6131253$6.95Accelerator/Breech Lock Pin. M1917, M1917A1, M1919A4, M37. US GI, NOS Condition. 6147230$9.95.30 cal. Barrel Lock Spring. US GI, NOS Condition. 7188690-7.62$99.95Barrel Extension Assembly C64139, Complete, 7.62mm, M1917, M1919, US GI, NOS. B147214$9.95Breech Lock. US GI, NOS Condition. 7188690$74.80Barrel Extension Assembly, .30 cal., M1917, M1919, US GI, NOS. On Sale!6147230-7.62$29.95 Original price was: $29.95.$16.95Current price is: $16.95.7.62mm Barrel Lock Spring, M1917, M1919, M37, IMI. New Condition. C64139$49.95Barrel Extension, Stripped 7188690 (Original US, NEW IN THE GREASE), .30 caliber, M1917, M1919. US GI, NOS Condition. M1917 Barrel Extension Browning Machine Gun Parts Search for: Search Showing all 7 results Default sorting Sort by popularity Sort by latest Sort by price: low to high Sort by price: high to low Sort by name: A to Z C64139 M1917, M1919 Barrel Extension, Stripped. $49.95 B147214 Breech Lock, M1919. $9.95 6131253 Pin, Accelerator/Breech Lock, M1917, M1919, M37. $6.95 6147230 Spring, Barrel Lock, .30 cal., M1919. $9.95 Sale! 6147230-7.62 Spring, Barrel Lock, 7.62mm, M1917, M1919, M37. $29.95 Original price was: $29.95.$16.95Current price is: $16.95. 7188690-7.62 M1917, M1919 7.62mm Barrel Extension Assembly $99.95 7188690 M1917, M1919 .30 cal. Barrel Extension Assembly. $74.80