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Posted: 2/23/2012 6:08:23 PM EDT
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SAA: Lower
Mark's Armory: stainless steel 7.5" upper (no M4 Ramps, 1:9 twist) BCM: bolt carrier group & gunfighter medium latch charging handle, ambi-safety Magpul: stock, grip buffer plate,gen2 front & rear flip sights, trigger guard RRA: pistol buffer tube, spring, buffer PSA: lower parts kit (single stage trigger), with JP reduced tension springs Primary Arms: micro-dot on quick release riser/base KNS: .052 front sight post Weather permitting I hope to test run it this weekend..... (I don't want to dig through snow for my brass) I'll update as soon as I do. The upper fit nice and tight to the lower, the lines and color match real well. I kind of expected that it would, both are from the same forging company (the little tell tale key hole stamp is on both). Off the top of my head....about $800 give or take...... 
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DAMN!! that is one fine set up, better looking than most AR Pistols i've seen.
hey, can i ask you for a quick favor? in another thread, i was trying to gather spec's on various pistol buffer tubes. could you please tell me the exact diameter of your tube (around the knurled area) an it's length (from the tip to where it enters the lower)? it would be greatly appreciated  if you don't have a caliper to get the diameter with, just let me know the circumference and i'll do the math. thanks.
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well...I couldn't resist...
even in the snow I had to fire it off. Started with Wolf just to get the sights dialed in.. 2 shots...failure to extract... repeat.... a few more... OK...I'll try my reloads...I know they work in my other rifles and they're loaded to the hotter end of the spectrum.. 1 shot...failure to extract. Repeat. Damn... OK....swap the BCM bolt carrier group for the PSA..... and all problems were gone. It ran like a raped ape. I only had an hour of descent day light so I only dialed it in at 25 Trying to weaver stance that guy steady on 50 yards is going to be difficult..... Recoil is non-existent, no muzzle rise with either load..(except I will dedicate a load recipe for the pistol, on the lighter side....7.5" isn't a lot of barrel to burn all the powder..) So...I took the bolt out of the BCM and installed their "o-ring" and will try that out another day... The BCM bcg I bought a year ago as a spare. *UPDATE: BCM O-Ring on the extractor spring took care of the issue (leads me to believe the PSA bcg has a stronger K factor on their springs than BCM does)... Pistol runs like a champ with both GI and P-Mags. The Micro dot is hard to find and actually slows down sight acquisition on a pistol...so I think that's is getting swapped for a laser or something else...definately needs something with a bigger window/field of view... Red Neck Indian: RRA buffer tube is 1.25" diameter....all the way.... You'll have to calculate overall length....(I am not pulling it...its blue lock tighted in) The Magpul plate I am using is .125" thick and there 7" of tube beyond the buffer plate. The tube threads into the receiver fully and needs no modification to hold the buffer retaining pin. Swapped the Micro out for one of Primary Arms AA red dots.... Much quicker target inquisition and didn't add any noticeable weight 
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