Does errosion really matter that much?

[Pmoore87]

I want to ask everyone what they think? My rifle has 2.5 at the muzzle which I understand should be affecting the accuracy quite a bit, however I do not think this is the case.

Where is a barrel no longer serviceable? And for you guys that shoot match, where are your barrels?

Also what can I do myself that will help accurize the rifle more? Roll pin, laminate stock etc?

And off the topic, but can you use your Garand in single shot during competition?

I have been doing this because I love her, and I want to reduce the wear on the receiver as much as possible.

[metalliman545]

I want to ask everyone what they think? My rifle has 2.5 at the muzzle which I understand should be affecting the accuracy quite a bit, however I do not think this is the case.

Where is a barrel no longer serviceable? And for you guys that shoot match, where are your barrels?

Also what can I do myself that will help accurize the rifle more? Roll pin, laminate stock etc?

And off the topic, but can you use your Garand in single shot during competition?

I have been doing this because I love her, and I want to reduce the wear on the receiver as much as possible.

I think the other parts will wear out before your receiver.

[rojocorsa]

Probably not really, especially for a weapon of war that's not a target rifle.

I was never in the running to be a precision rig in the first place. IMO, milsurps are fun for ringing steel plates and whatnot; it takes the pressure to get good groups off.

[pro-nra]

I want to ask everyone what they think? My rifle has 2.5 at the muzzle which I understand should be affecting the accuracy quite a bit, however I do not think this is the case. 2.5 MW is not bad. Still have plenty of life left.

Where is a barrel no longer serviceable? And for you guys that shoot match, where are your barrels? My match M1 is TE 2 & MW 1. Will shoot in the high 20s - low 30s at our silhouette match.

Also what can I do myself that will help accurize the rifle more? Roll pin, laminate stock etc? Some things are simple that you can do yourself. Make sure your op rod is not binding anywhere on the furniture or a ferule. Ferule should be solid on the barrel. Relieve the rear handguard so it does not touch the front of the receiver. Relieve wood on the front handguard so it is free to slide by hand at least the thickness of a credit card. Peen the spline on the barrel so the gas cylinder is tight. Find and op rod that works with your bolt, gas cylinder and receiver so it will pass the tilt test. If you are up to the task hone the bearing surface of the sear/trigger. Just some simple things you can do.

And off the topic, but can you use your Garand in single shot during competition? You sure can. All we do is single load at matches per match rules.

I have been doing this because I love her, and I want to reduce the wear on the receiver as much as possible.

Grease it well and that receiver will last for generations to come.

[6mmintl]

Keep seating the bullets out and single load, replacement barrels are low cost $190 +$100 to install avg.

Remember 1 of 6.8 million and that's not rare/collectable unless "Unfired".

[metalliman545]

Keep seating the bullets out and single load, replacement barrels are low cost $190 +$100 to install avg.

Remember 1 of 6.8 million and that's not rare/collectable unless "Unfired".

or in its sniper configuration.

not collectable? I would say they aren't rare, but they are certainly collectable.

[smle-man]

The muzzle is critical to accuracy, the throat not nearly as much. I've seen Lee Enfield rifles that have the first inch of barrel at the chamber completely eroded from extensive cordite use that still shoot just fine at distance.

[Grendl]

The muzzle is critical to accuracy, the throat not nearly as much. I've seen Lee Enfield rifles that have the first inch of barrel at the chamber completely eroded from extensive cordite use that still shoot just fine at distance.

Agreed.

[RAMCHARGER]

The muzzle is critical to accuracy, the throat not nearly as much. I've seen Lee Enfield rifles that have the first inch of barrel at the chamber completely eroded from extensive cordite use that still shoot just fine at distance.

YUP thats my Lee Enfield Inside of barrel looks like a NY sewer but it hits bowling pins at 200 yards.

[iron cannon]

GCA journal did a series( 4 part) on barrel erosion and accuracy called "Shooting Out an M1 Barrel".

The 4th part (volume 27- issue 3- summer 2013) showed that TE was linear through out the the barrels life ( started with a barrel at a TE of 2 and and ending at a TE of 8 after 14,000 rounds).

At about 13,000 rounds and a TE of 7 they considered the barrel shot out( 25% of the rounds outside the black on a SR-1 target at a 100 yds and at 14,000( just 1000 more) 56% were out of the black).

Interestingly the ME was not linear ( started at less than 1(.684) and ended at 2.49 at 14,000 rounds). So it seems that while a high ME would cause the rifle to be inaccurate ,thats not where the normal wear is in a M1 barrel over its life, and that you should be looking at the TE as an indicator of( accuracy) how far along the barrel is in its life.

[smle-man]

At least in Lee Enfields throat erosion is more of a problem with boat tail bullets than flat base bullets. Lee Enfields with excessive TE won't stabilize BT bullets well but shoot fine with FB bullets.

[pro-nra]

I have to agree that TE is more important than MW as that is the hottest part of the barrel when super heated gas erodes the throat and affect accuracy. It is wise therefore for a C&R collector to have a TE and MW along with headspace gauges.