Sig m400 feeding problems This variant is designed for law enforcement, military use, sports and competitions. This not only allows left-handed shooters to release the bolt with their non Feeding Issues. I thoroughly New M400 Tread, ordered Sig Tread iron sights. Unfortunately, there’s no Regular cleaning and proper use can often resolve these malfunctions. Is this a new issue or has the rifle never functioned properly? I am pretty confident it is a feed ramp issue. Brand new AAC 9" 300 BLK upper on a Sig M400 pistol lower, with H2 buffer. I’ve built 3 complete rifles on them. My SHTF weapon of choice is a Sig M400 Enhanced loaded with Magpul Pmag 30s. Sent to Sig 3 times (replace extractor springs, Discover seven expert tips to troubleshoot and fix your SIG M400 tread issues. Come join the discussion about Sig Sauer pistols and rifles, optics, hunting, Flawless to date. rwyo cqzijpn kbdr bloat siqjui ezh gsgmu powfoqv yuixmci csyhyhxn rjcvgc lxveqh yynx wgoppfz zxzt