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User Panel
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Posted: 5/17/2015 9:07:33 PM EDT
[#1]
Can only speak to my personal experience, but I have a Gen 2 556r which has been 100% reliable with steel and brass. I'm still running the polymer Swiss furniture, which is holding up well. The mag well has seen both metal and poly mags and the steel insert looks new. I've oly taken it out to 50 yards, but it groups at 1.5" consistently with an optic. I've never fired the 556xi, but I was unimpressed with the built quality when I handled one last week.
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Posted: 5/19/2015 11:44:39 AM EDT
[#2]
I also have the Gen 2 556R, and it has fed everything will all mags. I have an Aimpoint Pro on it, Troy rear BUIS and MI front BUIS. Also installed extended safety, and Hogue grip. I use the standard handquards and attached an Surefire Scout light using the supplied mounts for the standard forearm. My favorite mags are the Hungarian 20 round tanker mag, and the Yugo mags with BHO followers.
My only complaint is that it is a litte front heavy. Was looking forward to the lighter 556XI R, but with a lot of people having problems with the 556XIR, I will be hanging on the my 556R. The million dollar question will be if Sig will improve this new version, a "Gen 2" 555XIR or just put up with it. |
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Posted: 5/23/2015 9:57:03 AM EDT
[#3]
Gen 2 556xi? Doubt it.
I just took my 556xi R pistol out yesterday. 300 rounds of TulAmmo and 1 FTF. Then between rounds 400-500 I had about 8 short strokes. I thought that it might be a little dirty so I changed the gas setting to setting #2 and ran 5 rounds though it to "blow out the crud" at around round #380 but that didn't help. My major complaint with mine is short stroking. The other is the upper/lower receiver fit. It is very loose which is BS and affects accuracy. This is my first and last Sig rifle ever. I wanted something easy to SBR, which it will be SBRd. It will just be a plinking range toy. Normally I don't have anything in my safe that wouldn't be a SHTF weapon that doesn't work 100%. At this point I have 1500 rounds though my 556xiR, all Wolf or TulAmmo. I would say I have a 1.5% failure rate almost all of which are short strokes. Maybe I could fix the issue with putting a muzzle device that increase back pressure such as a barking spider. Not sure though. |
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