Nikon Prostaff Rimfire II 4-12x40 BDC

Item No. 01820816330
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Product Description


Rimfire calibers are still extremely popular among shooters because they are not only fun to shoot they can be extremely accurate as well. That's why Nikon has a comprehensive line-up of rimfire riflescopes. The new PROSTAFF RIMFIRE II is the perfect optic for long range guns and combines Nikon's Fully Multicoated optical system with the rimfire-specific BDC 150 reticle.

Nikon's BDC 150 Reticle

Designed specifically for rimfire, the BDC 150 reticle allows shooters to compensate for bullet drop at extended shooting distances. The BDC reticle's unique see-through ballistic circles offer an incredible advantage for long range shooting, yet still allow a normal sight picture for shorter-range shots where the crosshair itself is the aiming point.

Nikon BDC 150 Reticle

Fully Multicoated Optical System

Multiple layers of anti-reflective compounds on every glass surface provide bright, vivid pictures and optimum light transmission from dawn to dusk.

Spring Loaded Instant Zero-Reset Turrets

To simplify field adjustments, Nikon has integrated this feature into the riflescope. Just sight-in as usual, then lift the spring-loaded adjustment knob, rotate to your “zero”, and re-engage. Field adjustments are now as simple as dialing-in your subsequent ranges.

Spot On Ballistic Match Technology

The PROSTAFF RIMFIRE II, like all of Nikon’s riflescopes, 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.


Excludes lost or stolen products and intentionally caused damage, and also excludes Nikon Rangefinders, Reflex Sights, Red Dot Sights, StabilEyes Binoculars & Specialty Optics.


  • Magnification-4 - 12 x
  • Objective Diameter-40 mm
  • Exit Pupil-3.3 - 10 mm
  • Field of View-7.9 - 23.6 ft @ 100 yds
  • Tube Diameter - Other-1 in
  • Eye Relief-3.7 - 3.7 in
  • Eyepiece Outside Diameter-44 mm
  • Weight-13.6 oz
  • Overall Length-14 in
  • Adjustment Graduation - Other-1/2 in
  • Max Internal Adjustment-60 MOA
  • Parallax Setting - Other-75 yds
  • Waterproof/Fogproof-Yes
  • Spot On Custom Turret-Yes
  • Matte Finish-Yes
  • Use-Rimfire
  • Reticle BDC-150

Customer Reviews

4.0 / 5.0
2 Reviews
5 Stars
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1 Star
Have 2 but one is great one not so great
Have one mounted on Savage A17 17hmr dead on every time had it seen Nov 2017 400 plus round. And the not so good installed second last night on Ruger 10/22 hammer forged target barrel and zeroed in this morning put 200 rounds with son and this this afternoon went shot more and now the cross hairs move to 10 &4 but still was zeroed in wasn't going waste a good day of shooting
February 25, 2018
Originally posted at
One of the best
I mounted this on a CZ 452 left handed 22lr. For targets upto 100 yards . I've installed the the Nikon SpotOn Ballistic Match app on my cell phone, that give you the information on bullet drop and so on. A great tool and setup, so far the app has been right on target, and with this setup I'm getting 1/4" groups at 50 yards with Aguila .22 LR High-Velocity Rimfire 40 grs
February 1, 2018
Originally posted at