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Heavy-duty bore brush designed specifically for maintaining both 37/40mm gas and grenade launchers.  The phosphor bronze bristles are rugged enough to handle the toughest of combinations of powder fouling and plastic buildup.



  • Phosphor Bronze Bristles
  • Brush Replacement for Gas/Grenade Cleaning System #GL40 / LL-1305
  • American Std. #5/16-27 Threads
  • Made in USA

37/40mm Phosphor Bronze Bore Brush

SKU: GLB40/LL-1304