BudsGunShop.com - DI or Pistion
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Now I know the game, thought being as what I was looking at would come up with the question....does not.
Looking at a Sig LE M400 in 556 and it does not say if DI or Piston. From what I can see on the picture it looks like it could be gas but with the hand guard they way it is can not say for sure. Thanks.
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Robert, thanks for the follow up. The Sig LE M400 uses a Direct Impingement Gas System. Cheers and stay safe!