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

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

Barrel Extension, Stripped 7188690 (Original US, NEW IN THE GREASE), .30 caliber, M1917, M1919. US GI, NOS Condition.

Barrel Extension Assembly C64139, Complete, 7.62mm, M1917, M1919, US GI, NOS.

Accelerator/Breech Lock Pin. US GI, NOS Condition.

FN-30 Barrel Extension Assembly. Used Condition.

Breech Lock. US GI, NOS Condition.

FN-38/39 Aircraft Bolt Assembly (Incomplete) and Barrel Extension. Used Condition.

Barrel Extension Assembly, .30 cal., M1917, M1919, US GI, NOS.