ProMag COL-A22 AR-15 Tan Polymer

A: Eugene, yes sir, this will fit in the Omni Hybrid Maxx. It uses standard AR15 style magazines. Stay safe & have a great day!

A: If you don't want the bulging nature & weight of a full drum then this is the way to go. This will fit & function just fine for the ATI Omni Hybrid Maxx!

A: Hi Eugene, the quad stack 60rd ATI S60 Schmeisser is slightly shorter than this magazine and holds 18 more rounds : https://www.budsgunshop.com/product_info.php/products_id/132070/ati+atim556s60wmle+s60+schmeisser+223+rem5.56+nato+american+tactical+imports+schmeisser+s60+60rd+black+polymer+detachable+magaz - Cheers and stay safe! https://www.youtube.com/watch?v=CZi5bie3ZBc

A: Eugene, yes sir, this will fit and function just fine in your ati omni hybrid Maxx. I normally don't like promag products but I actually own this and have used in several AR-15s with good results. It also states it holds 42 rounds but can fit 44-45 rounds in it. If interested here's a link to a 40 round Magpul magazine that will fit that I'd also recommend but either one would be fine. Hope this helps, link here...................... https://www.budsgunshop.com/product_info.php/products_id/1130/magpul+pmag+m3+223rem+40rd+black