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BKL 300 Series 30mm rings

BKL 374 30mm Single Strap 3/8"-11mm Dovetail Scope OFFSET Rings

BKL 374 30mm Single Strap 3/8"-11mm Dovetail Scope OFFSET Rings

£47.95 £39.96 (ex. VAT)
Stock Status: Sold Out
Perfect for solving eye relief problems or clearing gun body obstructions - 0.979" - 24mm base to bottom of ring
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BKL 374 Single Strap 30mm Offset Rifle Scope Mount Rings for 3/8"-11mm Dovetail Rimfire Airgun Rifle bases - High/Extra High profile


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

The BKL 374 single Strap offset mount ring pair is designed to increase eye relief adjustment on receivers that have very little dovetail or where bolt is too far forward.

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

Saddle Height - 0.979" - 24.9mm base to bottom of ring equates to maximum scope outer objective casing diameter of 79mm - Most scope outer casing add 7-15mm to the lens size (depending on things like if it is an AO scope, use of flip up caps etc) so this gives a lot of room.

Generally these mounts are best suited for scopes with 50mm+ lenses though in some circumstances they are useful for smaller scopes such as NV applications, needing to clear iron sights, magazines, bolt actions etc. See Clearance Guide below or ask if unsure.


Specification

  • Scope Tube Diameter: 30mm
  • Mount Rail:  3/8" and 11mm
  • Mount Type:  Two Piece
  • Mount Height:  High/Extra High
  • Finish:  Matt Black
  • High performance CNC machined aluminium
  • Patented clamping system

Technical Specs:

  • Off Set: 1.25" / 32mm
  • Base and Ring Clamp Width: 0.6" / 15.2mm
  • Bottom of Mount to bottom of Scope Tube: 0.979" / 24.9mm
  • Model 300 (standard mount ring) Overall Length: 0.6" /15.2mm
  • Model 374 (offset mount ring) Overall length: 2" (50.8mm)
This item sold as a set of 2 mounts - 1x standard BKL300 and 1x BKL 374 offset

Manufactured from aircraft grade aluminium on state of the art CNC machinery in Texas, USA

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.


Clearance Guide - 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 1" diameter body tube diameter this would mean deducting 12.7mm and 15mm for scopes with a 30mm diameter body tube.

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 - the measure from base of mount to bottom of the ring - the saddle dimension that is stated above.

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. 

Example -

  1. A 30mm tube scope has an outer case measurement of 66mm.
  2. 66 divided by 2 = 33
  3. 30mm scope so deduct 15mm = 18mm
  4. So the mount must have a saddle measure (base of mount to bottom of the ring) greater than 18mm or else it will ground out on the rifle body.
  5. Here we have 24.9mm so will be 6.9mm clearance assuming it to be a standard flat base.

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.

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.

  • MPN:
    BKL374
  • EAN:
    5054492383023
  • Brand:
    BKL
  • Product Code:
    NW1422
  • Weight:
    0.15kg
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