logo by smgunner

Dean's HiPac 2240

Tactical Trijicon ACOG TA01 Style 4x32 Cross Sight Rifle Scope + Kill Flash
TROBB Solid Aluminium Dovetail Power Block with Gmac hollow probe and G-mac Bolt
Gmac Brass Power Adjuster Spring And Guide/Drilled Out Standard Valve For more air space
Hammer Mods//Gmac 30% Lighter valve Spring/Gmac Brass Safety Catch//Transfer port drilled out
Full Gmac Trigger kit/Gmac barrel cut to 9inch/Weihrauch Silencer/Custom Home Made Grips/
New TRACER LEDRAY GL2 LAMP 90m Range Beam//HI-Pac

 Return to Index  

700 fps is going to require valve work I think

January 22 2011 at 4:30 PM
v30  (Login v30)
Crosman Forum Member
from IP address 142.163.149.242


Response to 1377 flat top setup questions

With the flat top valve and piston and lighter valve spring I was able to get about 630 fps on 14 pumps.....700 fps will probably require some kind of valve work like Phil suggested.

 
 Respond to this message   

Crosman Corporation 1-800-724-7486