Quote Originally Posted by junglie View Post
Mk 1 I think but not sure what the differences are, it's very consistant on the chrono too 4-8 fps between shots with exact jumbo .22 straight fom the tin. My early long action manitou sporter was a tack driver up to 40yds in .177. Try john bowkett for a scource of the o-rings?
MK1 has separate loading bolt and cocking lever, like most Titans and Falcon FNs. While the MK2 MPT doesn't have the cocking lever because the bolt cocks the hammer as well.

Aye, I expect JB has some BS208 o rings. It's a standard size, I just don't have that size right now.