The Osprey Universal Arbors for Laser Boresights is the most complete, accurate, easy and inexpensive way to accurately boresight your weapon. Just slide the Osprey Laser Boresight cartridge into the caliber-specific sleeve in your rifle chamber and a laser dot is projected down the exact centerline of your barrel for boresighter diagram extremely accurate scope or sight adjustment. Osprey Laser Boresighters and cartridge sleeves are meticulously engineered with precisiaon for a flawlessly centered dot every time by Osprey. An invaluable tool for any gun enthusiast, this boresighting unit will save time and ammunition while allowing you to sight your weapon in areas where discharging a firearm may not be possible and takes up no more space in your pocket than a rifle cartridge. Convenient on/off switch means you don't have to have the action closed and locked to activate the Osprey laser-sight.

Note: You must start with a Laser Bore Sight, then add an Arbor below to make your cartridge. See chart below for more assistance

Available Osprey Bore Sights

• 38SPEC: 38 Spec 357 Arbor for Boresight
• 40SW: 40 Smith & Wesson Arbor for Boresight
• 44REM: 44 Rem Mag Arbor for Boresight
• 44SW: 44 Smith & Wesson Arbor for Boresight
• 45ACP: Arbor for Boresight 45ACP
• 45COLT: Arbor for Boresight 45Colt 45WIN
• 300WIN: Osprey 300WIN Arbor for Boresight
• 7mmWSM: Osprey 7MMWSM Arbor for Boresight
• 22250: 22-250 Arbor for Boresight
• 243: 243/308/7mm-08 Arbor for Boresight
• 264: 264/300WIN/300WEA Arbor for Boresight
• 270WSM: Osprey 270WSM Arbor for Boresight
• 270WIN: 25-06/30-06/270 Arbor for Boresight
• 300RSUM: 300Rem Short Ultra Mag 7mm Rem Short Ultra Mag
• 76239: 7.62 X 39 Arbor for Boresight
• 270: 270 Weatherby Arbor for Boresight
• 30WIN: 30-30 Arbor for Boresight
• 375H: 375 H&H Arbor for Boresight
• 12GAGArb: Osprey 12 Gauge Arbor for Boresight
• 20GAGArb: Osprey 20 Gauge Arbor for Boresight
• 50CAL: 50 Cal BMG Arbor for Boresight

Specifications for Osprey Universal Laser Bore Sight:

Minimum Range for Sighting:		15 yds
Maximum Range for Sighting:		100 yds
Wavelength:		645nm, 632nm (.223 20X)
Operation:		On/Off End Cap
Battery Life:		~20 min
Laser Type:		Visible Red Laser
Power:		< 5mW
Battery:		Three LR41 for .17, .223 & .223 20X  Three L626 for 9mm  Four L626 for 30 Carbine
Construction:		Brass
Dot Size:		1.5 @ 100 yds.

Osprey Universal Arbors for Laser Boresights Rating & Reviews