Magpul M-LOK Polymer Picatinny Rail Section 9 Slots
Magpul Industries
$15.15
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Magpul Industries
Magpul M-LOK Polymer Picatinny Rail Section 9 Slots
The Magpul M-LOK Polymer Picatinny Rail Section — 9 Slots delivers a reliable, lightweight solution for adding standard 1913 Picatinny-spec accessories to any M-LOK compatible handguard or forend, without the weight penalty of a full aluminum rail system.
- Mounts directly to M-LOK slots on aluminum or polymer handguards and forends
- 9-slot Picatinny rail section with a maximum overall length of 4.1 inches
- Injection-molded from proprietary reinforced composite for strength and durability
- Recoil and impact mitigation lugs help absorb stress and protect accessories
- Beveled ends reduce snagging and eliminate sharp corners for smoother handling
- All M-LOK T-nut hardware included — no additional hardware needed
Who This Is For
This rail section is ideal for AR-15, AR-10, and other M-LOK-equipped rifle owners who want the flexibility to mount lights, vertical grips, pressure pads, or other Picatinny-compatible accessories at a specific position on their handguard — without committing to a heavier, full-length rail. It's a smart, budget-conscious upgrade for both range shooters and tactical users who value modularity and keep-it-light builds.
Specifications
| Brand | Magpul Industries |
|---|---|
| Model | M-LOK Polymer Rail Section |
| Number of Slots | 9 Slots |
| Max Overall Length | 4.1 in. |
| Rail Standard | MIL-STD-1913 Picatinny |
| Mounting System | M-LOK Compatible |
| Material | Reinforced Polymer Composite |
| Hardware Included | Yes — M-LOK T-Nuts & Fasteners |
| Compatible With | Aluminum & Polymer M-LOK Handguards |
| Country of Origin | Made in U.S.A. |
Frequently Asked Questions
Will this rail section work with any M-LOK handguard, regardless of brand?
Yes. The Magpul M-LOK Polymer Rail Section is designed to work with any handguard or forend that features genuine M-LOK slots, regardless of manufacturer. It attaches using the included M-LOK T-nuts and fasteners and is compatible with both aluminum and polymer M-LOK handguards.
Can I mount full-size accessories like a vertical foregrip or tactical light on this rail?
Absolutely. The 9-slot, 4.1-inch rail section provides ample real estate for standard Picatinny-mount accessories, including vertical grips, angled foregrips, weapon lights, pressure pads, and bipod adapters. The recoil and impact mitigation lugs help ensure accessories stay secure under hard use and repeated recoil.
Is polymer strong enough, or should I opt for an aluminum rail section instead?
Magpul's proprietary reinforced composite is engineered specifically for durability under recoil and impact — it's not standard plastic. For most rifle-mounted accessories including lights and grips, the polymer rail section performs reliably and offers a meaningful weight savings over aluminum alternatives. If you're mounting exceptionally heavy accessories or anticipate extreme abuse, an aluminum rail may be worth considering, but the Magpul polymer section handles the demands of the vast majority of shooters with ease.
