TANDEMKROSS Bolt Keeper Extended Bolt Lock Ruger PC Carbine Black. Simplifying the bolt lock operation the ''Bolt Keeper'' Extended Bolt Lock for Ruger PC Carbine will allow an easy to find by feel with either hand from either side of the gun. Reduces jam clearing time by holding the bolt open after magazine has been removed. Easier and more comfortable gun clearing and flagging for competition use. It installs in minutes and only requires the stock to be removed. Has been tested with the factory stock Tandemkross Upriser and aftermarket flared magwells and has proven an improvement in operation on all Ruger PCC platforms. Compatible with both the Ruger PC Carbineand Ruger PC Charger Specifications for TANDEMKROSS Bolt Keeper Extended Bolt Lock: Manufacturer: TANDEMKROSS Gun Type: Carbine Gun Make: Ruger Gun Model: Ruger PC Carbine Caliber: .22 Long Rifle Color: Black Features of TANDEMKROSS Bolt Keeper Extended Bolt Lock Ergonomic and easily accessible Bolt Lock Easy installation Package Contents: TANDEMKROSS Bolt Keeper Extended Bolt Lock What firearm models does the manufacturer say TANDEMKROSS Bolt Keeper Extended Bolt Lock is compatible with? The manufacturer says that TANDEMKROSS Bolt Keeper Extended Bolt Lock is compatible with Ruger PC CarbineTANDEMKROSS 2828N0401BLK1: Bolt Keeper Extended Bolt Lock Ruger PC Carbine Black