Surplus Leupold Mark 4 2.5-8x36mm MR/T M3 Scope (MK12 Mod H)

Surplus Leupold Mark 4 2.5-8 x 36mm MR/T MK12 MOD H Scope 

These collectors pieces are extremely difficult to find and the trophy piece for a complete MK12 build. The scopes are a piece of history! They have been issued and used in the field an do shows signs of wear! Blemishes vary from scratches on the finish, spray painting and dents in the objective bell. With this, these scopes are being sold as-is with no warranty!

The Leupold Mark 4 scope, particularly the 2.5-8x36mm MR/T TS-30A2 and 3.5-10x40mm LR/T M3 variants, holds significant historical importance due to its role as the primary optic for the U.S. Navy’s Mk12 Special Purpose Rifle (SPR), a designated marksman rifle used by U.S. Special Operations Forces from the early 2000s until 2017. Developed in collaboration with the Naval Surface Warfare Center Crane Division, the Mark 4 was selected for its exceptional durability, optical clarity, and versatility, meeting the rigorous demands of military operations during the Global War on Terror, including deployments in Operation Enduring Freedom, Afghanistan, and Iraq.

The Mark 4’s design addressed the military’s need for a robust, combat-ready scope that could withstand extreme conditions—described as “jump proof” and capable of enduring submersion up to 66 feet and harsh environmental stresses. Its 30mm tube enhanced light transmission and strength, while features like the Mil-Dot and later Tactical Milling Reticle (TMR) provided precise range estimation and windage adjustments, critical for engaging targets at the Mk12’s effective range of up to 600-700 meters with 5.56x45mm NATO ammunition, particularly the Mk262 77-grain round. The TMR, introduced around 2004, offered improved precision over the Mil-Dot, enhancing accuracy for long-range and crosswind shooting.

The scope’s adoption across U.S. military branches, including its use on the Marine Corps’ M38 Squad-Designated Marksman Rifle, underscores its reliability and adaptability. Its rugged construction, featuring nitrogen-purged, waterproof, and fogproof capabilities, set a standard for tactical optics, influencing modern scope designs. The Mark 4’s legacy is further cemented by its limited production runs, making models like the TS-30A2 collector’s items for military historians and Mk12 clone enthusiasts. Its technological innovations, such as the Xtended Twilight Lens System and DiamondCoat 2 coating, contributed to its reputation as a benchmark for tactical scopes in the early 2000s, shaping the evolution of precision optics for military and law enforcement applications.