are you sure it's not BP for black powder ??? it means barrel bushing, the pistol is a transition between colt 1911 commercial and series 70. your pistol was probably made in 1969.
probably the inspectors initials.................
It should have the caliber marked on the barrel,such as"38 Colt New Police".
barrel or frame
On the top of the barrel near the flash suppressor it should be stamped with the caliber and rate of rifling. Example - 5.56 Nato 1/7.
I believe 'pt' stands for patent, as in Colt patent firearms
Proofhouse.com has Colt sn tables. You can also call Colt and they will tell you.
AnswerColt New Police was the name of the cartridges fired in the gun.(32 New Police,38 New Police)Could a 38 Colt Police Positive serial 24827 be stamped Colt New Police on the frame The answer is YES. Police Positive First issue 1907-1927 is marked Police Positive on the Barrel and early Transitional Models will also be double marked with New Police on the Frame. This Double Marked version in 90% condition or better will add 10% to the Price.
check barrel and frame for model
Yes it does, unless your barrel is stamped .223 .
Try bottom of grip frame
barrel, cylinder, frame, sights, hammer, grips, springs
made about 1904. In 32 cal. value depends on condition