With SIG Sauer producing compact ARs that we all hope would have airsoft versions, we can add another one to the wishlist --- the SIG Tread M400 AR Pistol. The Firearm Blog TV takes a look if this value AR pistol is worth it... "In this episode of TFBTV, Hop shoots the new pistol variant of the SIG M400 Tread, to see how SIG-Sauer does a value AR. How does it stack up to the Ruger AR-556 as an AR, and as an AR pistol? Let's find out!"