Contessa Picatinny Rail for Heym SR30 (30 MOA)

About Picatinny Rail

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.

About the Contessa

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.

About the Heym

Founded in 1865 in Suhl, Germany, by Friedrich Wilhelm Heym, HEYM is a prestigious manufacturer of fine firearms. The company is renowned for its craftsmanship and innovation in producing hunting rifles and shotguns. HEYM initially made significant contributions with its patented hammerless drilling in 1891 and continued to expand its product line with high-quality firearms, exported notably to Russia and the USA.

About the SR 30

The Heym SR 30 is renowned for its exquisite quality and unique straight-pull bolt design introduced in 1998. This design allows for rapid bolt action, paired with a three-position safety mechanism that enhances ease of use. The rifle allows low scope-mounting due to its straight bolt, and irrespective of caliber, the bolt length remains consistent. The SR 30's action is rounded at the top with two mounting holes on both mounting surfaces. Additionally, the front mounting surface is positioned higher than the rear, offering a distinct mounting advantage​​.

Variants

Heym SR 30 comes in seven variations:

• Classic
• Classic Keiler
• Classic Premium
• Classic Concord
• Classic Royal
• Classic Grand Royal
• Super Classic

Calibres

Heym SR 30 is chambered for:

• .22-250 Rem.
• .243 Win.
• .25-06 Rem.
• .270 Win.
• .30-06 Spr.
• .30-06 AI
• .308 Win.
• 6.5x55mm SE
• 6.5x64 Brenneke
• 7x57
• 7x64
• 8x57 JS
• 8x64 S
• 8.5x63 Brenneke
• 9.3x62
• .270 WSM
• .300 WSM
• .300 Win. Mag.
• .338 Win. Mag.
• .375 Ruger
• 6.5x68
• 7mm Rem. Mag.
• 8x68 S
• .222 Rem.
• .223 Rem.

Inclination

30 MOA inclination is only needed when the scope runs out of elevation. For example, when shooting at the range of 100 m, shooter gains 87.3 cm / 100 m of additional elevation range with a 30 MOA mount. This is approximately 8.73 Mrad of elevation. To make things even clearer – if the target was placed at 100 m, the scope with 30 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, use of rail with 30 MOA is greatly recommended. A problem can emerge when a riflescope with less than 60 MOA of elevation adjustment is mounted on picatinny rail with 30 MOA inclination. With such riflescopes it is going to be very hard to zero the rifle on 100 meters. If however, a riflescope has more than 70 MOA of elevation you can use 30 MOA inclined picatinny rail without any problem. 

Design of the Rail

30 MOA inclination is only needed when the scope runs out of elevation. For example, when shooting at the range of 100 m, shooter gains 87.3 cm / 100 m of additional elevation range with a 30 MOA mount. This is approximately 8.73 Mrad of elevation. To make things even clearer – if the target was placed at 100 m, the scope with 30 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, use of rail with 30 MOA is greatly recommended. A problem can emerge when a riflescope with less than 60 MOA of elevation adjustment is mounted on picatinny rail with 30 MOA inclination. With such riflescopes it is going to be very hard to zero the rifle on 100 meters. If however, a riflescope has more than 70 MOA of elevation you can use 30 MOA inclined picatinny rail without any problem. 

Mounting Dimensions

• A=21.9mm
• B=118.5mm
• C=12.8mm
• BHU=1.5mm
• R1=15.0mm
• R2=16.5mm

Mounting Instructions

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.

What's in the box?

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.

Warranty

This product comes with a 30-year warranty.