EASY TO INSTALL , FILL TO 2400 PSI .. basic installation video
https://www.youtube.com/watch?v=JyCG3_mnubY
ORDER THE UPGRADED HAMMER SPRING , YOU WILL NOT GET CLOSE TO PEAK POWER WITHOUT IT .were talking over 150 fps difference in peak.
heres a good read on the max tuning efforts
https://www.gatewaytoairguns.org/GTA/index.php?topic=195812.0;topicseen
DIANA CHASER SAFEPAC, 25CCHPA CONVERSION
$84.00 Regular Price
$71.40Sale Price
Cassidy
UNLESS YOU PAY FULL PRICE FOR FEDEX WHICH IS 75 usd