Here is my AA s510 .22 with a regulated 50 shot string never game close to this without reg.

Here is my group with my heavily modified AA s510 .22 cal 10 shots each

Here is the thing I shot 3D archery and the effects of shooting up or down made little difference in POI And with a much heaver arrow compared to a pellet one would thing effects of shooting up or down would be more obvious with 500gr arrow than a pellet . If anything shooting down hill say 40 yds t...

AA s510 best air gun I have ever had.
And here is how it shoots

Well my AA s510 gain a lot in even shot counts and is all around a much better air gun with a Robert Lane reg installed Take a look at 50 shot FPS string. Best money I have ever spent http://img.photobucket.com/albums/v16/abslayer/Feb18--2015FPStune_zps0f88a29d.jpg And here is how it shoots now http...

Got it.

It would be a shame if all the old info was lost keep up the great work guys

Thread cutter

Need to know what thread cutter do I need for AA s510 bolt # 59 TX236 on AA part list.
Or can you tell me what thread this screw or bolt is ?

What do you guys in England use metric or what for sizes