The monolithic factory Picatinny rail on the SCAR platform is notoriously blocky, cheese-grater harsh on un-gloved hands, and front-heavy. Standard extension rails often extend far past the gas block, ruining the compact aesthetic and weight distribution of 10-inch SBR setups.

Officially licensed by Kinetic™ Development Group, the PTS SCAR MREX™ MK2 2.2” Rail delivers the modern ergonomic solution SCAR operators have been waiting for. Machined from 6000-series aluminum, this lightweight upgrade weighs only 152 grams while streamlining the entire front end. Designed to end just ahead of the front sight and gas block, the 2.2-inch version gives you extra real estate for a C-clamp grip without awkward overhang on short barrels. The MK2 revision introduces M-LOK slots at the 2 o'clock and 10 o'clock positions, allowing high-and-tight weapon light placement to minimize shadow casting and equipment profile.

Key Features & Technical Highlights

• Optimized 2.2" SBR Length: Extends real estate forward without passing the gas block, making it the ideal length for 10" short-barreled rifle configurations.
• MK2 2 & 10 O'Clock M-LOK Slots: Includes added M-LOK mounting locations near the top spine to tuck weapon lights and lasers close to the bore.
• Slim Ergonomic Profile: Replaces the bulky 1913 lower/side rails with a smooth contour that facilitates the modern forward support hand grip.
• One-Piece 6000-Series Aluminum: Precision machined one-piece construction offers high structural durability while weighing a minimal 152g.
• Integrated Anti-Rotation QD Sockets: Features rotation-limited QD sling mounts on both sides for clean, tangle-free sling management.

Technical Specifications

• Brand: PTS Syndicate (Fully licensed by Kinetic™ Development Group)
• Product Name: SCAR MREX™ M-LOK™ MK2 2.2” Rail
• SKU / Part Numbers: KN014490307 (Black) / KN014490313 (Dark Earth)
• Material: 6000 Series Aluminum
• Dimensions: 232 (L) x 55 (W) x 54 (H) mm
• Weight: Approx. 152g
• Platform Compatibility:
  • Cyber Gun SCAR-H (GBB)
  • VFC SCAR-H (AEG & GBB) / SCAR-L (AEG)
  • Tokyo Marui Recoil Shock SCAR-H / SCAR-L
  • ARES SCAR Series

Operational Applications

• SCAR SBR & CQB Builds: Perfect balance for 10-inch barrels, providing comfortable hand placement without making the front end heavy.
• Low-Profile Accessory Rigging: Mount pressure pads, grips, and lights flush against the rail using 2, 4, 6, 8, and 10 o'clock M-LOK channels.