Optics Warehouse Vouchers

SWFA SS 20×42 Tactical Rear Focus Riflescope


5.00 out of 5
SWFA SS 20×42 Tactical Rear Focus Riflescope

The SWFA SS 20×42 Tactical has been a favourite for many years amongst air rifle/ rimfire and centerfire shooters. All SWFA SS 20×42 Tactical rifle scopes are precision made in Japan and feature top quality lenses & multi coating systems. Each SWFA SS Riflescope is built on a 30mm main tube with the option of a matching MOA 1/4 MOA or MIL 0.1 MIL reticle depending on how your shooting brain thinks. The robust 30mm tube ensures the SWFA SS 20×42 is strong enough for all recoil punishment which even includes .50 caliber.

The SWFA SS series features a unique easily adjustable rear focusing system which allows parallax adjustment from 10 yards out to infinity. 

The SWFA SS 20×42 Tactical is perfect for a wide range of shooting disciplines but its unique make up makes it perfect for Air Rifle, Rimfire or 600 yard shooting due to its quality of glass, large 110 MOA elevation adjustment range, 10 yard minimum focus distance and multiple aiming point reticle system in MOA MOA or MIL MIL.

The SWFA SS 20×42 also features an extremely usable patented MOA Quad based reticle or MIL Quad based reticle.  

  • Matte Finish
  • Patented Mil-Quad Reticle
  • 30mm Tube
  • Rear Focus
  • OK for .50 cal
  • .10 Mrad Turrets
Specifications of the SWFA SS 20×42 Tactical Rear Focus Riflescope
Exit Pupil:2.1mm
Field of View @ 100m:1.9m
Rear Parallax Adjustment (m):10m-Infinity
Eye Relief (in):3.9
Diopter Compensation:-2 ~ +1 dpr
Click Adjustment Value:0.1 MRAD or 0.25 MOA
Adjustment Per Revoultion:5 Mils or 15 MOA
Total Elevation Adjustment: Mils or 110 MOA
Total Windage Adjustment Mils or 40 MOA
Type of Reticle:Mil-Quad
Coating:Fully Multi Coated
Weight (oz):21.6
Objective Bell Diamater (A): 49.5mm / 1.949″
Bell Length (B): 119mm / 4.685″
(C): 69mm / 2.716″
Tube Length (D): 148mm / 5.827″
Overall Length (E): 359mm / 14.133″
(F): 49mm / 1.929″
Eyepiece length (G): 92mm / 3.622″
Eyepiece Diameter (H): 46mm / 1.811″
(I): 31.9mm / 1.255″
 Tube Diameter (J): 30mm / 1.181″
Reticle Options for the SWFA SS 20×42 Tactical Rear Focus Mil-Quad Riflescope

Subreticle Information


Subreticle Information


Highest Magnification

Illuminated Reticle

Tube Diameter

Reticle Plane


MOA-Quad, Mil-Quad

1 review for SWFA SS 20×42 Tactical Rear Focus Riflescope

  1. Rated 5 out of 5

    Lance Rose

    Another Optics warehouse bargain. I won my clubs .22 bench rest competition this year (2018) over six legs with this scope on top of an old but extremely accurate 1964 Anschutz 54. Thanks Optics warehouse.

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