Brown & Sharpe produced 1903A3 bolts made during World War Two. These bolts exhibit later features including single enlarged gas escape hole, eliminated bolt stop detents, and a stamped extractor collar.

NIW - New In Wrap bolts, may exhibit minor corrosion, handling/storage markings, packaging may be torn or damaged.

Used - Good condition bolt with no apparent defects.

Markings

B&S found on the top of the bolt handle lug