Original U.S. WWII Era M4 Collimator Sight With Leather Carry Case - As Used on 60mm and 81mm Mortar Systems Russian Machine Guns along with the recoil /

along with the recoil / main spring

14" armpit to armpit

English Pounds

We were not able to find any markings on the helmet

The dagger was based upon the RLB dagger (Air Raid protection) and utilized a number of RLB components

Original U.S. WWII Era M4 Collimator Sight With Leather Carry Case - As Used on 60mm and 81mm Mortar Systems Russian Machine Guns along with the recoil /Original Item: Only One Available. This is a fantastic example of an M4 Collimator sight with an equally nice leather M14 carry case. This sight was used on both the US 60mm and 81mm mortar systems. By laying the sight on aiming stakes, the mortar squad could fire indirect missions. The open sight allowed the squad to fire direct lay missions. A collimator sight is a type of optical sight that allows the user looking into it to see an illuminated