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Yes...did that on a recent build when closest hole was <minimum torque value, next hole up was close to maximum. I like to stay on the lower end of the barrel nut torque range, so used a shim and all is good.
-Rainman
Just showed up in the mail. FA position is brilliant, and the receiver opposite the port door is absolutely THICC.
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Mine didn't have the BCM logo on the side. I'll bet yours cures cancer.
What did you use on the port cover rod instead of the circlip?
I still haven't made up my mind about the greatness of the FA location. I'm a lefty so you'd think standard locations would really give me a snoutful of gas, but they have never really bothered me, maybe because I generally shoot .223 vs. 5.56 suppressed, or unsurpressed for that matter. I haven't run any FTF drills yet, so unsure if it really makes a difference for left-handed operation.
I'm not regretting my purchase, by any means, I used it for a new 13.7 pin and weld. I'll probably take that barrel off on down the road and use the upper with an 18 or 20 inch barrel of known precision off another upper to see if it really makes a difference.
Last edited by 26 Inf; 01-07-20 at 19:12.
Patriotism means to stand by the country. It does not mean to stand by the President... - Theodore Roosevelt, Lincoln and Free Speech, Metropolitan Magazine, Volume 47, Number 6, May 1918.
Every Communist must grasp the truth. Political power grows out of the barrel of a gun. Our principle is that the Party commands the gun, and the gun must never be allowed to command the Party Mao Zedong, 6 November, 1938 - speech to the Communist Patry of China's sixth Central Committee
Stick
Board policy mandates I state that I shoot for BCM. I have also done work for 200 or so manufacturers within the firearm community. I am prior service, a full time LEO, firearm instructor, armorer, TL, martial arts instructor, and all around good guy.
I also shoot and write for various publications. Let me know if you know cool secrets or have toys worthy of an article...
Flickr Tumblr Facebook Instagram RECOILMAGAZINE OFF GRID RECOIL WEB
Last edited by 26 Inf; 01-08-20 at 02:39.
Patriotism means to stand by the country. It does not mean to stand by the President... - Theodore Roosevelt, Lincoln and Free Speech, Metropolitan Magazine, Volume 47, Number 6, May 1918.
Every Communist must grasp the truth. Political power grows out of the barrel of a gun. Our principle is that the Party commands the gun, and the gun must never be allowed to command the Party Mao Zedong, 6 November, 1938 - speech to the Communist Patry of China's sixth Central Committee
Stick
Board policy mandates I state that I shoot for BCM. I have also done work for 200 or so manufacturers within the firearm community. I am prior service, a full time LEO, firearm instructor, armorer, TL, martial arts instructor, and all around good guy.
I also shoot and write for various publications. Let me know if you know cool secrets or have toys worthy of an article...
Flickr Tumblr Facebook Instagram RECOILMAGAZINE OFF GRID RECOIL WEB
Yup. Probably could use some KAC shims I have.
Got it to line up at 75-80 pounds without shimming. Felt awfully tight.
I don't like how far my rear sight has to be cranked to zero, so maybe there’s something slightly out of square somewhere.
I’ll wait for th Mk2 to come back in stock and probably rebuild on that upper for giggles.
Last edited by naturerancher; 01-09-20 at 01:33.
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