About this item Gentle Nylon Fibers: Dual-diameter nylon sections clean chamber and locking lug recesses while remaining non-metallic for a protective touch on finishes; fibers resist matting and are compatible with popular cleaners for routine upkeep on a wide range of .223/5.56 systems. Brass Core Alignment: Brass wire core and coupling deliver rigidity for centered passes and confident brush control; this stable backbone helps maintain consistent engagement without harsh contact, supporting careful maintenance on precision-fit components. Looped Safety End: A rounded looped tip prevents sharp wire exposure, protecting chambers, lugs, and bolt interfaces during insertion and removal; this no-harm approach is ideal for frequent service intervals where preservation of surface integrity matters. Standardized Threads: #8-32 male threads connect with common chamber tools and rods for fast setup at the bench or in the field; solvent-resistant nylon stands up to extended soaks and repeated applications without fiber collapse or premature wear. USA-Made Quality: Built to Pro-Shot’s benchrest standards for consistent push feel and longevity; dependable materials and precise winding offer predictable results, helping users maintain reliable cycling and easy post-cleaning inspection session after session.
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