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Keep your grenade launcher clean, clear, and ready to go with the Less Lethal cleaning system, containing everything you need for a full clean. This kit has specifically designed parts for cleaning your launcher utilizing the Breech-to-Muzzle® clean with our Memory-Flex® cables, 100% cotton patches and brass components.



  • Cleans 12 ga shotguns, 37mm & 40mm grenade launchers
  • 100% cotton 4" patches
  • Oversize bore brush for 37mm & 40mm grenade launchers
  • 12 ga bronze bore brushes with size marked on brush stem
  • 30" aircraft grade Memory-Flex® cables for proper Breech-to-Muzzle® cleaning
  • Multi-purpose tool functions as a t-handle with four bits included:5/32” flat head, T20 hex, Phillips #0, Phillips #2
  • Also includes 0.5 fl.oz. Shooter’s Choice FP-10 Lubricant Elite® CLP and instruction manual
  • All items packed neatly in a 10"x4"x2" soft pack case
  • No Nonsense Warranty
  • Made in the USA


Otis is proud to support Law Enforcement efforts across the US. Each year we donate a portion of sales from our law enforcement product line to a Law Enforcement charity of our choice. 


Protecting the Weapons that Protect America™.

37mm/40mm 12Ga Less Lethal Cleaning Kit

SKU: OT-LFG-374012-N6
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