I'm afraid to ask what 's used now. Might be a Glock.
The Google is your friend
New York Troopers History
UniformTroopers
1917-1954-Colt 1917/New Service, .45LC, 5.5"bbl, blue NYST on back strap, Troop letter and 1 to 3 digit property number on butt (both rollmarks done @ colt
1954-1962-Colt Official Police, .38Special, 6"bbl, blue NYST on back strap, Troop letter and 1 to 3 digit property number on butt
196X-19XX Smith and Wesson Model K-38 Masterpiece, .38special, 6"bbl, blue - pistol team only
1962-1972-Colt Official Police, .38Special, 4"bbl, blue NYST on back strap - still in service through 1974
1972-1973-Smith and Wesson Model 10-6, .357mag, 4"bbl, blue -no marking
1974-1978-Smith and Wesson Model 13-1, .357mag, 4"bbl, blue - no marking
1979-Smith and Wesson Model 520, .357mag, 4"bbl, blue - None - never issued, contract cancelled, 3110 made, SNs: N557750- N560860
1979-1981-
Smith and Wesson Model 28-2, .357mag, 4"bbl, blue- NYSP left side of frame below cylinder
1981-1990-
Smith and Wesson Model 681, .357mag, 4"bbl, stainless -NYSP left side of frame below cylinder
1990-2008-
Glock Model 17, 9mm, black -None - issued models destroyed and replaced by model 37 circa 2008
2008-present-Glock Model 37, .45GAP, black-None - current issue - to be destroyed when replacement weapon selected