New thinking in suppressor design. 
100% New Zealand designed and manufactured. 
21 chambers created by three pairs 
of intersecting helixes to produce this unique arrangement. 
A product of the latest additive manufacturing technology. 
Aluminium monocore. 
Comes with camo cover. 
Weight 202g L 146mm Dia 34.7mm. 
Suitable for any 0.22 rimfire cartridge 
End can unit  (for over barrel see RF2)
No need for a separate unit for your 17HMR
Std thread is 1/2 x 20 UN. 
Others available on request. 
Barrel threading, shortening and recrowning services available.

If it does not meet your expectations I will give you your money back!!!