I had the M40 .22Hornet out the gun-cupboard over the weekend, and tested some old leftover 50gr Hornady PSP's, with Lil'Gun and Winchester small pistol primers, in Winchester once fired brass .
I'd used up all my other projectiles, so the hunting bullets were it.
I ended up with my normal filling of 13grs, with the longer bullet seated out a bit, so as not to compress the powder.
I test-chambered the bullet first, and didn't seem to be making contact with the lands.
The results were pretty good.
Looked like there was a bit more of a pressure ring at the case head, but nothing split or blew, and primers looked OK.
Here's the best 100mtr 5 shot group of the day.
Just under the magic half inch.
Not quite as good as the 40gr Nosler BT's, which have gone .35 , but then I only fired a couple groups.
Should I keep the rifle ?
Is this acceptable in a light varmint rig with a 16x scope ?
or should I confess to my wife that I spent the holiday money and trade it back on a cruise ?
cheers,
Sean in 'Godzone'