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Dixie Gunsmithing · May 6, 2013, 10:52 PM

As you close the bolt, the sear catches the sear notch of the spring loaded striker, and holds it back. After you close the bolt, and then pull the trigger, the sear moves down, and allows the striker to move forward, under spring pressure, and into the firing pin. It sounds to me like either the sear is not catching in the sear grove of the striker, or it barely catches, and when the bolt is closed, it releases and fires prematurely. It could be a worn sear, sear notch, or sear-trigger spring. By the way, I think this is the same gun as a Marlin 100 marketed by Sears, so Marlin parts would fit it.

Check for a frozen firing pin protruding from the bolt face too.

May 6, 2013, 10:52 PM	#2
Dixie Gunsmithing Moderator Emeritus Join Date: April 27, 2013 Location: Ohio Posts: 1,923	As you close the bolt, the sear catches the sear notch of the spring loaded striker, and holds it back. After you close the bolt, and then pull the trigger, the sear moves down, and allows the striker to move forward, under spring pressure, and into the firing pin. It sounds to me like either the sear is not catching in the sear grove of the striker, or it barely catches, and when the bolt is closed, it releases and fires prematurely. It could be a worn sear, sear notch, or sear-trigger spring. By the way, I think this is the same gun as a Marlin 100 marketed by Sears, so Marlin parts would fit it. Check for a frozen firing pin protruding from the bolt face too. Last edited by Dixie Gunsmithing; May 6, 2013 at 11:04 PM.