Anyone have dimensions for trigger springs for the Bintac S45. mine were fatigued and i was having trigger reset issues. took the springs out to measure and order from mcmaster carr and they have disapeared.
Ok great thanks. Definitely don't want to loose power. Just out of curiosity, After your porting how much velocity increase did you see on average for your rifles?
Hi all. First post here. I picked up a aea hp carbine in 25 cal afew months ago and running it through my chronograph. From the factory it was shooting about 900 fps. Since shimming the hammer spring and cleaning up the burrs on the barrel ports its now close to the advertised 950 fps. I'm...