Hi-Lux Optics currently offers three period-correct models that would be at home on a M1903A4 and the USMC M1903A1 sniper rifles.
New Vintage Sniper Optics: Using The M73G4 Sniper Scope For Competition
Introducing The New 1-4x CMR-AK762 Tactical Scope - Hi-Lux Optics
Vintage Gun Scopes, 51% OFF
Leatherwood/Hi-Lux Optics: Vintage Style Wm. Malcolm Scope & .45-70 Winchester High Wall Prove To Be Strong Medicine For South Dakota Buffalo!
Sniper Central HI-LUX USMC M40
Hi-Lux Optics Vintage Scopes Guns And Ammo, 50% OFF
SHOT 2023] New Scopes And Mounts From Hi-Lux Optics -The Firearm Blog
Malcolm 8X GEN II Vintage Sniper Competition Scope (Hi LuX)
History of Rifle Scopes and the Future of Optics - AmmoLand Shooting Sports News
Hi-Lux Precision Rifle Scopes and Optics
The New Sub $1,000 King? - Hi-Lux PR5 FFP Scope!