Breech Plug Body, Bare Primer, Knight Mountaineer and Ultralight


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Clicking any of the following links to the right will redirect you to a website of our Partners that has AMMO SIMILAR to what we sell or BULLETS which are exactly the same as what we sell on our site. 

The AMMO our Partners' sell is loaded with a BULLET that is designed and manufactured by Lehigh Defense. Our Partners' Ammo may have different performance attributes than AMMO produced by from Lehigh Defense, even if using the same BULLET. Check each vendor's website for specifications for their ammo relating to velocity, expansion, penetration, etc.

Lehigh Defense does not own, manage, or influence any part of our Partners' Business or their website. Lehigh Defense is not responsible for the performance of any products, or accountable for any buyer/seller transactions, for purchased made on sites other than

These Partner link(s) are provided here ONLY for the purpose of giving our customers additional purchasing options for ammo using Lehigh Defense bullets. If you have questions about Lehigh Defense products sold by our Partners, please contact the Partner directly.

Gun Platform Muzzleloader
Gun Model Knight Mountaineer, Ultralight
Box Quantity 1
Heat Treated Yes
Material Stainless Steel
Manufactured By Lehigh Defense, LLC
The breech plug body fits all Knight Mountaineer and Ultralight muzzleloaders. It does not fit the DISC Elite, Extreme, Master Hunter, and Long Range Hunter. The breech plug body is made from 17-4 stainless heat treated to H900 providing the ultimate in strength and corrosion resistance. The body comes with one vent liner, part number VL-1, installed. Additional vent liners are available in packs of four. For Knight DISC Elite, Extreme, Master Hunter, and Long Range Hunter use Breech Plug p/n BP-BP-K1
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