This device allows you to use the rifle and optic to dryfire practice in a very small area.  With this adapter most scopes focus in the 11-15 feet range, depth of field is about 6”.  By increasing your parallax distance you can sometimes increase that focal distance.  With proper lighting you can use your scope at maximum magnification.  Perfect for in the house, in the garage or a small backyard.  Use this device to practice different positions, balance points on the rifle, slung vs unslung, various support bag combinations. I have found the D.F.A.T to be extremely valuable in determining how small I can make my "wobble" with non-prone positions.  Usually shooters can get a good idea of their abilities and improvements by dry firing on known "MOA" size targets. 

The Gen 2 version of the DFAT has the aperture lens system held within a threaded aluminum sunshade. This is a very precise fit. Be sure to take care when fitting, as you do not want to cross thread your scope or the adapter.

The 37 DFAT HD Gen II has the aperture lens system held within a threaded aluminum sunshade, like other Gen 2 DFATs. However it's significant benefit is the glass lens is held in with a threaded retainer. It is possible to remove for cleaning if needed.  This design provides a very secure fitment like lenses in a scope.     

Another advantage of the 37mm Gen 2, is the smaller diameter allows one DFAT to fit more scopes without any barrel clearance issues.

Sizes 49-55mm ship with 1 adaptor ring. Sizes above 55mm with ship with a 37-55mm adaptor ring, and the 55-Selected Size adaptor ring.

Common Scope Fitments - Download sizing charts for more specific details

49mm

  • Vortex Viper Gen II 3-15x44

52mm

  • Steiner T5Xi 3-15x50
  • Vortex Viper 6.5-20x50
  • Vortex PST/HST 4-16x50/6-24x50

52.5mm

  • Vortex Diamondback Tactical 6-24x50

53mm

  • Athlon Argos BTR G1&2 6-24x50
  • Athlon Helos BTR 6-24x50
  • Athlon Talos 6-24x50

54mm

  • Zeiss LRP S5 3-18x50

55mm

  • Athlon Midas 50mm Range
  • Burris XTR II 50mm Range
  • Burris Veracity 50mm Range
  • Nightforce ATACR 4-16x50 F1
  • Vortex Golden Eagle 15-60x52
  • Vortex Viper PST Gen II 5-25x50


56mm

  • Bushnell Elite Tactical, DMR, ERS, HDMR, XRS, XRSII 50mm Range
  • Hendsoldt ZF 50mm Range
  • IOR 4-14/6-24x50
  • Nightforce NXS 3.5-15/5.5-22x50
  • Trijicon AcuPont 5-20x50
  • Zeiss Victory 3-12x56

57.5mm

  • Vortex Strike Eagle 5-25x56
  • Vortex Razor AMG 6-24x50

58mm

  • Kahles K624i,K525i, K1050i
  • Schmidt & Bender 56mm Sunshade
  • Steiner M5Xi 5-25x56
  • Steiner T5Xi 5-25x56
  • Steiner T7Xi 4-28x56
  • Tangent Theata TT525P

59mm

  • Athlon Argos 56mm

60.5mm

  • Element Titan 5-25x56

61mm

  • Athlon Aeries 56mm
  • Athlon Helos 56mm
  • Athlon Midas 56mm
  • Burris XTR III 5.5-30x56mm
  • Burris XTR Pro 5.5-30x56mm

62mm

  • Vortex Razor HD Gen II 4.5-27x56
  • Delta Stryker HD 4.5-30x56
  • Nightforce ATACR 5-25x56 (do not over tighten)
  • Nightforce BEAST
  • Nightforce NXS 5.5-22/8-32x56
  • Nightforce SHV 4-14x56
  • Leupod VX-5HD, Mark 5HD
  • Revic PMR 4.5-28x56
  • Athlon Cronus BTR 4.5-29x56

Sizes 49-55mm ship with 1 adaptor ring. Sizes above 55mm with ship with a 37-55mm adaptor ring, and the 55-Selected Size adaptor ring.

SKU DSTDFAT37KIT
Model # DSTDFATKIT
Brand DST Precision

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