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BKL

BKL 300 30mm high profile 3/8"11mm Dovetail Rimfire and Airgun Rifle Scope Mount Rings

£33.95
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BKL 300 30mm high profile 3/8" & 11mm Dovetail Rimfire and Airgun Rifle auto-centering Scope Mount Rings

Top quality, made in the USA mount rings for airgun and rimfire rifles.

High profile 2 piece mount rings for 30mm tube scopes for fitting on 3/8" and 11mm airgun and rimfire dovetail base rails.

Height - 0.979" - 24mm base to bottom of ring equates to maximum scope outer objective diameter of 76mm - pretty much any large scope from 50-60mm+ lens size is fine.

  • Tube diameter: 30mm
  • Fits: 3/8" and 11mm dovetail grooves
  • Overall Length: 0.60" - 15mm
  • Clamp Length: 0.60" - 15mm
  • Ring Width: 0.60" - 15mm
  • Bottom of Mount to bottom of Scope Tube: 0.979" - 24mm
  • Weight: 3.0 oz - 98g
  • This item sold as a set of 2 mounts

Calculating scope to rifle body clearance

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 this means 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 - 24mm - that is pretty high

Example -

  1. A scope has an outer case measurement of 52mm (scopes with 40-44mm lenses tend to be in this area of outer case size)
  2. 52 divided by 2 = 26.
  3. 30mm scope so deduct 15mm = 11mm
  4. So the mount must have a saddle measure (base of mount to bottom of the ring) greater than 11mm or else it will ground out on the rifle body.

Calculating your rifle scopes clearance in this way does assume your dovetail or base is not raised above or below your rifles barrel. Note 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.

 

What are the advantages of BKL mounting systems?
1 - Installation is performed easily because there are few components to contend with. BKL uses the same #8-32 screws for both scope ring and base clamps. One 9/64 hex wrench tightens all.
2 - The inside diameter where the rings clamp together is radiused to prevent scope damage.
3 - BKLs clamping system self aligns as it tightens down on 3/8” and 11mm dovetails.
4 - No lapping required.

Do I have to center BKL scope mounts?
No. All of our products center up as the pressure from the clamping system pulls down as it clamps in.


BKL 300 - customer user review
I mounted my Vortex Viper, 6.5-20 onto relatively new LH CZ 452 American, .22LR, for SB Met. Silhouette. Scope alignment at 40 meters for 0 setting at this first distance, needed very little adjustment with new rings. I really like the design of the ring plus how solid it is and aluminum. I will be another person praising BKL on several forums. I plan to buy your BKL-200 for my granddaughters Savage youth .22LR. rifle.

About BKL - Made in Texas, USA

BKL Technologies, manufacturer of the largest selection of airgun and rimfire scope mounts in the U.S. Our competition-grade scope mounting system includes scope mounts, scope rings, dovetail to weaver adapters, and scope risers that utilize a quick-installing and self-aligning clamping system that fits both 11mm and 3/8" dovetails.

BKL mounts are compatible with popular rimfire manufacturers such as Anschutz, CZ, Feinwerkbau, Marlin, Remington, Savage, Suhl and air rifle manufacturers such as Air Arms, AirForce, Beeman, Benjamin, BSA, Crosman, Daystate, Diana, Gamo and Webley.

See http://www.bkltech.com/ and ask us about any other BKL products you'd like to get

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Brand BKL
Code NW1135
Weight 0.11kg
MPN BKL-300-MB