7313160 SPG$3.95M3 Back Plate Latch Lock Spring. US GI, NOS Condition.7313160 LCK$19.95M3 Back Plate Latch Lock. US GI, NOS Condition.7313155$349.95Backplate, Fixed, M3.M3 Back Plate, no internal buffer parts. US GI, NOS Condition.7313153$19.95M3 Back Plate Latch. US GI, NOS Condition. M3 Back Plate Browning Machine Gun Parts Search for: Search Showing all 4 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 7313155 Backplate, Fixed, M3. $349.95 7313153 Latch, Backplate, M3. $19.95 7313160 SPG Spring, Back Plate Latch Lock, M3. $3.95 7313160 LCK Lock, Latch, Back Plate, M3. $19.95