, is the entire recoil mechanism contained in the rear section? My older model has the recoil spring and counterweight in the forend.
Moon
 
BTW, is the entire recoil mechanism contained in the rear section? My older model has the recoil spring and counterweight in the forend.
Yes, there are no action bars reaching across the breach plane. In order to make the action more compact, the bolt contains a sizeable tungsten weight.
 
Mot45acp, nice piece. Do you find the zero to change with a barrel removal?
Trackskippy's idea of the optic on the barrel makes sense. That must have been Ruger's thinking when they put the peep sight out on the barrel...which isn't remotely the right way to do a peep.
BTW, is the entire recoil mechanism contained in the rear section? My older model has the recoil spring and counterweight in the forend.
Moon
No notice of poi shift. But this isn't a gun I shoot for groups. It stays on 8" steel out to 150 yards with a little hold over.
 
No notice of poi shift. But this isn't a gun I shoot for groups. It stays on 8" steel out to 150 yards with a little hold over.
I hear that; PCCs shoot straight enough, but there are better choices for bragging groups.
Moon
 
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