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Sportsmatch Dampa DM80 1 Inch Picatinny Super Recoil Proof Rifle Scope Ring

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Information

1 inch tube, 1 Piece for picatinny bases for scopes upto approx 56mm objective lens.

Note - suitable for MIL Spec 1913 Picatinny Specification Rails only. Not older type weaver where slot widths may not match correctly
 
The Sportsmatch DM80 Dampa mount has long been known as the best scope mount for use on heavy recoiling rifles.

Conceived as the ultimate recoil absorbing and accuracy enhancing mount, the Dampa utilizes rubber bushings to dampen the shock and vibration that the telescopic sight would normally be subjected to.  

This feature massively reduces the need to re-zero your scope between shooting sessions and  prolongs the life expectancy of any telescopic scope. 

The Dampa mount utilizes an extra secure two screw strap and the mount is entirely constructed of high quality aircraft grade aluminium, machined to exacting tolerances in the UK. 

Key Features:

  • 4 screw clamping base and plates - very secure
  • Rubber brushes prevent scope damage
  • Recoil not transmitted the scope 
  • Double screws
  • Retractable Recoil Pin
  • Supplied with 3mm allen key that fits both ring and base screws.

Measures

  • A - Height (rail-scope): 23mm
  • B - Mount length at base: 110mm
  • C - Clearance - 5mm
  • Weight: 166g
  • Picatinny Rail fit - MIL Spec 1913
  • 1 inch tube
  • Made in the UK
A -
Clearance guide

The way you calculate the clearance is by halving the overall OUTSIDE diameter of your rifle scopes objective lens and then deducting half the rifle scopes body tube diameter.

For scopes with a 30mm diameter body tube diameter this would mean deducting 15mm.

Note we say OUTSIDE diameter - this means NOT the lens diameter, you need to measure the whole outer casing diameter.

The result gives you the minimum "saddle" dimension required - the measure from base of mount to bottom of the ring.

The amount the saddle dimension is greater than the figure you have calculated is the amount of clearance your scopes objective will be clear of your rifles body. 

The saddle on these mounts is 23mm

Example -

  1. A 50mm objective lens scope is measured and found to have an outer case measurement of 64mm.
  2. 64 divided by 2 = 32
  3. 30mm tube scope so deduct 15mm = 17mm
  4. So the mount must have a measure (bottom of mount to bottom of the ring) greater than 17mm or else it will ground out on the rifle body.
So in this example, we have 23mm to use, so have a minimum clearance of 6mm

Calculating your rifle scopes clearance in this way assumes the base is a regular flat base. Some rifles with high or adjustable cheek pieces may require higher scope mounts or risers so that your eye is in line with the rifle scope and your head is kept in an upright comfortable position.
 



 

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