The ERGO SuperLite Free Float Modular M-LOK Rail System provides a 1.8″ outside diameter and a compact 1.37″ inside diameter designed to create a clean and sleek profile. Ventilation cutouts aid in rapid cooling, and provide substantial weight reduction.
The ERGO SuperLite Modular M-LOK Rail System, M-LOK slots are located at the 3, 6, and 9 o’clock positions allowing users to run with or without rail covers (4332-4PK).
Installation is simple using a standard ½” drive 1 3/16″ crow foot wrench (not included), and all necessary mounting hardware is included.
Specifications:
- 100% Made in the USA. 6061-T6 construction
- Steel Barrel Nut included
- Type III Hard-coat black anodized finish
- Lightweight one piece free float design
- M-LOK design accepts Ergo and all other M-LOK compatible accessories
- Full length, seamless Mil-Spec 1913 Picatinny top rail
- Scalloped Picatinny rail slots for comfort and style
- Sleek 1.8″ outside and a 1.37″ inside diameter
- For AR-15/M16 platforms (Not AR-10, SR25, etc.)
- Available in 12″, and 15″ lengths
- Manufactured entirely in the USA from 6061 T6 aluminum finish.
- Weight 0.82 lbs
- Dimensions 10 x 2.5 x 16 in
- Lengths: 3″, 5″, 7″, 9″, 12″, 15″
| Weight | N/A |
|---|---|
| Dimensions | N/A |
| Lengths | 12", 15", 3", 5", 7", 9" |
| MPN | 4820-15-BK,4820-05-BK,4820-12-BK,4820-07-BK,4820-03-BK,4820-09-BK |
| UPC | 874748006408, 874748009300, 874748006392, 874748008495, 874748009294, 874748007887 |
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.
Customer Reviews
- Reviews
- Questions
United States
Great (with some caveats)
The rail and barrel nut are both excellent. Lockup and rigidity are both awesome and there's no wiggle side to side (as often experienced with slip/friction-fit rails that are popular today). There are a few issues that Ergo could easily address to improve the installation experience: 1. The included hex screws for securing the rail to the barrel nut strip under any meaningful amount of torque. A torque specification is not provided, but even at a conservative 15 in-lb, three out of the eight screws stripped out with a brand new hex bit. Save yourself the headache and plan to buy some 8-32 x 5/8" countersunk torx screws. They are not expensive and significantly improve the installation experience. 2. All of the included barrel shims for timing the nut are the same thickness. I could properly time the nut with any combination of provided shims and typical barrel nut torque. Along with the new screws, plan to buy a variety pack of shims (or at least a pack of 0.001" shims). 3. Actual length of the rail is a little longer than advertised (about 0.2" with the 12" model). Add the additional gap between the upper from having to time the barrel nut and secure the rail to it, now it's (practically speaking) even longer. Very important if you're planning on running a suppressor. I'm happy with it, but it took some work to get to that point. Since this is not a very popular model, I could not find many reviews online. Hopefully this is helpful to someone else.
