Description
This spring kit will significantly reduce the pull needed to cock the gun. Kit uses a recoil buffer to compensate for spring pressure reduction.
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Compatible Gun Models: Thompson 1927/28 A1, M1A1
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Will work with Blank Ammo (using a blank barrel) and Live Ammo.
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Kit includes: 1 Hammer, 1 Firing Pin Spring, 2-Recoil Springs, 1 Urethane Recoil Buffer
Watch our 2 minute installation video: Click here for Video.
Click here for Install Instructions
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