Retro vavle

[AJmag]

hey, i waz wondering what a retro vavle is gonna do fer my gun and why everbody says u should get one?:confused:

[FrAuStY]

please before you post, try to search the forums.. I think several people already asked this question. heres the link:
Straight off AGD's website..
Retro Valve (http://store.airgun.com/acb/showdetl.cfm?&DID=17&Product_ID=19&CATID=5)