The average length of the extended spring is .470. (The standard spring is .350) This spring is longer than the standard Sako spring. So if you drill the spring-pin hole to deep for the standard spring, this takes care of the problem. You trim to fit the depth of the hole.

Sako Extended Spring

$2.50Price

    Phone: 970-878-5421

    Fax: 970-878-5420