G20 gen 4 recoil spring

[Kenk]

Yep, love the Underwood stuff

[Alaska]

Great Ammo for hunting Underwood

NDZ 22 pound spring and Rod kit works like a charm in my G20 Gen 4 .
with Underwood Ammo 200/220gr.

[Alaska]

I use NDZ 22 pound Spring and Rod in my G20 Gen 4 with KKM barrel.
Very happy with 220gr Straight Shooter Hard Cast coated and 9.5 of BD here in Alaska.

[tommac919]

I use NDZ 22 pound Spring and Rod in my G20 Gen 4 with KKM barrel.
Very happy with 220gr Straight Shooter Hard Cast coated and 9.5 of BD here in Alaska.

Do you get any tumbling ?

[Alaska]

No tumbling great bullets those Straight shooters 220gr Hard Cast
9.5 of BD in the KKM barrel