Since the first introduction at the Shot Show several years ago, the L-R 300 evolved and changed the exterior design.

The gas system used by Z-M Weapons solves the problems related with the traditional systems used on the AR rifles and additionally allows the use of a completely foldable stock that makes this gun extremely compact allowed by the foldable stock (foldable on the left side). The only firearm they offered for sale was the LR-300 until the Shot Show 2008 where Z-M Weapons introduced the all new LR-500 In addition to their rifles they manufacture and distribute accessories. Civilian (semi-automatic only) versions also were offered to general public, but at prices well above the average price of AR-15-type rifle. The reworked LR-300 rifle will be sold in USA as Para Tactical Target Rifle, with first sales sheduled to early. Z-M Weapons intended its rifles mostly for military and law enforcement personnel, by offering LR-300-ML weapons with short barrels and select-fire capability. The model name LR-300 stands for Light Rifle and 300.

The company specializes in the AR-15, M16, and its own LR-300 rifle. The LR-300 rifle was manufactured by the small US-based company Z-M Weapons between 20, when all rights for the design were sold to the Para USA, the US-based subsidiary of the Canadian pistol maker Para-Ordnance Ltd. The Z-M LR-300 is an American rifle designed by gunsmith Allan Zitta and manufactured by Z-M Weapons. Z-M Weapons is a firearm design and manufacturing firm based in Bernardston, Massachusetts. AR-15 type rifles, M1911-style custom pistols, and tactical accessories

Zm weapons lr 300