Quick Summary
This 3 slot Picatinny rail section is a KeyMod handguard mount accessory. It is described as a 21 mm KeyMod mounting system rail and is stated to fit Picatinny and Weaver rail accessories. The section is made from 6061-T6 aluminium and includes steel screws and an Allen wrench.
Key Details
| Detail | Verified information and buyer relevance |
|---|---|
| Product type | 3 slot Picatinny rail section for KeyMod handguard mounting. Check it matches the rail system you intend to use. |
| Mounting system | 21 mm KeyMod handguard mounting system. Confirm your handguard uses the same mount pattern. |
| Rail compatibility | Picatinny and Weaver rail. Check the accessory base or fitting requirements before buying. |
| Material | 6061-T6 aluminium. The stated material is relevant if you are comparing build type or finish. |
| Included items | Steel screws and an Allen wrench. This affects whether you already have the fitting tools you need. |
What to Compare Before Buying
- Mount pattern: Compare the 21 mm KeyMod fit with your handguard.
- Rail type: Check that the accessory you want to fit uses Picatinny or Weaver rail.
- Slot count: This is a 3 slot section, so check whether that length suits the accessory being mounted.
- Included fittings: Steel screws and an Allen wrench are included, which may matter if you want a ready-to-fit section.
What Is Included
- 1 x 3 slot Picatinny rail section
- Steel screws
- Allen wrench
Before You Decide
Confirm that your handguard uses the 21 mm KeyMod mounting system and that the 3 slot rail length suits the accessory you plan to attach. Also check that Picatinny or Weaver compatibility matches the fitting you want to use.





