Product Description
The Sig Sauer MCX Barrel and Gas Block Assembly (8901313) is a factory replacement component designed for the Sig Sauer MCX platform, including MCX SPEAR-LT configurations chambered in 5.56 NATO. This assembly pairs an 11.5-inch barrel with a matching gas block to help restore or maintain reliable function and consistent performance when servicing a worn or damaged barrel assembly. Finished in black, it is built to integrate cleanly with compatible MCX systems for a straightforward swap during maintenance or upgrades.
Product Highlights
- Genuine Sig Sauer replacement barrel and gas block assembly for the MCX platform
- Chambered in 5.56 NATO for compatibility with standard 5.56 NATO ammunition
- 11.5-inch barrel length supports compact, maneuverable MCX configurations
- Includes gas block as part of the assembly for simplified parts replacement
- Black finish to match common MCX/SPEAR-LT builds
Specs
- Brand: Sig Sauer
- Manufacturer Part Number: 8901313
- UPC: 798681675234
- Platform/Model: Sig MCX (MCX SPEAR-LT referenced by distributors)
- Series: Barrel/Gas Block Assembly
- Caliber: 5.56 NATO
- Barrel Length: 11.5 in
- Color: Black
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