Knights Armament Rail 5 Slot M-LOK - KM31912
$49.18
Upgrade your AR-15 or tactical rifle with the premium Knights Armament 5 Slot M-LOK Rail, the ultimate solution for seamlessly integrating legacy Picatinny accessories onto modern M-LOK handguards. Crafted by Knights Armament Company, renowned for military-grade precision, this aluminum rail section delivers unmatched durability and reliability for demanding shooting scenarios, whether you’re a competitive shooter, hunter, or home defender.
Key Features
- 5-Slot Picatinny Rail: Provides five full MIL-STD-1913 slots for mounting lights, lasers, grips, or sights with rock-solid stability, solving the common frustration of limited attachment points on minimalist M-LOK systems.
- Aluminum Construction: Lightweight yet robust 6061-T6 aluminum ensures long-lasting performance without adding unnecessary bulk, weighing just 3 ounces for optimal balance.
- 3-Inch Length Design: Compact footprint measures 3 inches long, 0.86 inches wide, and 0.86 inches high, allowing versatile placement on handguards without obstructing your grip or sight picture.
- Easy M-LOK Compatibility: Secures directly to any M-LOK slot with included hardware, offering quick installation and removal to customize your setup on the fly.
- Beveled Edges for Safety: Smooth, snag-free contours reduce the risk of glove tears or discomfort during extended use, enhancing overall handling comfort.
Specifications
- Material: Anodized Aluminum
- Length: 3 inches
- Slot Count: 5 (MIL-STD-1913 Picatinny)
- Weight: 3 ounces
- Dimensions (W x H): 0.86 x 0.86 inches
- Finish: Black Anodized
Why Choose the Knights Armament 5 Slot M-LOK Rail?
In a market flooded with generic rail sections, the Knights Armament stands out for its superior craftsmanship and battle-proven design. It addresses key pain points like accessory incompatibility and rail fragility by offering a high-strength adapter that maintains the sleek profile of M-LOK while supporting traditional gear. Perfect for AR-15 enthusiasts seeking to modernize older setups or expand mounting options, this rail enhances modularity without compromising on weight or aesthetics. Its precision machining ensures zero play or wobble, giving you confidence in every shot.
Ready to elevate your firearm’s versatility? Add the Knights Armament 5 Slot M-LOK Rail to your build today and experience the difference premium engineering makes in tactical performance.
Frequently Asked Questions
1. Is this rail compatible with all M-LOK handguards?
Yes, it mounts securely to any standard M-LOK system on AR-15s, SR-15s, or similar platforms, using the included T-25 Torx hardware for a flush, tool-free fit.
2. How does it compare to polymer alternatives?
Unlike lighter polymer rails, this aluminum version from Knights Armament offers greater heat resistance and impact durability, ideal for high-intensity use while remaining comparably lightweight.
3. Can I mount accessories on the top position?
Absolutely—the rail’s design allows multi-directional installation, including top-mounted optics or lasers, provided your handguard has accessible M-LOK slots in that orientation.
| Weight | 3 oz |
|---|---|
| Dimensions | 2 × 0.86 × 0.86 in |
| MPN | KM31912 |
Compliance
NFA (National Firearms Act) compliance is crucial for legal ownership and transfer of regulated firearms and accessories like short-barreled rifles, suppressors, and certain types of ammunition, ensuring adherence to federal regulations to avoid legal penalties and ensure responsible firearm ownership.
Please select an FFL from the table below, if you do not see your desired FFL, click "Set Later" and you will be able to enter your FFL's information after checkout.
| Name | City | State | ZIP | Phone | |
|---|---|---|---|---|---|
|
Loading FFL contacts, please wait...
|







