Volquartsen Extended Bolt Release fits Ruger Mark IV Black Slightly Longer and Wider... Makes Releasing the Bolt Easier! Fits Ruger MKIV (Not MKIV 22/45) Finding it too hard release the bolt on the MK IV? Our extended bolt release gives you...

Extended Bolt Release for Ruger MK IV (Not 22/45)This part gives a larger, grippier surface for your thumb to engage the Ruger Mark IV bolt release. Releasing the bolt after a magazine change takes less effort and becomes more natural. It's especially...

TK Bolt Keeper Extended Bolt Release fits Ruger 10/22®- A drop-in upgrade for your 10/22 Bolt Release, the TK Bolt Keeper mounts a nice big KNOB to the bolt release... Making it easy to find and reliable to operate. Tip the knob in to release and out...