Official - Weapons Banter Thread in Hall Of The Super Topics Posted November 23, 2003 m4a1 wha? No, I said "M41A," as in this beauty pictured here. And I wouldn't count on seeing the XM29 OICW just yet. That program is still ongoing, and from what I've seen, opinions are pretty mixed as to how effective it will actually be. you also need to find some acidic blood aliens to use it on and a side kick that only says game over.