Just getting started with my first crossbow, a
TAC 15i (integrated lower).
In retrospect, I might have been better off with a TAC 15; and getting a separate AR lower. Easier to work on, in that the TAC 15
i has to be unbolted vs. the TAC 15 just breaking open and coming apart from the AR lower.
My two positive comments about the TAC 15 is the integrated shuttle cocking system with the looped release over a metal catch; and the fact the Xbow's string does not touch the rail, thus no rubbing, and less need of replacement.
My one negative comment about the TAC 15
i (integrated lower) is the hammer hits an internal stop pin that makes a lot of noise (85** db @ 1 meter), by itself. The pin goes from the left side to the right side of the upper assembly, and the hammer hits the pin just above a notch in the lower part of the hammer.
The whole thing looks like it is just begging for a rubber pad or spring to soften the hammer, thus quieting the metal to metal whack.
Maybe this is unique to the TAC 15
i or mine is missing some cushioning pad. No way to know, until I can compare mine to someone else's TAC 15
i. For that matter maybe all TAC 15s make a loud hammer noise by hitting a different stop?
I do know a normal AR hammer does not stop till it is nearly vertical. On the TAC 15
i the hammer is stopped long before vertical, like 50-60? degrees from vertical.
Really, would be nice to have a parts diagram with cut-way/exploded views of the two models.
A heads-up: The latest TAC 15 has been changed from the earlier models. The cocking crank no longer is (or can be) stored as shown in PSE's current video. PSE decided not to include the crank hole-slot on the right side with the holding magnets.
** Remeasured using a Digital db meter with ability to store Maximum value (Analog meter was to slow and no capture).
** 80db ~= Garbage Disposal in sound level / Rustling of Leaves ~= 10db / Soft Whisper != 30db