Ruger 10/22 problems

#1
I've just had this from a pal in the good old US of A. Any suggestions?

I have been at the range recently and trying to get the most out of my Ruger 10/22. Firing at 50 yards, just about every ammo I use gives me groups that are good enough. I usually prefer the CCI mini-mags. At 100 yards, the high velocity ammo makes the groups scatter. The best I can say is that most of the time, the bullets hit the paper. When using the standard velocity ammo, I have some 2" groups or less at 100 yards. I have to order ammo as locally, it is hard to find standard velocity .22 ammo. What brand do you recommend? What do you think of Eley ammo? It comes Sport, Target, Match EPS, ect...

I'm ordering a box each of all sorts of quality low velocity ammo to try and see what performs well in my gun and at what cost. I'm looking to get my groups less than 2" at 100 yards consistently.
I wouldn't know what to suggest as I use so little .22 these days that I couldn't make a useful suggestion
 

Alsacien

MIA
Moderator
#2
I've just had this from a pal in the good old US of A. Any suggestions?



I wouldn't know what to suggest as I use so little .22 these days that I couldn't make a useful suggestion
I shoot Eley Tenex in 50mtr competition and Club for training - they are the same, just higher quality control on Tenex, 11mm groups clamped.
For 100mtr I use R100 from RWS, 20mm groups clamped.

The ammo can do it, dunno whether a Ruger can.....
 
#3
I've just had this from a pal in the good old US of A. Any suggestions?

I wouldn't know what to suggest as I use so little .22 these days that I couldn't make a useful suggestion
Has he tried bench firing it? I've never been able to fire a rifle as accurately as it's made.

That will take the human element out of it and he can then find out what ammo performs the best for the rifle at his required ranges.

Obviously, he's tightened all of the screws and made sure the 'scope mount is stable?
 
#5
Yes. The HV is supersonic as it leaves the muzzle, but is transitioning to subsonic before the 100yd target. Bad juju happens at about 0.9-1.1 Mach, particularly when transitioning through that region due to shockwaves & buffetting. This can wreck accuracy & even cause tumbling. You really need to be either subsonic or supersonic from muzzle to target. Well-understood phenomenon.

Nothing wrong with the rifle, which is why the SV ammo is fine.
 

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