Samson Evolution Keymod 2 Rails Kit 2'' 6061-T6 Anodized Alum Blk. KeyMod Evolution series has slots at the 3 6 and 9 o'clock positions. 2" Accessory rail kit includes two rails. Specifications for Samson KM-2-KIT Evolution Keymod Rail Kit 2" (2 Rails) 6061-T6 Anodized Alum Blk: Mfg Item Num: KM-2-KIT Supplier SKU: 92456 Category: FIREARM PARTS Type: Rail Model: 2" (2 Rails) Finish: Hardcoat Anodized Size: 2" Material: 6061-T6 Aluminum The Samson KM-2-KIT Evolution Keymod Rail Kit 2" (2 Rails) 6061-T6 Anodized Alum Blk is a quality addition to the Samson lineup. For more great deals on Picatinny Rails by Samson please browse our Samson Weapon Accessories page. Samson 04-02010-01: Evolution Keymod Rail Kit 2'' 2 Rails 6061-T6 Anodized Alum Blk