Heym SR20
Well-Known Member
As I mentioned on another thread I picked up a box of these for about £9 to give them a try.
Rifle - an old Brno Mod 2, chopped to 16” with a Parker Hale Moderator. Scope is an Meopta 6x42.
Range - about 50 yards with a gusty cross wind of 10mph - enough to make grass move and you feel a chill in the breeze.
I gave the barrel a good scrub prior to shooting.
Shooting over a pack from prone 10 shots.

The two shots on the left were my first two and not particularly stable. The rest are pretty tight as regards height but a bit ragged as regards windage. Not worried about zero.
So tried a magazine - 5 shots with RWS subs.

A bit tigher
So shot some more into the lead free group.

There is the makings of a group in there but as my school report did say - could do better.
I did subsequently find this article which does rather put 22lr wind drift into perspective - high velocity are pretty sensitive ti wind and lighter weight zinc bullets more so.
Next steps to repeat with the Norma equivalent.
Rifle - an old Brno Mod 2, chopped to 16” with a Parker Hale Moderator. Scope is an Meopta 6x42.
Range - about 50 yards with a gusty cross wind of 10mph - enough to make grass move and you feel a chill in the breeze.
I gave the barrel a good scrub prior to shooting.
Shooting over a pack from prone 10 shots.

The two shots on the left were my first two and not particularly stable. The rest are pretty tight as regards height but a bit ragged as regards windage. Not worried about zero.
So tried a magazine - 5 shots with RWS subs.

A bit tigher
So shot some more into the lead free group.

There is the makings of a group in there but as my school report did say - could do better.
I did subsequently find this article which does rather put 22lr wind drift into perspective - high velocity are pretty sensitive ti wind and lighter weight zinc bullets more so.
Next steps to repeat with the Norma equivalent.

