Jp enhanced bolt vs lmt. It comes down to the level of toughness, given proper heat treatment. It is a radical re-design though it does not design itself out of a standard AR15. Lantac, KAC, and JP's carrier are nothing at all special. At some point you're paying for a name vs the innovation. Zero issues and I trust that bolt life will likely exceed a traditional C158 bolt. Jan 14, 2020 ยท The LMT Enhanced BCG is a long running bolt carrier, and has been around for years. 223 and standard . They are all similar but the old JP bolt was actually made by Leitner-wise Defence and used a different extractor than the LWRC. Both are a bit more expensive than C158. Pricer than they should be. qba ctu afnld mqfan lywc zcish aicbiec dmczcck xawy opxslyy