Plunger Style–50 Cal Western Legal Muzzleloader Breech Plug


  • This Western Breech Plug Fits:.50cal LK93, LKII, MK85, BK92, American Knight, TK2000, Bighorn and Littlehorn.
  • Fits all plunger guns with 5/8″- 18 TPI breech plug.
  • Ignition System: Western, #11 and musket cap

This item usually processes in 3 to 5 business days.

This part will work on the following rifles:

Black Knight


Keep your black powder rifle in top condition with the Western Legal Muzzleloader Breech Plug from Knight Rifles. This breech plug makes many Knight muzzle-loaders Western legal for shooting #11 and musket cap nipples. This particular breech plug fits .50cal LK93, LKII, MK85, BK92, American Knight, TK2000, Bighorn and Littlehorn series muzzleloaders.

Nothing effects the performance of your muzzleloader more than the breech plug. Continuing in our tradition of bringing innovation to the muzzleloading industry, we redesigned our breech plugs to better accommodate modern black powders. Now you can shoot more and clean less! We are confident that Knight breech plugs deliver the best quality and reliability you can find on the market today! You can also expect superior quality since every single breech plug we sell is 100% American Made.

Western Legal Muzzleloader Breech Plug Features

  • Fits .50cal Wolverine, Bighorn, MK, BK, LK, TK, American Knight (USAK), Littlehorn
  • Fits .54 calibers after 1994, and current 50 calibers.
  • Fits all plunger guns with 5/8″-18 TPI breech plug.
  • Hex Head Design
  • Fits #11 and musket cap nipples
  • Meets primitive requirements for Washington, Oregon, and Idaho.

Note: Western Legal Muzzleloader Breech Plug is not compatible with our Orange Disc or FPJ ignition system. Please call us at 1-866-518-4181 if you need any assistance finding the right breech plug for your rifle.
For safety reasons, all Knight breech plugs and/or breech plug kits cannot be returned or exchanged. ALL SALES ARE FINAL.

Have Questions?

If you have questions about our Western Legal Muzzleloader Breech Plug please email us at

Knight Rifles, America’s Muzzeloader!