Uncle Mikes magazine cap swivel set has a factory magazine cap with the swivel base already installed. Just unscrew the factory magazine cap and replace it with the new cap. For the buttstock, a 3/4″ wood screw swivel base is included, along with two super swivels with Tri-Lock.
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Caldwell 397493 Magazine Charger Tac 30 223 Rem/204 Ruger/5.56x45mm NATO AR-Platform (Clam Pack)
$31.00
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