The "1 AR" stamped on a bracelet typically indicates that the piece is made of 1 carat of a specific gemstone or precious metal, often signifying its quality or authenticity. In some contexts, it might also refer to a specific brand or designer's marking. It's important to verify the context in which the stamp appears to understand its precise meaning.
1 cubic centimeter of gold = 19.28.
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.
It should be stamped on the barrel. If it's a 1 in 7 twist, it will read 1:7.
I've never seen a Colt AR-15 which didn't have a 5.56x45 chamber. The barrel should be stamped "5.56x45 1 in 7" (or "1 in 9", depending on the rifling pitch).
Is it possible you mean an AR 15 made with an elcectroless nickel finish?
AR 530-1 is the Army Regulation for Operations Security or OPSEC. it outlines the regulation and procedures for practicing operations security.
If the rifle has M16 stamped on it, it is an M16. The letter "M" simply stands for MILITARY MODEL even though it's only 1 letter "M"-16. AR stood for the company that originally built the rifle, the Armalite company.
No one cares, all they care about is how smokin' hot Chelsea Becnel is ;)
( a + ar ) = a ( 1 + r )
If you mean a Smith & Wesson Model 629-1 revolver, it is stamped on the bottom of the grip frame. It will be covered by the grips. A secondary SN is usually stamped on the frame under the cylinder crane. Open the cylinder to see it.
AR 25-1 does not directly apply to Army Electronic Warfare. AR 25-1 is the title of the manual is Army Knowledge Management and Information Technology.
SRB 1 stamped on a ring likely indicates that the ring is made of sterling silver. The term "SRB" might also refer to the manufacturer or designer of the ring. It's a common practice for jewelry makers to stamp their pieces with such markings for authenticity and identification purposes.