All Steel, Solid, 3 Point Attachment
Fully-machined hardened steel mount with three-point mounting, provides a stable, secure base for mounting large objective scopes. Easily clamps to the charger guide dovetail and receiver mount lug without modifications to rifle. Heavy, forward locking screw gives rock solid stability at the receiver ring. Sight channel allows back-up use of iron sights without removing scope. Weaver has Weaver-style top rail. Picatinny uses a Picatinny rail for added sight mounting options. 7" Picatinny - Extended, 7" length Picatinny rail system allows you to use many sight mounting options. Tactical features a Picatinny rail but without the open sight channel. Absolutely can’t give under the tightest clamping torque. All accept Weaver-style rings.
Big Book Catalog, Issue:70, Page:254
SPECS: 4140 steel, black, nitride finish. Hardened to Rc 60-62. 5.38" (13.6cm) long. 1.875" (4.7cm) high. Weighs 10.9 oz (310 g). 7" Picatinny - 7" (17.7cm) long, 1.85" (4.7cm) tall. Weighs 15.3 oz. (435g).