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Posted: 5/30/2012 2:10:04 PM EDT
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I found this neatly tucked between two studs in a crawl space while cleaning out my fathers house.
I wanted to share and ask a few questions. I vaguely remember seeing this about 30 years ago and I'm sure it hasn't been touched since then. At first I thought "cool a custom FF tube" but then I realized it's not a FF in fact it seems to be the complete opposite, because the hand guard only attaches at the gas block. It looks like a C M marked SP1 upper with a 17" barrel and magnetic gas tube. The threads on the barrel are 9/16x18, which apparently doesn't match up to any available flash suppressor... but should fit a standard chrome acorn lug nut just fine 
What do you think? just drill a hole in the end of the lug nut and you have instant bling for your rifle. The holes in the rear sight both seem to be about 5/64, why would they both be the same? This thing is solid and it's what comes to my mind when someone mentions a SHTF rifle, its comfortable, smooth, and sturdy enough to whack someone with it if necessary. I'm sure this was a custom job, but has anyone seen anything similar? Do you think there would be a heat problem under the enclosed handguard? http://i1268.photobucket.com/albums/jj579/scwell/SP1_RT.jpg http://i1268.photobucket.com/albums/jj579/scwell/SP1_SANSTUBE.jpg http://i1268.photobucket.com/albums/jj579/scwell/SP1_GASBLOCK.jpg http://i1268.photobucket.com/albums/jj579/scwell/SP1_ATTACHMENT.jpg http://i1268.photobucket.com/albums/jj579/scwell/SP1_THREADS.jpg http://i1268.photobucket.com/albums/jj579/scwell/SP1_SIGHT.jpg |
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