Yep, bought a .177 in Feb 2017, 500mm barrel like the HW80. It is my iron sight rifle and the long sight radius is a must for me shooting treetops. I did a home tune including a polish, Vortek moly seal, and I tried something new, which was just adding a ARH hornet spring. Polished on both ends, polished rear plug, flange washer, etc. It cocks like a 12 fpe gun, and that Hornet spring hammered right on the stock rear guide tight. Even with no tophat, just the thrust bearing in the piston, no twang. Shoots mid 800's if I recall, and oohhhh so accurate.
It is the HW95/R9 metal forks back. Also bought a .22, ended up selling it to a good guy when I simplified things and sold all my .22 air rifles. The .22 HW 85 had the Hornet kit, and it was a hammer.
The .177 HW 85 I ordered had stamp work on the entire rifle. The .22, had the new stencil on the barrel breech block. But stamped receiver. The R9 I just got from P/A is full stencil minus the serial number. Not crazy about the stencil. At first I thought it was lazer etch, but it may be silk screen. The R9 I just sent back for a return.
Anyhoo, the .177 with the longer barrel I felt balanced the powerplant better than the .22. I have not noticed this with my HW95's in either caliber and K barrels.
BTW, they were like $276 tyd then...........
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Prairie Farmer