
Availability: In Stock
The ERGO RAIL 5 Slot Aluminum Mounting Platform is a lightweight, durable mounting solution designed to add versatile accessory compatibility to your AR-15 handguard setup. Whether you're building a tactical rifle, upgrading a carbine for home defense, or setting up a competition shooter, this aluminum rail gives you secure, repeatable mounting points for lights, forward grips, bipods, and other Weaver-compatible gear without permanent modifications to your handguard.
Installation is straightforward: the rail attaches to standard round plastic AR-15 and CAR-15 handguards while keeping the heat shield intact. If you're running an M4 handguard, you'll need to remove the heat shield to accommodate the mount. Once secured, you can position the rail on the top or bottom of your handguard depending on your setup and ergonomic preference. The 4" aluminum design also works with 2" diameter float tubes, offering flexibility if you're transitioning between different handguard styles.
Built for shooters who want to add capability without replacing their entire handguard system, this platform accepts any Weaver-style accessory—meaning you're not locked into proprietary mounts or limited to a single attachment point. It's a practical choice for hunters adding a light to a hunting rifle, tactical shooters building a modular platform, or anyone who values the ability to adapt their setup as needs change.
| Brand | Ergo Grip |
| Product Type | Aluminum Mounting Platform |
| Rail Length | 4" |
| Rail Style | 5-Slot Weaver |
| Material | Aluminum |
| Compatibility | AR-15 and CAR-15 standard round plastic handguards; M4 handguards (with heat shield removal) |
| Mount Position | Top or bottom of handguard |
| Float Tube Compatibility | 2" diameter aluminum tubes (with adapter) |
Yes—the ERGO RAIL 5 Slot mounts directly to standard round plastic AR-15 and CAR-15 handguards while keeping the heat shield in place. If you have an M4 handguard, you will need to remove the heat shield for installation.
The rail accepts any Weaver-style accessories, including tactical lights, vertical foregrips, bipods, tripods, and other common add-ons designed for Weaver mounting points.
You can install the rail on either the top or bottom of your handguard, giving you flexibility to configure your setup based on your ergonomic needs and intended use.
Yes. The 4" aluminum design, paired with the included adapter, permits use with 2" diameter aluminum float tubes, in addition to standard handguards.

SKU: 115695931 • Weight: 0.1oz





Availability: In Stock
The ERGO RAIL 5 Slot Aluminum Mounting Platform is a lightweight, durable mounting solution designed to add versatile accessory compatibility to your AR-15 handguard setup. Whether you're building a tactical rifle, upgrading a carbine for home defense, or setting up a competition shooter, this aluminum rail gives you secure, repeatable mounting points for lights, forward grips, bipods, and other Weaver-compatible gear without permanent modifications to your handguard.
Installation is straightforward: the rail attaches to standard round plastic AR-15 and CAR-15 handguards while keeping the heat shield intact. If you're running an M4 handguard, you'll need to remove the heat shield to accommodate the mount. Once secured, you can position the rail on the top or bottom of your handguard depending on your setup and ergonomic preference. The 4" aluminum design also works with 2" diameter float tubes, offering flexibility if you're transitioning between different handguard styles.
Built for shooters who want to add capability without replacing their entire handguard system, this platform accepts any Weaver-style accessory—meaning you're not locked into proprietary mounts or limited to a single attachment point. It's a practical choice for hunters adding a light to a hunting rifle, tactical shooters building a modular platform, or anyone who values the ability to adapt their setup as needs change.
| Brand | Ergo Grip |
| Product Type | Aluminum Mounting Platform |
| Rail Length | 4" |
| Rail Style | 5-Slot Weaver |
| Material | Aluminum |
| Compatibility | AR-15 and CAR-15 standard round plastic handguards; M4 handguards (with heat shield removal) |
| Mount Position | Top or bottom of handguard |
| Float Tube Compatibility | 2" diameter aluminum tubes (with adapter) |
Yes—the ERGO RAIL 5 Slot mounts directly to standard round plastic AR-15 and CAR-15 handguards while keeping the heat shield in place. If you have an M4 handguard, you will need to remove the heat shield for installation.
The rail accepts any Weaver-style accessories, including tactical lights, vertical foregrips, bipods, tripods, and other common add-ons designed for Weaver mounting points.
You can install the rail on either the top or bottom of your handguard, giving you flexibility to configure your setup based on your ergonomic needs and intended use.
Yes. The 4" aluminum design, paired with the included adapter, permits use with 2" diameter aluminum float tubes, in addition to standard handguards.
SKU: 115695931 • Weight: 0.1oz
