CrossOut Posted April 26, 2020 Share Posted April 26, 2020 Hey guys I'm wondering if it's safe to run poly coated bullets out of a sig mpx given its gas operated.. will poly coat eventually clog up the gas port and tappet? For that matter laugo alien pistol also uses gas Piston delayed system. So I'm assuming there same applies here? Link to comment Share on other sites More sharing options...
AHI Posted April 26, 2020 Share Posted April 26, 2020 Know of 2 using SNS bullets and 1 using Blue bullets with no issues. Link to comment Share on other sites More sharing options...
chgofirefighter Posted April 26, 2020 Share Posted April 26, 2020 Never an issue with blue bullets on my Sig MPX, Major open guns and minor pistols~ Out of all the coated bullets and so called "coating" technoligies, etc I exclusively use Blue bullets on all of my pistols.. However, I do load Precision Delta bullets for my Major open guns now and strictly Blue's for everything else! Link to comment Share on other sites More sharing options...
36873687 Posted April 26, 2020 Share Posted April 26, 2020 Works 100% in blues. Not all poly is the same. Shot tons of bayou an blacks an sns. No issues either Link to comment Share on other sites More sharing options...
Polaris13 Posted April 30, 2020 Share Posted April 30, 2020 I shoot coated Bayou Bullets in my MPX. No issues at all. Keep it clean including the tappet and you'll be fine. Link to comment Share on other sites More sharing options...
Glockster1 Posted April 30, 2020 Share Posted April 30, 2020 I have two and shoot J-Ames Bullets coated bullets exclusively in both. They are not my choice of carry gun. They don't like some coated and plated bullets. And they only like certain nose ogive dimensions. Link to comment Share on other sites More sharing options...
NOSHMJ Posted May 19, 2020 Share Posted May 19, 2020 About 10k blues through my MPX sbr with a comp on it, and no issues. Link to comment Share on other sites More sharing options...
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