HG Firearms
Mauser 25 Extended Picatinny Rail
Mauser 25 Extended Picatinny Rail
Steel - QPQ
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Note: Installation requires gunsmithing. This rail mounts directly into the receiver and is used without the original saddle mount. This Extended version is extended backward by 30 mm compared to the standard length. A/B/C dimensions are not provided on the product page.
Specifications:
| Manufacturer HG Firearms is the manufacturer of this picatinny rail. Read more | HG Firearms |
| Material The material affects weight, durability, and application. Read more | Steel |
| Surface treatment QPQ is a surface treatment that increases wear resistance and corrosion resistance. Read more | QPQ |
| MOA MOA indicates the rail's inclination and can provide more elevation adjustment in the scope. Read more | 0 MOA, 10 MOA, 20 MOA |
| Screws | Screws included |
| A/B/C-dimensions A/B/C dimensions are used to check hole spacing and fit before purchase. Read more | Not specified – check on the rifle |
| Length | 165 mm |
This is included in the package
1 pc. Picatinny rail and screws.
MOA
MOA
MOA stands for Minute of Angle and indicates the cant of the rail. An angled rail compensates for bullet drop over distance by tilting the scope slightly forward. This gives you more elevation adjustment in the scope's turret – if you need to shoot very far.
For most both range and hunting scenarios, 0 MOA (flat rail) is more than sufficient. If you are shooting at longer distances or using a scope with limited elevation, 10 or 20 MOA can give you the extra margin you need.
Read more in our article: What is MOA, and when do you need it?
Material
Material
This rail is made of steel, which remains the classic choice for both mounts and Picatinny rails. Steel has high rigidity and is extremely durable. The material withstands repeated mounting and dismounting without the contact surfaces deforming.
Steel is heavier than aluminum, but for a Picatinny rail, the weight difference is practically minimal – typically under 50 grams.
Surface treatment
Surface treatment
This rail is QPQ-treated (Quench-Polish-Quench). QPQ is a salt bath nitriding process that creates an extremely hard and corrosion-resistant surface. The treatment penetrates the steel and is not merely a coating – even deep scratches will still reveal treated material.
QPQ provides a matte, black finish and is the most durable surface treatment for steel rails and steel mounts. A QPQ-treated rail requires minimal maintenance and can withstand heavy use in all weather conditions.
Read more:QPQ treatment – what is it, and why is it important?
Mounting
Mounting
Mounting this rail is quick and simple. The rail is attached directly to the rifle's receiver with the included screws.
Manufacturer's recommendation:
- Tightening torque: 3.5 Nm
- Use oil on the screws (NOT threadlocker)
- Tighten the screws in a cross pattern for even distribution
A torque wrench is necessary for proper installation. Overtightening can damage the threads in the receiver.
Read more: Mounting a Picatinny rail – complete guide
Fire
Fire
Rails and mounts from HG Firearms are designed and custom-made in Denmark. The primary material is steel, and no compromises are made. They are known for precision-manufactured steel rails with QPQ surface treatment, providing maximum durability and corrosion protection. HG Firearms covers a wide range of rifle platforms, focusing on quality and fit.
Read more about HG Firearms here:HG Firearms
See all products from HG Firearms:HG Firearms Collection
Compatibility
Compatibility
This rail is manufactured according to the NATO STANAG 2324 / MIL-STD-1913 standard (Picatinny). This means it is compatible with all standard Picatinny mounts, rings, and accessories – regardless of the manufacturer.
The Picatinny standard ensures that you can freely combine rails, mounts, and optics from different manufacturers. This gives you the flexibility to upgrade or change your scope without changing the rail.
See compatible mounts: Scope Mounts
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