I have a .45 Hunterbolt that looks very similar to your rifle. Couple of cosmetic differences, but it is almost the same. I've had mine for 4 years and like it a lot. I do experience some blowback with it- that is my major complaint. If you use a scope, I would highly recommend getting a sock for it to protect it.

It is very accurate, however. It did take me awhile to find what it likes. Mine prefers 777 FFFG over FFG and shoots 1.5 MOA or better with 200 SST/Shockwaves, 200 XTP's, 225 grain Powerbelts and 195 grain Dead Centers, when using the appropriate powder charge for each. Not bad for a $110 rifle IMO....