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I fired a few rounds of Winchester Xpert 22 High Velocity (36 grain, lead hollow point) I've seen in the gray box at Walmart. It looks exactly like the Xpert22 but seems to have a different lube. The ammo is supposed to be 1280 fps velocity. I fired 5 rounds each in my 22A, Buck Mark and P22. It grouped very well, but the P22 did not want to feed the ammo. The P22 doesn't like Xpert22 either. The fellow that had it did 1-2" groups at 25 yards with an S&W Model 17. It seems to be a bit better than the Xpert22.

Some of the rimfire auto pistols don't like to feed the 22 hollow points very well. Ruger's don't always like them. The rounded nose or the power points do seem to feed well in all the models.

R,
Bullseye

What is a power point bullet?

Georgezilla wrote:What is a power point bullet?

Winchester "Dyna-Point" .22LR
http://www.MidWayUSA.com/Eproductpage.E ... mid=866708

Winchester "Power-Point" .22LR
http://www.MidWayUSA.com/eproductpage.e ... mid=144655

That picture doesn't look like the Powerpoint bullet I was mentioning. The bullet nose of the one I was referring is more rounded with a very small hole in the center. Basically it is a round nosed bullet with a tiny hollow cavity.

R,
Bullseye

These seem to have a flatter point. They look identical to the white box Xpert22's. The seem to have a better coating and reportedly a more consistent powder charge as judged by bang, bang, bang instead of bang, pop, bang, phfft.

bang, pop, bang, phfft

I hate it when they do that...............

greener wrote:as judged by bang, bang, bang instead of bang, pop, bang, phfft.

it's hard to argue with In-depth and precise research data...

Charles Babbage:
Errors using inadequate data are much less than those using no data at all.

toyfj40 wrote:

greener wrote:as judged by bang, bang, bang instead of bang, pop, bang, phfft.

it's hard to argue with In-depth and precise research data...

Charles Babbage:
Errors using inadequate data are much less than those using no data at all.

I believe what I was using was a "hand waving" analysis. When you don't have data, you talk fast and wave your hands a lot.

I shot some of the Xpert HV today. It did very well in the single six. Good consistency in the MKIII 22/45, MKIII Hunter and MKII GC. However, I had feed problems with the ammo. In the 22/45 after the second mag, every round would hit the feed ramp. The Hunter and GC had intermittent problems with the round (not the first one) hitting the feed ramp. Enough so that I unloaded a magazine. No problems with Federal 40gr SV lead. Will have to see how it works in the Buck Mark and P22.

greener wrote:I shot some of the Xpert HV today. It did very well in the single six. Good consistency in the MKIII 22/45, MKIII Hunter and MKII GC. However, I had feed problems with the ammo. In the 22/45 after the second mag, every round would hit the feed ramp. The Hunter and GC had intermittent problems with the round (not the first one) hitting the feed ramp. Enough so that I unloaded a magazine. No problems with Federal 40gr SV lead. Will have to see how it works in the Buck Mark and P22.

You are waving your hands around too much when you are talking and the breeze is making it cold up her, too bad, you were probably sweating while you were shooting. Don't mess with that ammo go back to the stuff that works.

I have been shooting up a partial box of the "Expert HV" that I had in my newly aquired MKII 22-45. It cycles fine when the gun is clean but as it gets dirty the "failure to feed" malfunctions start to occur. Round starts into the chamber but the gun does not go into battery. I have not had this occur with any other ammo I have tried.
Charlie

laportechaarlie wrote:I have been shooting up a partial box of the "Expert HV" that I had in my newly aquired MKII 22-45. It cycles fine when the gun is clean but as it gets dirty the "failure to feed" malfunctions start to occur. Round starts into the chamber but the gun does not go into battery. I have not had this occur with any other ammo I have tried.
Charlie

You might want to donate that to someone who will shoot it in a bolt action rifle to get rid of it. If it ain't working good don't keep using it just to get frustrated. Another one to put on the don't buy no matter how cheap it is list.

I suppose it is wise to do as much research as possible before purchasing ammo that you've never tried before. I just picked-up a 500 count box of the Xpert HV's last night. I wasn't really shopping for cheapness rounds, and have never shot them before, but it was all WalMart had available. I've had no problems with other manufacturer's hollow points in my MKIII, so maybe, just maybe, I'll get lucky & these will work for me. The bullets do look a bit different (longer?)

"rimfire ammo" is more a study of Statistics than Ballistics...

the tolerances, mass, velocities and mostly QA/QC (Quality Analysis/Quality Control)
in mfg make most all of the differences in rimfire ammo...

A. Bulk-.22-ammo will have more "variance" in rimthickness, primer, powder, bullet
this ends up meaning that a "box of 500" XX ammo may shoot great,
go get another box from a different 'lot #' and you'll likely have different results.
B. the "shooter" steadiness is probably a bigger factor than the ammo...
you can learn to control your Sighting, TriggerPull, FollowThru...
you can only "shop" for consistent ammo...
C. don't over-expect the equipment to make a difference...
most of the basic, clean properly-functioning firearms are
more accurate than the Finger, Grip, Arm, Eye that is controlling the shot...

I'm not attempting to be critical, just shining a light in a dimly-lit corner.
just be safe, learn and enjoy the "inner self"...
-- toy

reference: http://www.ShootingTimes.com/ammunition/eley_101405/