Kinetic Development Group M-LOK SP9 Stribog 3.25" Rail Extension FDE - STR5-MK2-110

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Kinetic Development Group, LLC, M-LOK Rail Extension, 3.25", Fits M-LOK SP9 Stribog, Anodized Finish, Flat Dark Earth - SKU: STR5-MK2-110 - UPC: 850045704544

Product Description

The Kinetic Development Group (KDG) M-LOK Rail Extension 3.25" for Grand Power Stribog (STR5-MK2-110) is a premium front-end upgrade designed to expand handguard real estate, mounting capability, and ergonomic control on M-LOK factory Stribog receiver models. Engineered by Kinetic Development Group, this extension adds 3.25 inches of forward extension to the factory receiver handguard without adding unnecessary weight or bulk.

Precision-machined from 6061-T6 aircraft-grade aluminum with a durable Flat Dark Earth (FDE) Type III hardcoat anodized finish, the STR5-MK2-110 seamlessly bridges the original upper receiver picatinny top rail and extends side and bottom M-LOK attachment slots. This added real estate allows operators to mount weapon lights, laser target designators, vertical foregrips, and handstops further forward for superior C-clamp hand support and recoil control.

Featuring a slim, form-fitting architecture, the extension preserves access to factory charging handle operation while providing a monolithic-style continuous top Picatinny rail section for mounting backup iron sights and tape switches.

*Armorer Bench Notes & Real-World Staging Guidance:
Fitment Matrix: Fits Grand Power Stribog SP9A1 and SP9A3 models featuring factory M-LOK slots on the upper receiver. (Will NOT fit older non-M-LOK keymod or smooth Stribog receivers).

1. Verify host Stribog pistol/carbine is completely clear, magazine removed, and chamber visually and physically confirmed empty.
2. Align the KDG rail extension body over the front factory upper receiver, sliding mounting tabs into position along the forward M-LOK slots.
3. Tighten mounting hardware evenly according to manufacturer torque specifications, ensuring top Picatinny rails align seamlessly with zero gap elevation.
4. Verify charging handle cycles smoothly through its full travel stroke without contacting interior extension walls.
5. Mount desired M-LOK accessories and perform bench function checks before live fire staging.

Key Features

• 3.25 Inches Extended Support: Increases forward grip area for improved weapon control, barricade support, and accessory placement.
• 6061-T6 Billet Aluminum: High-strength, lightweight aluminum construction withstands aggressive field impacts and thermal expansion.
• Flat Dark Earth Anodized Finish: Premium Type III hardcoat anodizing guards against surface scratches, rust, and chemicals.
• Seamless Receiver Bridge: Top Picatinny rail section seamlessly bridges factory receiver top rail for continuous optic sight lines.
• Expanded M-LOK Mounting Slots: Provides additional M-LOK attachment points at 3, 6, and 9 o'clock positions.
• Made in the USA: Precision-manufactured to strict aerospace tolerances for exact drop-in fitment.

Product Specifications

• Brand: Kinetic Development Group (KDG)
• MPN: STR5-MK2-110
• SKU: STR5-MK2-110
• UPC: 850045704544
• Platform Compatibility: Grand Power Stribog SP9A1 / SP9A3 (M-LOK Models)
• Extension Length: 3.25 Inches
• Attachment Interface: M-LOK / Receiver Mount
• Material: 6061-T6 Aircraft Aluminum
• Finish/Color: Type III Hardcoat Anodized Flat Dark Earth (FDE)