This listing is for ONE Action Piston for an Old Model Akkar model 600 semi automatic, 20 gauge shotgun. Any combination of 3 or more non-gun non ammo items ship free, lower 48. From an Importer liquidation come this piston, or action piston, for an Akkar made model 600 auto shotgun chambered in 20 gauge, that will accept 3 inch shells Manufacturer was Akkar Silah Sanayi Ltd. of Istanbul, Republic of Turkey. Importer was KBI of Harrisburg, PA, the Charles Daly Importer until 2010. Production dates ranged from 2006 until 2010. Construction is milled alloy. Finish is semi gloss black anodized. This assembly will fit only the Older model 600 Akkar and Daly shotguns that will accept 20 gauge, 3 inch shells and whose bolts and action bars accept a Bolt Handle with a round stud end. Dimensions are 1.375 or 1 3/8 inches overall length and .888 inside diameter. Schematic view is #49 Piston, and #50 Piston Seal. These Pistons and Seals will only fit a Akkar model 600, or an Akkar / Charles Daly model 600 Semi Automatic shotgun chambered in 20 gauge, that will chamber 3 inch shells, and which requires a round holed action bar block. They will not fit any Daly whose bolt takes an Oval Bolt Handle. Surface detractions are minimal, only occasional shelf wear from Samco's warehouse. We're offering the Akkar Daly old model 20 gauge auto piston and seal combinations in the photos, or their identical mates, each for only $15.00.