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Old August 24th, 2019, 04:20 AM #11
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I think that you need to find the ammo that you gun likes the best, and then sort the shells by weight and then if you want, get one of these gauges and sort them by rim thickness and/or runout.

https://www.neiljones.com/html/rimfire_gauge.html

https://www.amazon.com/Hornady-RF17-.../dp/B000PD1XJY

http://bulletin.accurateshooter.com/...-length-gauge/

https://www.hornady.com/reloading/pr...hickness-gauge

http://www.nielsonbrothersarms.com/2...centricity.htm

https://www.ebay.com/sch/i.html?LH_C...udlo=&_fosrp=1
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Old August 25th, 2019, 12:21 AM #12
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Quote:
Originally Posted by owgriffin View Post
I have a Ruger 10/22 target model with the heavy barrel and beautiful laminated stock. It is 1 moa at 100 yards and about a half inch at 50 yards. I would not even try at 200 as there is a fair amount of drop at 100.

One of the keys is cleaning. It builds up lead/copper rapidly and you can see the groups leaning down and to the left as the barrel build up slows the rounds down. Due to the small charge and heavy barrel heat is not an issue, but you have to clean it after about 50 rounds to maintain the best accuracy. Hope that helps. Also, of course is the issue with 22 ammo. The variation between really expensive ammo and just regular ammo is huge between shots. I don't know if the issue is quality control in general or variations in the weight of the bullet, but anything less than something like the 40g CCI's has really bad variability in the charge.
Interesting on the cleaning.

When I shot on the rifle team in college, we cleaned the rifles once per year, at the end of the season. NEVER during.

No copper, as all our match ammo was lead only.
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Old August 25th, 2019, 10:05 AM #13
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Quote:
Originally Posted by Pinecone View Post
Interesting on the cleaning.

When I shot on the rifle team in college, we cleaned the rifles once per year, at the end of the season. NEVER during.

No copper, as all our match ammo was lead only.
Yeah, there are varying opinions on cleaning target rifles.

In reality, it should come down to what works best for each particular rifle.

My Walther KKM UIT looses accuracy with cleaning and takes 20 shots or so to get back in its groove.
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2A ... Federal Preemption

Thus, the only inquiry that this Court should conduct is to determine whether the firearms prohibited by the Act are protected by the Second Amendment. Because they are, the Act is simply unconstitutional.
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Old August 28th, 2019, 11:28 AM #14
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I have a Clark Custom 10-22 and it is a sub MOA but I need to run high end ammo to get there.
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Old August 28th, 2019, 08:17 PM #15
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My bolt action Walther shoots MOA with 16 cent per round Eley SubSonic Hollow Point. If memory serves it did OK with RWS R-50 @ 32 cents per round, but couldn't get below .65 MOA with any version of Tenex, even the 40 cent per round stuff. It almost punched single holes at 100 with a particular batch of the old black box Aguila target, but Aguila doesn't make that exact ammo any more

The ammo has to be good, but it doesn't have to be the most expensive; just what is right for that particular gun.
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2A ... Federal Preemption

Thus, the only inquiry that this Court should conduct is to determine whether the firearms prohibited by the Act are protected by the Second Amendment. Because they are, the Act is simply unconstitutional.
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Old August 28th, 2019, 08:51 PM #16
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I shot free-standing metallic silhouette with my Remington 597. It started out as a regular $150 rifle from Walmart. Then Rimfire Challenge speed shooting came out so Scott Volquartsen and I built it for that originally complete with one of his original stainless steel and carbon fiber tensioned barrels. Turned out really accurate but not good cycling fast at speed shooting. So dropped in a Jard match trigger at 2# (actually tested at 1.5#) and found it shot sub-MOA out to at least 50 yards using plain old CCI SV. That's when I tried it out shooting metallic silhouette and won 3 club championships in a 6 year span. Have not tried better ammo although I have some Eley in my stock. Also used that rifle to just about run the table on my club's Winchester NRA Benchrest qualification. Never tried it out to 100 yards, however, only to 50.
I would really like to have one of the Swiss Bleiker bolt guns the guy used to do all the .22LR ammo tests with on AccurateShooter.com. That test showed that better ammo shot tighter in most cases but with all rifles sometimes you find a rifle that likes something cheap on occasion.
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