M14 Forum

Visigoth9 · August 27th, 2011, 03:14 PM

Quote:

Originally Posted by Orlando

Looks like shes shooting just fine with HXP, about as good as you can expect

Orlando, that's what I am thinking....I am sure I can get the group to close-up some playing around with 150 grain SMKs

but only AFTER I get some traffic through that tube with another hundred or 2 of HXP

Orlando · August 28th, 2011, 06:10 AM

Looks like you are on the right track
In my experince these 1950's replacement barrels just arent as accurate as other USGI barrels I have used.

Ivan1GFP · August 28th, 2011, 07:37 AM

Quote:

Originally Posted by cdec

Stock has nothing to do with accuracy its the BARREL and the shooter only that makes the difference. some people make too of a big deal about the stock, you can attach the barrel to a 2x4 and it will shoot just as good as a custom made stock it just won't look as nice. most people repeat what they hear from others that don't know much about anything.

I believe you are seriously incorrect and history is on my side. Yes, the barrel is what affects the bullet, but barrels are very flexible and move quite a lot when fired. What forces and contact points are on the barrel when it is fired will affect where the barrel points when the bullet leaves. That affects where the bullet lands.

Now back to the original point:
From my own experience, sometimes a newly chambered barrel may have burrs or there may be other imperfections in the bore. I remember one gun that shot very poorly after rebarrelling for about 100 rounds until magically, everything cleaned up. I believe running a bit of JB Bore paste won't hurt either.

If the original barrel was bent, then perhaps other stuff was also not in alignment and replacing the barrel with a straight one doesn't line up with the pieces off the old barrel?

- Ivan.

Ivan1GFP · August 28th, 2011, 07:54 AM

FWIW, The barrel on my DCM gun from about 20 years ago is also mid 1950s era and is pretty darn good.

The "Magic" load I use for .30-06 testing is a 150 grain bullet over 48.5 grains of IMR 4895. It has shot well in just about every gun of this caliber I have tried it in. The exact bullet type doesn't matter much nor does the case or primer (no magnums please). The velocity I get out of a M1 is around 2650 fps.

Regarding maxing out for windage, have you checked the front sight? Also, are you sure the barrel is indexed correctly? Is it possible your stock is warped?

Have you checked for copper streaks around the muzzle to make sure that the rifling isn't flared a bit there? How does a patch fit in the bore? Tight spots?

For peening barrel splines if it is necessary, I use a round bladed screwdriver. It will peen the splines just fine and there is almost no chance of damaging the bore.

Another goofy thing to check is the gas plug. I have heard that serious accuracy probelms may result if the vent for grenade launching isn't completely closed. BTW is there a gap between the gas cylinder and your front handguard? Does the tang from the gas cylinder clear both sides at the underside of the front handguard?

Just a few checks in no special order.
- Ivan.

PhillipM · August 28th, 2011, 10:48 AM

Quote:

Originally Posted by Orlando

Looks like you are on the right track
In my experince these 1950's replacement barrels just arent as accurate as other USGI barrels I have used.

Would you include replacement LMR's as not as accurate or are you just referring to SA's?

Orlando · August 28th, 2011, 03:23 PM

In my experience SA 50's barrels, havent used any LMR but they do seem to have a good reputation

TCAF · August 28th, 2011, 03:34 PM

Quote:

Originally Posted by Orlando

In my experience SA 50's barrels, havent used any LMR but they do seem to have a good reputation

LMR barrels shoot very well as a whole and are very desireable on HRA M1s.

PhillipM · August 28th, 2011, 06:22 PM

I've got an IHC that had a new replacement LMR barrel installed and turned into a glued and screwed match rifle shot very, guessing around 100 rounds and put up. I was just wondering if it needs more rounds down the pipe to come in. I shot two relays of a local JCG match at 200 and had the exact same slow prone score with my service grade Winchester on the second relay, a 168. I know it's nothing to write home about but I'm getting better.

Visigoth9 · August 30th, 2011, 02:12 PM

Everything I have heard or read about the LMR barrels for Garands was that they were a cut above in accuracy

I think I can make this barrel work based on its progress...

I have an original near excellent JLG cartouche'd stock (not a counterfeit) that is being held for me that I am picking up for this rifle, hopefully it will have a good lock-up

I am hoping I can get it tuned and tweaked enough to maybe do a JC Garand shoot or 2 with it

Visigoth9 · September 3rd, 2011, 11:46 PM

Just as a follow-on to last weekends work with the Garand here is a pic from yesterday's shooting (09-03-2011) On the bench, Iron sights, on the bags @ 100 yds.

This was my best en bloc of 8 out of 50 rounds made on a 6 inch paster

This group was fired using 3rd cycle Win Brass, 150 gr SMK heads 47 grains of IMR4895 and Rem 9 1/2 primers set to an OAL of 3.280

Seems I am getting closer to where I would like to be

Thanks again for all the help and tips
Regards
VG9

bd111 · September 4th, 2011, 07:31 AM

That's a good barrel. I count 8 that would be well within the 10 and X rings on the 200 yd sitting target. Lemme know if you still wanna dump it.