American Handgunner July/August 1977

InstantTrigger Job forNew Replacement Hammer Is theAlternative to Trigger JobWith gun unloaded and hammer at half cockthe adjusting screw can be reached fromthe outside and sear contact changed withthe small Allen wrench supplied with kit.hIBy TERRY HUDSONT IS true, as has been said, that the Model 1911-A1 pistol isI a gun to swear at or swear by. Those who swear at it object,among other things, to its horrendous trigger pull that can bein excess of 8 lbs. in guns out of the box. Those who swear bythe 1911-A1-whether in .45 ACP, 9 mm, .38 Super, .22 LR1 Conversion, etc.-have filed, stoned and honed the full-cocknotch on the hammer to smooth and reduce trigger pull to3'12-4 Ibs.1 Now all you have to do for a trigger job is install a Silva AdjustableHammer and, with the gun reassembled, turn an ad-I1. justment screw with an alien wrench. All adjustments are external.itEThe principle is similar to that used in adjustable triggers onsome target rifles. The adjusting screw reduces trigger pull byregulating the amount of engagement between the sear and thefull cock notch of the hammer.The adjusting screw is held securely by a locking screw, witha neoprehe plug between the two that provides a friction lockwithout deforming the threads of the adjustment screw. Thelocking screw is set at the factory and generally should not bechanged., . .Installation of the Silva Adjustable Hammer is straightforward.Complete instructions are included by Woody Silva witheach hammer. Be sure your gun is unloaded at all stages of installationand adjustment.Strip your gun and replace the stock hammer with the Silvahammer. You may transfer your (Continued on page 62)The adjusting screw protrudes below The Silva Adjustable Hammer as it When necessary, disconnector shouldfull cock notch to regulate amount comes from factory. Sides are not be ground to radius. Disconnectorof contact between sear and hammer. blued; spur has course serrations. shown at top has been so altered.