Disclaimer: This is what my Results was and will Very
Air Rifle used: Crosman Diamond Back Nitro Piston
Center Target: Control group(Crosman Premier Piranha 14.3gr) 1: Gamo Rocket 14.3gr 2: Predator metalmag 17gr 3: H&N Baracuda Hunter 18.21gr
Disclaimer: This Tip is only for the Crosman Diamondback Nitro Piston Elite. I don't know how it will work for other Break Barrel Air Rifles.
Can't Closed the barrel just add oil to in, I used Pam Olive oil and now it's working find.