Improvements For Your AR & AK
GardenSERF sends.
Try it.
Let us know your results.
posted by Concerned American | 3:10 AM
Western Rifle Shooters Association
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Tuesday, September 21, 2010
5 Comments:
I have lived with various models of the M-16 for many years in the military in all different environments... going all the way from the XM-16 through the M-4.
This includes shooting High Power Competition.
After I got out I have owned and built various AR's from Bushmaster DCM's to customized variants, and I believe the O ring to be a non issue and of no use on the AR platforms.
It wouldn't make much of a difference, as the bolt, barrel, sights, etc. are firmly attached to the upper, so as long as your sights are properly aligned the bullet strike should be true... the only thing the lower does is support, feed and fire the upper.
IMHO, the only thing really needed for the "average" AR is improving sights and/or the trigger system.
The problem with that on an AR is that the improvements offered by an AccuWedge/O-ring/whatever are minuscule, since they all occur downstream of where your major components of mechanical accuracy live. (The sights, barrel, and BCG are all on the far side of your o-ring.)
If you want to build a DCM or varminter AR, then go 'head and use an o-ring or AccuWedge or whatever makes you happy. Or buy a Remington 700. If you're going to use it on human-size targets inside of 300m in a fast-moving environment, I don't know that it makes that big of a difference. It doesn't really hurt anything to put one in, except it makes it slightly more of a pain to reassemble after field-stripping. But you're probably field-stripping your AR too much anyway...
If it takes out excessive slop and improves the rifle by only 1 moa this may make the difference between a hit and miss (or a solid center hit) with a rifle "inside 300 yards". Two to three inches can make plenty of difference on a head shot or a small area of exposed target in an urban setting.
If the upper swims around inside the lower then you don't have real stability. You wouldn't loosen up the screws holding a Rem 700 barreled action inside its stock before you went shooting with it, yet for some reason the same people believe looseness "makes no difference" when it comes to the AR15 platform.
Tam - "But you're probably field-stripping your AR too much anyway..."
http://www.thefirearmblog.com/blog/2010/06/09/a-clean-wouldnt-hurt/
Anonymous said... If it takes out excessive slop...
If you have that much "slop" in a rifle then you need a new rifle, most military based rifles are built to have a certain amount of "slop". Mainly for being able to swap parts on the fly and ease of maintenance in the field... the average AR is no different.
Take the venerable old 1911 .45 Auto... I have used some that slap around like a rattle but are dead on. Good for competition? No! but dead on for what they are designed for... hitting center of mass and taking a "target" down.
Most AR's are not 1 MOA "tack drivers", if you want that you'll have to spend the money for a quality AR... the O ring was posted as an all around "upgrade" for the common AR, and that IMHO is wasted time and effort.
I have fired many M-14 "battle" rifles, they are great for shooting in the field, and in their own rights a "tack driver" at extreme distance. BUT while on the Rifle Team we used a different variant, a much tighter "match grade" rifle for competitive performance at the end of their maximum range.
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