M37 Dual Feed Barrel Extension, Stripped. US GI, NOS Condition.

Accelerator/Breech Lock Pin. M1917, M1917A1, M1919A4, M37. US GI, NOS Condition.

.30 cal. Barrel Lock Spring. US GI, NOS Condition.

Breech Lock. Dual Feed. US GI, NOS Condition.

7.62mm Barrel Lock Spring, M1917, M1919, M37, IMI. New Condition.