Compatible with fixed or collapsible stocks. Works with all original style eyelet-front/vertical-bar rear attachment points on the buttcap or receiver, including MP5A2/A3/HK94, G3/HK91, G33/HK93, HK53, etc. Now with our steel 1-1/4" HK-type snap hook front attachment. Right-hand only. NOT compatible with MP5F-style rear ambi pins which use an eyelet attachment point instead of the standard sling loop.
As a possible alternative, our Single-Point Sling System fits A3-type HKs with collapsible stocks which have the attachment bar on the left side of the receiver buttcap. This may also be a workaround for left-handed operators as the Single-Point allows transition from shoulder to shoulder.