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The Picatinny rail system features slots spaced at precise 5.23 mm intervals, enabling consistent and versatile use along its entire length. This system is designed for ease of mounting and is universally compatible; accessories designed for a Picatinny rail will fit seamlessly, irrespective of the manufacturer or the date of production. Known for its affordability, durability, and reliability, the Picatinny rail is a popular choice among professionals and military personnel, making it a dominant player in the scope mounts market in recent years.
The Picatinny design marks a significant advancement over the older Weaver standard. Unlike the Weaver system, which offers only a few predetermined slots, the Picatinny rail boasts continuous slots across its surface. This feature provides the flexibility to mount devices at any preferred location. Additionally, the slots on a Weaver rail are narrower, at 3.8 mm, allowing mounts designed for Weaver rails to fit on a Picatinny rail. However, mounts specifically made for Picatinny rails do not fit on Weaver rails due to the size difference of recoil stoppers. This compatibility and versatility make the Picatinny rail a superior mounting solution in various applications.
Contessa, an Italian manufacturer renowned for its high-quality scope mounts, combines decades of experience with advanced 3D technology and precision handcrafting. Recognized internationally, its mounts are not only functional but also aesthetically pleasing, featuring soft, rounded edges. Contessa Picatinny rails are machined to strict tolerances, and feature one of the best fit and finish. Each rail bears the distinctive golden Contessa logo, symbolizing quality and craftsmanship.
Founded in 1866 by Oliver Winchester, Winchester Repeating Arms Company has been pivotal in the development of firearm technology, particularly with the introduction of the lever-action rifle. The company's legacy started with the Model 1866, known as the "Yellow Boy." Over the decades, Winchester expanded its reputation with models like the 1892 and the Model 70, often referred to as "The Rifleman’s rifle." Owned by the Olin Corporation today, Winchester continues to influence the firearms industry with a diverse range of products from rifles to ammunition.
The Winchester XPR LA (Long Action) rifle, introduced in 2015, embodies modern bolt-action design. It features the M.O.A. Trigger System, which enhances user control and accuracy through a pivoting lever mechanism. The rifle operates on a push-feed bolt system with three locking lugs and a 60-degree bolt lift, contributing to its robust functionality. Safety is managed via a two-position safety mechanism. The XPR LA supports a detachable magazine holding three rounds and includes four pre-drilled holes on the receiver for mounting purposes.
Winchester Model XPR LA is available in the following variants: Dark Earth Combo, Hunter Mountain Country Range, Hunter – KUIU Vias, Hunter – Kuiu Verde 2.0, Hunter – Kryptek Highlander, Suppressor Ready Titanium, Hunter – Mossy Oak Break-up Country, Hunter Compact – Mossy Oak Break-up Country, Extreme Hunter – TrueTimber Midnight MB, TrueTimber Strata MB, Hunter – Mossy Oak DNA, Compact Scope Combo, Scope Combo, Thumbhole Varmint, Renegade Long Range, Stealth Suppressor Ready, Hunter True Timber Strata, Sporter, Standard, Compact, SR, Hunter – Mossy Oak Elements Terra Bayou, Hunter Scope Combo – True Timber Strata, Hunter Compact Combo in True Timber Strata, Green, Stealth Titanium, Titanium, Sporter Titanium, Sporter Titanium SR, Titanium SR.
Winchester Model XPR LA is chambered for the following calibers:
20 MOA inclination is only needed when the scope runs out of elevation. For example, when shooting at the range of 100 m, shooter gains 58.2 cm / 100 m of additional elevation range with a 20 MOA mount. This is approximately 5.8 Mrad of elevation. To make things even clearer – if the target was placed at 100 m, the scope with 20 MOA inclined rail would aim to the center of the target while the rifle’s barrel would aim 58 cm higher than the scope. This gives the shooter extra elevation needed for long range shooting. If you plan to shoot on distances longer than 600 meters, 20 MOA is most common. There is no negative effect of the inclined Picatinny rail in the mounting setup if you only shoot on shorter distances. The same goes also the other way around, since if you don’t shoot on extreme distances then Picatinny rail with inclination is not needed.
The Contessa Picatinny Rail for Winchester XPR LA is constructed from steel, known for its superior hardness and durability compared to aluminum, ensures a higher degree of repeatability with less wear over time. The picatinny rail features 14 slots and 4 mounting holes, all secured with 6-40 threading. A distinct central canal on the rail allows for the concurrent use of the rifle's iron sights, offering a reliable backup sighting solution without the need to remove the picatinny rail when there is nothing mounted on it. This picatinny rail is attached to the rifle with four screws.
Remove all the stains (grease, oil etc.) from the rifle's receiver with a cleaning fluid (acetone). Once the surface is clean and dry, check whether the screws match the rail and the holes on the receiver. Before mounting the rail permanently, apply a minimal amount of thread-locking fluid 278 or 648 on screws. Be careful not to get the fluid in or near the mounting holes. Carefully clean the remaining excess fluid around the rail with a cleaning fluid. Using a torque driver, screw the screws appropriately (up to 3 Nm/26.5 in-lbs).
If you require any mounting tools, you can find them on our Rifle Scope Mounting Tools page.
Each package comes complete with one steel rail, a sturdy wrench for easy installation, and four screws to securely attach the rail to your firearm.
This product comes with a 30-year warranty.