Long Range Accuracy for Heavy Calibers
The M-308 4-16x42 represents Nikon’s Precision AR Optic technology for heavier caliber rifles capable of long-range accuracy. A large magnification range combined with an oversize lens provides accurate shots with heavy caliber rifles in any conditions.
A perfect choice for shooters wishing to have a clear field of view with one specific aiming point through their choice of optic, the Nikoplex reticle is a great choice for shooters who want a simple aiming point that can still utilize all that Nikon’s Spot On Ballistic technology has to offer.
Custom Precision at Your Fingertips
Like all of Nikon’s riflescopes, the M-308 series is optimized for use with Nikon Spot On Ballistic Match Technology. Spot On allows you to discover all of the exact aiming points on your scope’s reticle at various yardages for your specific ammunition and load.
Rapid Action Turrets
Rapid Action Turret technology is an incredible system based on the .308 Winchester/7.62x51 NATO round. It simply and effectively allows the shooter to dial-in elevation anywhere from 100 to 800 yards away. Now, it’s possible to aim directly at the targets, eliminating the need to holdover by changing distances with a quick turn of the turret.
Ultra ClearCoat® Optical System
Nikon has engineered the entire optical system of the M-308 to provide the shooter with a bright, sharp, incredibly flat sight picture and light transmission up to its theoretical maximum—95%, allowing for a clear sight picture from dawn to dusk.
Nikon's Lifetime Warranty
Nikon riflescopes are covered by Nikon's Lifetime Warranty. If any Nikon riflescope is found to have defects in workmanship or materials, we will, at our option, repair or replace it at no charge.
Quick Focus Eyepiece
Allows the shooter to instantly bring the reticle into sharp focus.
Nitrogen filled and O-ring sealed for confidence under the toughest of conditions.
Field of View
6.3- 25.2 ft @ 100 yds
Tube Diameter - Other
Objective Outside Diameter
Eyepiece Outside Diameter
Adjustment Graduation - Other
Max Internal Adjustment
Parallax Setting - Other
50 yds - ∞
Spot On Custom Turret
Centerfire Short/Mid Range
AR (Modern Sporting Rifle)
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