Manufacturer stamp: B.B. CO - General Ammunition Discussion

Many say “B.B. CO.” is Bridgeport Brass Company, but I can’t find evidence of that. Can anyone help me verify that “B.B. CO.” is in fact Bridgeport Brass Company? I have found Bridgeport Brass Company markings “BBC” and “B” in a diamond, but not “B.B. CO.”. I wonder if it may actually be Bristol Brass Company, which did use “B.B. CO.”. Examples

Umarex High-Grade CO2 Cartridges for Pellet Guns, BB

Colt 25 Twin Pack Spring Powered Airsoft Pistols, 200 FPS, 70 BB

Ammunition Box Submissions

D.C. Co. 57 Snider Possible Board Dummies - General Ammunition

CCL Industries Global Leader for Innovative Label Solutions

Guard Dog Security CO2 Cartridges - 12 Gram Non

/wp-content/uploads/2023/12/2024

Umarex Legends M712 Blowback Automatic .177 Caliber

At Your Own Risk: Reprisals against Critics of World Bank Group

500 x 9,5mm slingshot ammo : : Sports & Outdoors

Ottawa withdraws controversial amendments to firearms law

Umarex Glock 19 Gen 3 Air Pistol .177 Cal w/ BB Jug & CO2 Bundle

Channel 4 and BBC remove Russell Brand shows including QI, Bake

Air Venturi Dust Devil Mk2 Frangible BB Bullets, BB