Ultimate Arms Gear Tactical Heavy Duty Scope Sight Red Dot Weaver Picatinny Rail Mount For The M14 M-14 M1A & Norinco M305 Battle Rifle This M1A and M14 Rifle Scope Mount is a tactical mount made of ultra solid heavy duty & precision machined aluminum with steel at the stress points. It features an industry standard 12 slot (approximately 6.2" long)Weaver/Picatinny style rail for mounting optical sights, scopes, scope rings, flashlights etc. This quality mount attaches using the Two-Point System with 2 large thumb screws, standard on M1A and M14 Rifle receivers. This enables the mount to securely lock on 2 points and is quickly detachable. Does not require drilling holes in your receiver or modifying your rifle in anyway.