Ergo Grips / Falcon Ind. Inc. Superlite Modular M-Lok Rail System (1PC) 1.35″ Int Dia Tube 12″ Length
$160.18
The Ergo Grips SuperLite Modular M-LOK Rail System is a lightweight 12″ free float handguard with a 1.35″ ID tube, providing a sleek profile and M-LOK slots for accessory attachment.
Out of stock
The ERGO SuperLite Free Float Modular KeyMod Rail System provides a 1.8_ outside diameter and a compact 1.35_ inside diameter designed to create a clean and sleek profile. Ventilation cutouts aid in rapid cooling and provide substantial weight reduction.
12_ Version Weighs 9.2 ounces
15_ Version Weighs 10.6 ounces
The ERGO SuperLite Modular KeyMod Rail System KeyMod slots are located at the 3 6 and 9 o_clock positions allowing users to run with or without rail covers. The KeyMod rail provides multiple attachment locations for Ergo KeyMod accessories including Ergo WedgeLok; slot covers and as a host to all other KeyMod compatible products.
Manufactured entirely in the USA from 6061 T6 aluminum and Type III Class 2 hard anodized. The ERGO Superlite Modular KeyMod Rail System is available in two lengths model #4819-12 12_ and model #4819-15 15_.
Installation is simple using the standard
| Weight | 0.845 lbs |
|---|---|
| Dimensions | 22.250 × 3.950 × 2.650 in |
| Manufacturer | Ergo Grips / Falcon Ind. Inc. |
| Finish | Type III Class 2 hard anodized |
| Weight | 9.2 ounces |
| Material | 6061 T6 aluminum |
| Dimensions | 12″ length |
PROCESSING & SHIPPING
Orders typically ship within 1–3 business days (Monday–Friday) after payment and all required documentation are received. Time to arrival after shipment depends on the carrier. Shipping method is at BT Gun Company’s discretion; ammunition and oversized accessories are charged at actual shipping cost. We do not ship to Hawaii or Alaska.
FIREARM TRANSFERS
- Firearms must ship to a licensed FFL dealer of your choosing — confirm with them first that they can accept the transfer.
- Your receiving FFL will need to email their license to [email protected] before we can ship.
- Inspect your firearm at your FFL’s location before signing ATF Form 4473 — once signed, the firearm is considered accepted.
You’re responsible for knowing the firearms laws in your state before ordering. For complete shipping, returns, and restocking-fee policy details, see our Shipping & Returns page.

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