ANM2 .30 Cal Barrel Extension Browning Machine Gun Parts Search for: Search D28121 Barrel Extension, ANM2, .30cal. $249.95 B134190 Spring, Lock, Barrel, ANM2. $29.95 B134178 Breech Lock, ANM2. $79.95 A20615 Spring, Breech Lock and Accelerator Pin, .30 caliber ANM2. US GI, NOS Condition. $3.95 ANM2 BAR EXT BRITISH Barrel Extension, ANM2, British, w/parts. Call for Price A135231 Pin, Breech Lock and Accelerator, ANM2. $19.95 MKII-REC-GROUP British MKII ANM2 .303 caliber Receiver Group, w/Barrel. $699.95