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Midwest Industries MP5K M Lok Top Rail G2 Mount Black Fits MP5K Anodized Finish Black M LOK and Picatinny MI MP5KTR G2 UPC 812102036807
Product Description
The Midwest Industries® MP5K M-LOK® Top Rail G2 in Matte Black (SKU: MI-MP5KTR-G2 / UPC: 812102036807) is a premium, American-made tactical mounting solution engineered specifically for the compact Heckler & Koch® MP5K, SP5K-PDW, and mil-spec 9mm roller-delayed blowback clones. Providing a rigid, low-profile bridge across the stamped upper receiver, this second-generation optic mount brings 21st-century modularity to the iconic sub-gun platform while maintaining complete reliability during charging and clearing manipulations.
Precision CNC-machined from certified 6061-T6 aircraft-grade aluminum and treated with a battle-ready MIL-A-8625 Type III Class 2 Hardcoat Anodized finish, the MI-MP5KTR-G2 is built to endure harsh field abuse and high round counts without shifting zero. The upper spine features an ultra-low-profile MIL-STD-1913 Picatinny rail that positions micro red dot sights (such as Aimpoint Micro, Holosun 403/503/509T, or Trijicon RMR) at an optimal height for rapid, heads-up target acquisition. Uniquely engineered with forward side M-LOK® slots, the mount gives operators dedicated real estate to attach compact weaponlights, laser devices, or pressure pad clips directly adjacent to the optic line without adding bulky forward barrel clamps.
Engineered with tactical handling in mind, the forward profile of the G2 rail features beveled contour relief around the cocking tube and handle recess. This deliberate design preserves unobstructed clearance for standard and oversized charging handles, ensuring shooters can execute the decisive "HK Slap" lock-and-release drill without finger impact or snag hazards. Clamping securely to the factory stamped receiver optic lugs via four precision-milled steel claw feet, the mount guarantees rock-solid zero retention across sustained rapid-fire cycles.
*Armorer Bench Notes & Real-World Staging Guidance:*
Fitment Matrix: Direct fit for factory Heckler & Koch SP5K, SP5K-PDW, MP5K, and in-spec clone receivers including Century Arms/MKE AP5-P, AP5-M, PTR 9KT, and Zenith ZF-5P. CRITICAL: Will NOT fit full-size MP5 / SP5 / HK94 platforms (requires MI-MP5TR-G2) or .40 S&W/10mm receivers. Clamping torque: Tighten the four mounting claw screws evenly in an alternating cross-pattern to 20–25 in-lbs using medium-strength blue threadlocker (Vibra-TITE / Loctite 242). Do NOT exceed 25 in-lbs to prevent distortion of receiver optic tabs.
- Ensure the host MP5K/SP5K firearm is completely clear, magazine removed, and chamber visually and physically verified empty.
- Clean the upper receiver stamped optic lugs thoroughly with isopropyl alcohol to remove factory packaging oils, dirt, or grease.
- Loosen the four mounting clamp screws on the MI-MP5KTR-G2 so the steel clamping feet pivot freely, and position the rail squarely over the receiver tabs forward of the rear sight drum.
- Apply a drop of medium-strength blue threadlocker to each fastener thread and snug the clamping feet by hand, ensuring equal claw engagement on both the left and right receiver ribs.
- Torque the four fasteners evenly in an alternating X-pattern to 20–25 in-lbs using an accurate inch-pound torque wrench, then manually cycle the cocking handle to the lock notch and release to confirm unobstructed hand clearance.
Key Features
- Second-Generation Hybrid Interface: Combines a continuous MIL-STD-1913 Picatinny top rail with forward side M-LOK® mounting slots.
- Dedicated MP5K Geometry: Custom-contoured for compact "K" receivers to preserve full, unhindered cocking handle stroke and "HK Slap" clearance.
- Rock-Solid Zero Retention: Heavy-duty steel claw clamping feet lock securely onto stamped receiver lugs for precision red dot repeatability.
- 6061-T6 Aircraft-Grade Aluminum: Precision CNC-machined from solid billet for maximum structural rigidity and light weight.
- Type III Hardcoat Anodized Black: Meets military-grade MIL-A-8625 specifications for corrosion, weather, and abrasion resistance.
- Forward Accessory Staging: Side M-LOK slots allow direct mounting of lights and pressure switches without requiring a bulky front handguard rail.
- Ultra-Low Optical Profile: Enables lower 1/3 or absolute co-witness sightlines when paired with low-profile micro reflex optics.
- Broad Sub-Gun Compatibility: Fits genuine HK SP5K/MP5K models along with MKE AP5-P, PTR 9KT, and Zenith ZF-5P clones.
- 100% Made in the USA: Designed, engineered, and precision-manufactured in the United States by Midwest Industries, backed by a Lifetime Warranty.
Product Specifications
- Brand: Midwest Industries®
- Model/Series: MP5K M-LOK® Top Rail G2
- MPN / SKU: MI-MP5KTR-G2 / MI-MP5KTR-G2
- UPC: 812102036807
- Top Interface: MIL-STD-1913 Picatinny Rail (8 Slots)
- Side Interface: M-LOK® Compatible Slots (1 Slot per side)
- Platform Compatibility: HK SP5K, SP5K-PDW, MP5K, Century/MKE AP5-P/AP5-M, PTR 9KT, Zenith ZF-5P (9x19mm)
- Material: 6061-T6 Billet Aluminum with Steel Clamping Feet
- Coating / Finish: MIL-A-8625 Type III Class 2 Hardcoat Anodized Black
- Fasteners Included: 4x Steel Clamp Screws w/ Allen/Torx Hardware
- Country of Origin: United States
