Steel
This replacement breech plug will fit the Knight #LK, MK and USAK .50 caliber models plus the Ridge Runner .54 caliber that we sell. Thread size is 5/8-18 and is threaded for a 1/4×28 nipple or 209 primer adaptor.
Breech Plug – Replacement – In-line
Pieces
Manufacturer
$29.00
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