Tuesday, April 7, 2015

Old Underhammer Pistol Revitalized

Black Powder Muzzle Loading Under Hammer Pistol.

Here is one that was built during www.garagegunsmithing.com's life time, that site is now MIA.

The grip was way too large and the inside surface was too close to the hammer spring.  It would bang my knuckles upon, firing, but not now.



Jan/28/2017:  Reworking this one to be a target pistol.



.50 cal smooth bore, hammer at half-cock.  Walnut grip reshaped to be usable where it was not before today.  Action is another prototype that works very smoothly.  Single black screw in upper right holds the action cover down in that corner.



Right Side View, P05222012 is the serial number and date.  The two 10-32 bolts (through the barrel plug) hold the barrel in place. Grip rails riveted to this side plate (right side). Yes it's rough but it works.

My wife suggested to reshape the barrel to cut down on front heavy weight.



Action somewhat visible here.  Sear hangs down from center pin and trigger holds it in place.  Pulling back on the trigger moves the trigger tip away from the sear, lets the sear move backward, releasing the hammer.







 Top View.  Roughly sighted in for about 40 feet.



















Front View. Half-cock, just enough.

















Original Grip.
Not enough knuckle room, Hard to grip.










Inside look during construction.




















Jan/28/2017

Am currently upgrading this pistol.
New rifled barrel, .50 cal, 1:28 twist.
Reshaped hammer spring, stiffer too.
Reworked action, lighter and longer release.






IdeZilla

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