| 1. | HK91.com | | | Offers information on Heckler and Koch firearms, a message board, and gun rights data.
www.hk91.com |
| 3. | Mark23 Owners Guild | | | Presents a library of information on everything for owners and enthusiasts of the Mark23 or Mk23mod0 SOCOM.
www.mark23.com |
| 4. | K P7 Website | | | Offers information about the P7 series of semiauto pistols made by Heckler and Koch with an HK-4 annex.
www.HKP7.com |
| 5. | HKPro.com | | | Features this unofficial resource for the serious student of Heckler and Koch. Provides a forum and also sells HKPro gear.
www.hkpro.com |
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