The Mac 1911 Bobcut is a modern, optics-ready slide designed for builders who want a clean, lightweight upper for their 1911 platform. It’s for the enthusiast who prioritizes a direct-mount optic solution without the bulk of an adapter plate. Since we added it in spring 2025, it’s become a consistent reorder item for us due to its straightforward compatibility and clean lines.
Key Features
- Direct RMR/Holosun 407C/507C optic cut – no adapter plate needed.
- Front and rear slide serrations provide positive grip for manipulation.
- Compatible with factory and aftermarket iron sights – our staff confirmed fit with Trijicon and AmeriGlo models.
- “Bobcut” design reduces weight and presents a distinctive, modern profile.
- Machined from 4140 steel for durability and finished in a matte black oxide.
Specifications
| Model | 1911 Bobcut Slide |
| Caliber | .45 ACP |
| Optic Footprint | Trijicon RMR/Holosun 407C/507C |
| Material | 4140 Steel |
| Finish | Black Oxide |
| Weight (measured) | 4.2 oz |
| Sight Compatibility | Standard 1911 dovetail |
| Condition | New |
Frequently Asked Questions
Does this slide come with iron sights or an optic?
No. This is a standalone slide assembly. It is cut for a micro red dot optic and includes dovetails for front and rear iron sights, but the sights and optic are sold separately.
What 1911 frames is this compatible with?
This slide is designed for standard Government model 1911 frames in .45 ACP. Always verify compatibility with your specific frame and barrel components before assembly.
Is the optic cut bare metal or treated?
The optic cut is machined and finished with the same black oxide as the rest of the slide. For optimal corrosion resistance and fit, applying a small amount of grease or oil to the mating surfaces before mounting your optic is recommended.
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