Mark 4 rings offer superior integrity and tighter tolerances that are based on the proven cross-slot design. They are compatible with Leupold PRW bases or any other Picatinny-style mount rails. This ring set has a matte black finish and is machined from solid steel. It has a 35mm ring diameter and a Super High mount height.

Mark-4 tactical bases are the only bases to accommodate both the oversized 8-40 screw and a 6-48 screw, providing compatibility with the widest range of modern tactical firearms, both styles of screws are included with each Mark-4 base.

Features:

Securely attach your scope to any M16 variant with a carrying handle using this rugged mount, delivers rock-solid stability for repeatable accuracy, use with Leupold QRW mounts
Secure your Mark-4 CQ/T scope to any Picatinny style mounting rail using this specially designed mounting bracket, 2-rugged cross-slot bolts secure the bracket for rock-solid durability
Mark-4 bases are available for nearly every long-range tactical weapon in use, including Remington 700, 721, and 725 long and short action models, Winchester model 70, 670, 770, and 70A, Savage 110 through 116, and Savage 10 through 16
Mark-4 bases accept Mark-4 rings, cross-slot rings, and QRW/PRW rings
Get a precise and repeatable zero every time with this quick-detaching mount for the Leupold Mark-4 CQ/T optical sight
With rugged, all-metal construction and a black, anti-glare matte finish, it's ready to handle any mission, fits all MIL-STD-1913/Picatinny style rails
System employs a slot and spline design, and comes in 1-piece and 2-piece configurations

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These items are controlled by the U.S. Government and authorized for export only to the country of ultimate destination for use by the ultimate consignee or end-user(s) herein identified. They may not be resold, transferred, or otherwise disposed of, to any other country or to any person other than the authorized ultimate consignee or end-user(s), either in their original form or after being incorporated into other items, without first obtaining approval from the U.S. government or as otherwise authorized by U.S. law and regulations.

WARNING: Handling firearms or firearms parts can expose you to lead and other petroleum products known to the State of California to cause cancer, birth defects, or other reproductive harm. Wash hands thoroughly after handling. For more information go to www.p65warnings.ca.gov (CA Health and Safety Code Section 25249.6).