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special 7.62 NATO ball M118
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02-24-2010 07:57 PM
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thanks for the update on the round. I will now shift over to 748 to load some rounds and will get out the RL15 too. thanks,
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M118 load
For years the standard load was 42g of IMR4895,L.C brass,the 173g FMJBT bullet and
a Winchester LG rifle primer,2.8020" OAL.This is the M14
rifle load,it could not handle any more than that.The 173g M118 bullet always really weighted in at 175g.It varied a lot near the end of production,as the equipment wears out.Also in 1968,shooters stared pulling the USGI 173g bullet and replaced it with a Sierra 168g HPBT,they called it Mexican Match.The USGI M118 load also used
a NO 34 primer.The current M118LR load uses a Sierra 175g HPBT bullet.A advocate judge ruled that the Sierra bullet was not a true hollow point,but just a by product of the manufacturing process,so it did not violate the Geneva Convention on the use of hollow point ammo.And the military does not go by grains,but tests each batch for pressure to get the desired feet per second, the velocity, so it was not always 42g"s.That's why you cannot always go by what a USGI load measures in grains,when you are trying to copy it.The 42g,IMR 4895 load was known by shooters as the 'Camp Perry Load".And the 168g bullet drops below the speed of sound after 800 some yards,where the 175g bullet will go a 1000 yards at the speed of sound. The book value OAL for this is 2.800" but everyone I ever checked was 2.820".The magazine inside length determines the maximum length,and that is what a M14 rifle will take,no more.Of course a bolt rifle lets you play around with the OAL,but not on a semi auto rifle.They let the M16 service rifle shooters use a single round that is too long for the standard magazine.They have to use a heavy bullet to get out to 800-1000 yards.I never thought this is fair,I think the bullet should fit the magazine,in combat you do not use a super long bullet,that does not feed in your magazine.The M14 will not let you do this,as the M14 semi auto gas system will not handle this,the 175g bullet is maximum,any more will tear your gun up,or worse.Like the bolt going threw the back of your receiver into your head.My Stoner SR-25 Match rifle is really sensitive,it cannot handle the M14 load,it will rack the hell out of the gun,so I have to down load it.And the military is now using the SR-25 as their sniper rifle over the Remington 700 bolt rifle.That"s why the M14 remains a favorite,with the snipers over there.Its old,but it works.
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