So to whom it may concern, the newer colt AR-15 OEM 1's are no longer roll marked. They are laser engraved, from the pony and even the M4 mark. : r/ar15
Firearms Forum Image Colt Python laser - From: Joeduardo Amaral
ELMS 45 LONG COLT (Gen 3) Laser Cartridge for Dry Fire Training – G-Sight
Custom Colt Trooper Mk III Revolver with Early Laser Products Company HeNe Laser
Nivela laser linii podea colt - unghi 90 grade tip FLS 90 - eMAG.ro
Laser Products Corporation LPC Model 16 Military Laser Sight Advertisement – The Colt AR-15 Resource
DLP Tactical Precision Laser Sight for Colt 1911 Government and Clones
NEW DLP Tactical Precision Laser Sight for Colt 1911 Government and Clones | eBay
NRA Blog | Just How Large Was The First Laser Sight?
Laser Sight for Colt 1911 and Similar – TheMercenaryCompany.com
TR17 Red Laser Sight for Colt Mustang XSP w/Touch Activation (not pocketlite) | Laser Sight Pro
Amazon.com : Laser Kit for Colt Mustang XSP w/ Tactical Holster, Touch-Activated ArmaLaser TR17-G Green Laser & 2 Extra Batteries : Sports & Outdoors