MOUNTMASTER 3-9x40MM AO IR

Rifle Scope

The MountMaster AO series has been developed for all types of shooting. All models feature an Adjustable Objective (AO) which ranges from 10 yards to infinity. Using superior optical coatings and easy to use features, the MountMaster AO series will suit just about any shooting application you need without breaking the bank.

All our tried and proven Mountmaster scope series are competitively priced and are rugged enough to stand up to whatever you throw at them. Featuring 1/4” finger adjustable turrets and accurate double screw 3/8” match mounts as well as fully adjustable parallax on the bell (AO) and available with or without illuminated reticle (IR). All Mountmaster scopes feature fully multi-coated lenses, are shock tested and dry-nitrogen purged at the factory to make them fully water and fog proof for guaranteed performance, whether you are on a hunt or at the range.

  • Supplied with 3/8” mount
  • 1 inch matte black alloy body tube
  • AO models feature parallax adjustment on bell 10yds to infinity
  • IR models feature illuminated reticle red/green
  • HMD reticles
  • Multicoated lenses
  • Waterproof, fogproof, shockproof
  • Nitrogen filled
  • 1/4 MOA adjustments (7mm@100m)
  • Fast eyefocus
MAGNIFICATION 3-9
OBJ. DIAMETER (MM) 40
FOV (M AT 100M)
HIGH POWER 4.0
LOW POWER 11.9
CLICK VALUE MM AT 100M 7
E/W RANGE (MOA)
UP/DOWN 30
LEFT/RIGHT 30
EYE RELIEF (MM)
HIGH POWER 85
LOW POWER 85
TUBE DIAMETER 1inch
LENGTH (MM) 322
WEIGHT (GRAMS) 380
PARALLAX (M) 9.1 – ∞
ILLUMINATED RETICLE YES
RETICLE HMD
  • TUBE//  1 Inch
  • FOV//  4 low – 11.9 high (m at 100m)
  • EYE RELIEF//  30 mm
  • WEIGHT//  380 g
  • RETICLE//  HMD