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|03-18-2010, 05:04 AM||#1|
Join Date: Sep 2003
Front Sight and neck left in chamber.
In trying to use my front sight as a rangefinder, my come-ups were way off. On gonculating this, I decide to actually measure the damn thing. It measures .051". It's a loaded M1A and came with that sight. I know that some sights are +.000", -.010" but this goes beyond even that. Any ideas?
Also, I had a neck come off after firing. Could this be an indicator of a dirty chamber? I hesitate to tell you how many rounds are through it in my "torture test to accept". Suffice it to say, it's never been cleaned or greased and this is only the second malfunction ever, other than a round of South African which sounded and felt way underloaded, so much so that I checked the bore to see if the bullet made it out.
|03-25-2010, 04:29 AM||#2|
Join Date: Nov 2001
Location: Las Vegas, NV, USA
Re: Front Sight and neck left in chamber.
I would call Claude at raparts.com and get a USGI NM front sight. Here's the tip from the canon for those who don't know,
"Assuming a 22 " barrel length, a 20 " wide target (frontal view of a deer) will appear to be the same width of the front sight post at the following distances: 0.062 " USGI NM sight - 230 meters (251 yards), 0.072 " commercial NM sight - 198 meters (216 yards), and 0.084 " USGI sight - 169 meters (185 yards)."
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