The C.R.O.S.S. (Carbon Removal & Optics Survival System) Tool is an essential, all-in-one solution for the modern M400 owner, engineered to maintain peak firearm reliability whether at the workbench or in the field. Manufactured in the USA from high-strength 4605 Metal Injection Molded (MIM) steel, this tool is built to withstand the rigors of heavy use while providing the precise geometry necessary to scrape carbon from the bolt face, bolt tail, extractor, and firing pin. Beyond its cleaning capabilities, the tool serves as a functional field kit centerpiece. It features an integrated 1/4" hex driver compatible with standard bits for on-the-fly optics adjustments and hardware tightening. To prevent the loss of mission-critical components, a dedicated storage hole securely holds the firing pin retaining pin during disassembly. Finished with a rugged, ergonomic profile for use with or without gloves, the C.R.O.S.S.™ Tool also includes a built-in bottle opener, making it a versatile and permanent addition to any range bag.
Features:
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Comprehensive BCG Cleaning: Precision-engineered to scrape carbon from the bolt face, bolt tail, extractor, and firing pin to ensure maximum reliability.
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USA-Made MIM Steel: Manufactured in the United States from 4605 metal injection molded steel for professional-grade durability and corrosion resistance.
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Integrated Bit Drivers: Features both standard and 90° 1/4" hex drivers for fast adjustments to optics and accessories in the field or at the bench.
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Specialized Scrapers & Tools: Includes dedicated piston groove scrapers, a pin punch, and an 8-32 threaded hole for T-handle cleaning rods.
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Secure Parts Storage: A built-in firing pin retaining pin hole keeps critical small parts secure and prevents loss during maintenance.
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Field-Ready Design: Compact, ergonomic profile fits easily into grip storage or a range bag and includes a built-in bottle opener.
Specifications
| SKU | 8301606-DS |
|---|---|
| Model | SIGM400 |
| Category | Tools |
