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More rail, better balance

The PTS Kinetic SCAR MREX M-LOK Mk2 4.25 inch Rail in Dark Earth is an officially licensed Kinetic Development Group Modular Receiver Extension for airsoft SCAR platforms. It extends the rail forward past the front sight and gas block, adding valuable accessory real estate and improving the overall balance of the rifle.

Designed for the modern hold

By pushing the rail out front, the MREX better accommodates the modern forward support-hand grip, giving you a more natural, controlled shooting posture. That extra length means lights, grips and sling points can be positioned exactly where you want them.

Mk2 M-LOK upgrades

This Mk2 version adds M-LOK slots at the 2 o’clock and 10 o’clock positions and replaces the traditional 12 o’clock Picatinny with M-LOK, opening up far more mounting options than the original design. Machined from lightweight 6000-series aluminium, it weighs around 192g and measures roughly 284mm overall.

Fitment and finish

It fits a wide range of gas and AEG SCAR replicas including Cybergun, VFC, WE and Tokyo Marui Recoil models. The Dark Earth anodised finish suits tan builds. Explore more airsoft accessories and parts at Platoon Stores.

General
BrandPTS
ColourDark Earth
Dimensions
Length4.25 inch (approx. 284mm overall)
WeightApprox. 192g
Other
Material6000-series aluminium
CompatibilityCybergun SCAR-H GBB, VFC SCAR-H / SCAR-L GBB & AEG, WE SCAR-H / SCAR-L, Tokyo Marui Recoil SCAR-H / SCAR-L
DesignKinetic Development Group MREX (Modular Receiver Extension)
ModelSCAR MREX M-LOK Mk2
Width55mm
Height54mm
Mounting interfaceM-LOK
Rail additionsNew M-LOK slots at 2, 10 and 12 o'clock

Frequently asked questions

Which SCAR replicas does this rail fit?

It is designed for Cybergun SCAR-H GBB, VFC SCAR-H and SCAR-L in GBB and AEG, WE SCAR-H and SCAR-L, and Tokyo Marui Recoil Shock SCAR-H and SCAR-L. Always check your model's receiver before ordering.

What is the benefit of the MREX over the standard rail?

The MREX extends the rail forward past the front sight and gas block, giving more room for accessories, better ergonomics for a modern forward grip and improved overall balance.

What changed on the Mk2 version?

The 4.25 inch Mk2 adds M-LOK slots at the 2 and 10 o'clock positions and replaces the 12 o'clock Picatinny with M-LOK, so you get more mounting options than the original.

How do I attach accessories?

Mounting is via M-LOK, so you use M-LOK compatible mounts for lights, grips, sling points and rail sections. A short length of Picatinny can be added with an M-LOK rail section if needed.

How much does it weigh?

It is machined from lightweight 6000-series aluminium and weighs roughly 192g, so it adds real estate and strength without unbalancing the front end.