This Remington manufactured third variation complete breech bolt assembly is for the model 11-48 semi-auto shotgun in 12 gauge and is in very good condition with light wear. This assembly consists of the third variation breech bolt (no legs), extractor, extractor plunger, extractor spring, early 3 1/16" long firing pin, firing pin retaining pin, firing pin retractor spring, left & right links, link pin, late variation locking block, locking block pin, and the third variation slide. (file photos)

Note: Remington model 11-48 semi-auto shotguns with the following gauge and serial numbers have been observed with this part:

12 Gauge: 5071108, 5075577, 5102735 & 5112147