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Old 05-03-2021, 10:05 AM
lasnyder is online now
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SBR for Steel Challenge



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a 10" CMMG dedicated upper and bolt group is very quick handling, easy to maintain, and with the larger magazine only one interruption to your strings to reload... plenty of aftermarket trigger options, and reliability I don't see with 10/22 and 15/22 that friends shoot... I use poly magazine lip Black Dog Machine mags
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Old 05-23-2021, 11:40 PM
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I think maybe I just got lucky, but my 15/22 shoots very reliably. It wouldn’t cycle standard velocity ammo initially ( no surprise there) but after the first brick or two of high velocity it shoots standard fine too.

My recollection puts my malfunction rate at less than one per 500 rounds, which is pretty darn good

I do like the looks of your rifle though.
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Old 05-27-2021, 02:54 PM
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I added the Bore Buddy heavy duty firing pin... I think the SBR is about done... ordered the VQ trigger, sear and hammer for 22/45 MK IV...local club shoots a Rimfire Challenge match... 3 stages, you shoot the pistol first, then rifle...5-7 targets
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Old 10-04-2021, 01:24 PM
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I wanted to try RFRI and really enjoy shooting my SBR'd CMMG conversion....my cousin is an excellent amateur machinist... we chopped the barrel of the 16", and had previously drilled and tapped the front sight base for set screws (for a trial to see if I could see the front sight in focus with my cataract corrected glasses)... indexed the front sight, tightened down the set screws and then drilled and added a roll pin for good measure.. will get a chance to play with it tomorrow... regards
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Old 10-09-2021, 07:38 PM
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final thoughts... I couldn't track the front sight well enough with the protective wings on the sight tower... so even after all the work, removed the sight tower and went back to a longer fore end with top rail.... chopped the wings off a UTG flip up, painted the sight and will give it a go..... regards
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Last edited by lasnyder; 10-09-2021 at 07:48 PM.
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Old 10-14-2021, 09:49 AM
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upper works well, much easier to track without the protective wings, but does leave the thin sight post exposed... I fold it down for carry in the gun case,with a protective cup around the muzzle... have ordered a much stronger looking (front to rear) post from Blitzkrieg Components, and will give it a try.... I think the evolution is complete except for some minor tweaking... I may open the smaller aperture sight a little bit, but the large aperture is plenty accurate for Steel Challenge.... regards Les
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Old 11-13-2021, 09:35 AM
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final modification of this post... added a Striplin fiber optic on the rail (it folds to somewhat protect it in the gun case) it comes with a rear sight, but I opted to use the carry handle OEM rear sight with the large aperture
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