2015年3月26日 · The 556xi was a replacement from Sig for a earlier model 556 that was disaster from the factory. Out of the box the xi is a severe letdown. The folding stock is about two …

2015年3月30日 · I hate it that this is my very first post, but I really need some advice. Last Friday I purchased a brand new 556xi. Took it to the range today to test it. The first 8 to 10 shots fired …

2015年4月6日 · The reason I purchased the 556xi was because my brother-in-law owns the 556xi Russian. His functions flawlessly and he loves it. As you've probably noted with my thread that …

2017年12月7日 · I purchased the 556xi R new for around 1100 last year. I haven’t had a problem out of mine so far. I was ***** the same shop marked the price down to 900 months later in the …

2014年4月12日 · Sig 556xi Russian(SBR) Sig P220 Sig P229 Sig MCX carbine (.223) Sig 229 Legion Sig P320 .45 acp. Reactions ...

2015年2月8日 · I've been lucky with both of my 556xi's, a rifle in 5.56 an now, my 556xi Russian pistol. I hope Sig fixes it for you. Sigs: P220 Elite Dark/226 Navy/226 Tac …

2014年10月4日 · Muzzle: My Sig 556xi Russian did not come with the muzzle brake that Sig has been showing in all of the SHOT SHOW 14 and advertisement videos and pictures. I was a …

2023年5月5日 · I lusted for one but popped popcorn and waited to see if Sig would support/adapt/perfect it and Sig then launched the 556XI as the remedy. Bought it, love it, …

2014年8月28日 · Just an FYI for anyone looking for Picatinny rails for the Sig 556xi SWAT (aluminium) handguard. I stumbled on the VLTOR CASV rail kit and decide to take a chance. …

2016年3月8日 · The Xi Russian upper in theory can be converted to 5.56 or .300 with a barrel swap and bolt change and using the 5.56 lower. Don't hold your breath on conversion kits, Sig …