The EGW 16'' Long Wide Unanodized Extrusion W/Slots is a Picatinny rail blank built for gunsmiths and scope mount builders who need flexibility beyond off-the-shelf bases. This 16-inch aluminum extrusion comes pre-contoured to Picatinny cross-section geometry, so you're not starting from raw bar stock—it's already shaped and ready for your custom layout. Whether you're building a dedicated long-range rig, working with an unusual receiver profile, or installing rings at a non-standard spacing, this extrusion lets you specify exactly where your attachment points go.
The wide profile and unanodized finish give you room to work. Machine your cross-slots only where you need them, keeping the base as light or as robust as your build demands. The integrated center channel runs the length of the extrusion, reducing weight without sacrificing the rigidity you need for consistent scope alignment. Both Picatinny and Weaver-style rings will seat in the dovetail contour, so you're not locked into a single ring ecosystem.
This is raw material for the serious builder—you'll need to cut the extrusion to final length, mill your cross-slots, drill mounting holes, and radius the underside if your application calls for it. That's the tradeoff for the control you get. If you're tired of forcing factory bases into non-standard builds or paying premium prices for one-off custom mounts, this extrusion is a cost-effective starting point.
Key Features
- Pre-contoured Picatinny profile—ready to mill, not starting from flat bar
- 16 inches long; wide profile provides ample material for custom slot placement
- Integrated center channel keeps weight minimal without compromising stiffness
- Accepts both Picatinny and Weaver-style scope rings
- Unanodized aluminum—machine and finish to your specs
- Ideal for custom builds, non-standard receivers, and precision ring positioning
Specifications
| Brand | EGW |
| Type | Picatinny Rail Extrusion Blank |
| Length | 16 inches |
| Profile | Wide Picatinny Cross-Section |
| Finish | Unanodized Aluminum |
| Ring Compatibility | Picatinny and Weaver-style |
Frequently Asked Questions
What machine work do I need to do?
You'll need to cut the extrusion to your final length, mill cross-slots where you want your rings mounted, and drill the mounting holes that correspond to your receiver or firearm platform. Radiusing the underside is optional, depending on your build. The Picatinny profile is already contoured, so you're not starting from raw bar.
What scope rings will mount to this extrusion?
Both Picatinny and Weaver-style scope rings will work with the dovetail contour on this extrusion. Your choice of rings lets you match the base to your preferred ring system.
Is this finished and ready to use?
No. This is a raw aluminum extrusion blank. You'll need to machine it to length, create your custom slot pattern, drill mounting holes, and finish it (anodizing, coating, or leaving it bare). It's a builder's material, not a drop-in mount.
Why would I build a custom base instead of buying one?
Custom builds let you accommodate unusual receiver geometry, non-standard ring spacing, or specialized installations that factory mounts don't address. If you need rings positioned at a specific distance or on a tricky platform, machining from this extrusion is often simpler and more cost-effective than custom manufacturing a complete base.
