Upper firing pin retaining screw position in a BG&F Batavia Leader



An early Folsom Baker Gun Co. Batavia Leader with the lower firing pin retaining screw position; interestingly with chain Damascus barrels.



And just to confuse us, there was a transition with no retaining screw frown

L grade Trap



But the Baker New Paragon Grade - Model Nineteen-Nine looks to have the screw or PIN??