Overview Reviews Product Description Volquartsen - MKII Hammer Bushing This is a simple drop in replacement part for your Ruger MKII that removes the slop typically found in your factory bushing. It is finished in black oxide and hardened for maximum durability. Product Videos Custom Field Product Reviews Write a Review Write a Review × Volquartsen Custom Volquartsen - MKII Hammer Bushing Rating * Select Rating 1 star (worst) 2 stars 3 stars (average) 4 stars 5 stars (best) Name Email * Review Subject * Comments *