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Grand Power's Stribog SP9 has a great platform out of the box, but the factory forend can feel a little short once you start adding accessories or running a can. The SRX6 MK2 from Kinetic Development Group solves that by bolting on a full 6 inches of extra M-LOK space, giving you a longer, more stable place to plant your support hand and mount whatever gear your build calls for. It's finished in Flat Dark Earth Cerakote over 6061-T6 aircraft grade aluminum, so it's tough enough to handle range use and range abuse without adding a bunch of dead weight to the front of your gun.
The extended forend runs M-LOK slots down its full length, which means you're not stuck guessing where to clamp on a foregrip, weapon light, or laser. There's also a Picatinny top rail for anyone who wants to run a folding sight or other top-mounted gear. The extra length is especially useful if you're running a suppressor, since it gives your support hand somewhere to go besides right up against a hot can. Vent cuts along the body help pull heat away from the aluminum during longer range sessions, so the rail stays comfortable to hold even after you've put some rounds downrange.
This is the MK II version of KDG's Stribog rail extension, and the company redesigned it to use the same screws across every component, which cuts down on the fumbling that came with earlier versions. It's still not quite a five-minute bolt-on job, KDG rates the install around a 7 out of 10 on their own difficulty scale, but it's doable at home with basic hand tools if you take your time and follow their instructions step by step. The extension is built for Stribog SP9 models with M-LOK receivers, and it attaches directly to the receiver rather than relying on the barrel or a clamp-on sleeve, so once it's torqued down it stays put.
If you're already running a suppressor on your Stribog, or you've been eyeing one, pairing this rail with KDG's matching SMX6 muzzle extension is worth a look, since it's designed to direct blast forward and keep your support hand out of the pressure wave at the new, longer grip position.
It bolts onto the front of your Stribog SP9 and adds 6 inches of M-LOK real estate to the forend. That gives you a longer, more stable spot for your support hand and plenty of extra room to mount lights, lasers, or a foregrip without crowding the barrel.
It's more involved than a typical M-LOK rail swap, KDG rates it around a 7 out of 10 on their own difficulty scale, but it's built to be installed at home with basic hand tools. Going slow and following the manufacturer's step by step instructions makes the process manageable.
It's designed for Stribog SP9 variants that use M-LOK receivers, so it's worth double checking your specific model before ordering. It attaches directly to the receiver rather than clamping onto the barrel, which keeps things solid once it's torqued down.
If you're planning to run a can, pairing this with KDG's SMX6 muzzle extension is a smart move since it's built to direct muzzle blast forward and protect your hand at the new, extended grip position. It's not required for the rail extension to function, but it pairs well for suppressed setups.
| UPC | 850045704551 |
|---|---|
| Manufacturer | |
| Manufacturer Part Number | STR5-MK2-120 |
| Color | Flat Dark Earth |
| Length | 6'' |
| Style | M-LOK |
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