M1 Garand ammo question

from what i gather,the damage to the op rod can occur because the powder in modern ammo is slow burning ? i can see it happening if you were firing high grain loads,but with 147 or 150 gr ammo should there be no issues?
 
If you're not reloading, use Hornady or Federal ammo that's loaded for M1's. Both companies make 150 grain FMJ's.
When you start reloading(factory ammo gets expensive quickly), use any 150 to 180 grain bullet with IMR4895, H4895, IMR4064 or Varget. The IMR and H 4895's are close but not the same. IMR4064 gives more consistent accuracy than IMR4895.
150, 168 and 175 grain Sierra Matchkings will do for target shooting as well. Match bullets aren't cheap though. Any 165 grain hunting bullet for hunting.
"...think that the War dept load for that rifle was 158 grain..." .30 M2 ammo used a 152grain flat based bullet. .30 AP used a 168.
"...IMR 4895 was apparently developed for..." Nope. Developed for .30 M1 ammo and its 172 grain BT bullet, long before the current M1 Rifle existed. The rifle was designed to use .30 M1 ammo, not .30 M2 ammo. There was no such thing as .30 M2 ammo when the rifle was being designed.
"...the 147-168gr range..." 150's to 180's. A 147 is a 7.62NATO bullet, but they'll do in an M1 using 150 grain data.
Literally millions of rounds of ammo was loaded and fired out of M1 Rifles with no fuss, long before there was such a thing as a Schuster or any other gas plug.
 
AE makes a specific ammo marked especially for the garand, that's the stuff I use.

ht tp://bulletin.accurateshooter.com/2009/05/federal-introduces-affordable-m1-garand-ammo/
 
An adjustable gas plug is a good idea no matter what you want to shoot. It lets you adjust your system to cycle just enough gas into the gas system to work the action, but bleed away any extra to take off strain from the rifle. Even milsurp 147gr FMJ bangs the rifle around some - ease off on that and your rifle will last longer. And, being able to adjust your gas system to shoot any 30-06 loads you want is a major bonus as well.
 
You can crank up the pressure in a 30-06 using light bullets too.
4320 with 120 grain bullets can get to red-line fast; I was shooting 180s from my M305 for a couple of years and had no probems at all.

Attenuting gas to minimum required is very smart thing with all gas guns and an adjustable gas system will give your better control.

Milsurp rifgles like the Garand were never designed with hot fast powders in mind so prophylactic load attenuation is a great idea,
 
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