The slip trip kit for the large-frame SIG MCX in .308 and .277 FURY, including the SIG Spear. It pairs AS Designs' MCX Rev. 2 slip trip with their heavy-frame transfer lever, and it's built for use with the ARC-Fire V2 and a standard AR fire control group.
- MCX slip trip Rev. 2: 4140 steel, black oxide
- MCX slip trip guide Rev. 2: 7075-T6 aluminum, anodized, with built-in lever blocker
- Transfer lever for SIG Spear 277/308
- Works with Geissele triggers cut for ARC-Fire, but not Geissele's MCX/MPX-specific models
Not compatible with the MCX in .223/300BLK/7.62x39 or with the MPX. Gunsmith installation recommended.
| Manufacturer | AS Designs |
| Type | Parts |
| Finish | Black Oxide |
| Material | Steel |
| Platform | SIG MCX |