Top quality, made in the USA mount rings for airgun and rimfire rifles.
The BKL 274 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.
Medium/High profile 2 piece mount rings for 25mm / 1 inch tube scopes for fitting on 3/8" and 11mm airgun and rimfire dovetail base rails.
Height - 0.774" - 19.6mm base to bottom of ring equates to maximum scope outer objective casing diameter of 62mm - 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 40-50mm lenses though in some circumstances they are useful for bigger or smaller scopes - but unless you KNOW you have a special application such as a need to clear an iron sight (need higher) or have a raised base (need lower) then the general sizing guide is probably correct. As always, if unsure ask us.
Specification
- Scope Tube Diameter: 1"
- Mount Rail: 3/8" or 9-11mm
- Mount Type: Two Piece
- Mount Height: Medium
- Finish: Matt Black
- Fit 3/8" or 11mm Rail
- High performance aluminium
- Patented clamping system
Technical Specs:
- Offset / Reach forward and drop compensation: D7 = 0.007"
- Off Set: 1.35" / 34mm
- Base and Ring Clamp Width: 0.60" / 15mm
- Bottom of Mount to bottom of Scope Tube: 0.774" / 19.6mm
- Weight: 5.5 oz /154oz
- Model 257 (standard mount ring) Overall Length: 0.60" /15mm
- Model 274 (offset mount ring) Overall length: 2" (50.8mm)
This item sold as a set of 2 mounts - 1x standard BKL257 and 1x BKL 274 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.
BKL customer user reviews for BKL274 mounts
Reviewer: from Dawsonville, GA United States
Needed to position a Simmons 3-9x32 22 Mag scope 2" foward on a Winchester model 9422 Mag XTR leaver action to get the needed 3" eye relief. After weeks of looking found the BLK 274 Offset rings that worked perfect. Great fit for a great combination.
Reviewer: ffrom PA, United States
Purchase these for my Mossberg 640k Chuckster and they are perfect! You guys do a Super job!
Reviewer: from olympia, WA United States
These rings were a relatively inexpensive, straightforward answer to how to mount a scope on my Walther LGM-1 SSP air rifle. The loading gate lever is so long that it wouldn't clear the turrets when the rifle cocked. I was either going to have to engineer a new lever or mount the scope almost 2" high because a short dovetail precluded separating the mounts any further apart to create clearance. By using cantilevered mount, I was able to keep the scope close to the bore center and get the separation necessary to allow the lever to rotate fully without hitting the scope.
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.
Shipping & Delivery Info
About Us - See link top of page
Payment methods & Terms of sale - See link top of page
Problems - Returns - Warranty - See link top of page
Shipping is same day for orders paid by 10am UK time. After 10am we aim to dispatch until midday but may not manage all the time. If your order is urgent contact us and we will try our best to get it out. Shipping days are Monday to Friday. We do not ship at weekends.
Please be sure to provide a safe and trusted delivery address where someone is likely to be in to take postal deliveries. Items returned as not possible to deliver or not called for can be resent but postage will be charged again or, if refund made, will not include postage paid.
UK buyers - Once an order has been signed for on a Royal Mail service it is nearly impossible to claim non delivery so please make sure your address is correct and accessible
UK Shipping
Royal Mail 2nd Standard or 2nd class Signed For
- Royal Mails service TARGET is 2-3 days from date of dispatch.
- 2nd standard is the cheapest option but if the item is lost in transit it cannot be sent again or refunded.
- 2nd class Signed For items that do not arrive can be resent after 15 working days.
- 2nd Standard and Signed For CANNOT be location tracked while in transit. Only Special Delivery can be tracked.
- With 2nd signed for a signature is taken upon delivery or record of failed attempted delivery is shown online allowing you to rearrange or collect from local depot.
Choose Royal Mail Delivery if you need it 100% fast or in transit tracking is important.
Royal Mail Special Delivery - Does NOT deliver on Saturdays.
Insured, tracked next day service - before 1pm Monday-Friday delivery most of UK mainland. By 5.30 highlands and most islands and 2-3 day more remote or slow post islands - See http://www.royalmail.com/personal/uk-delivery/special-delivery#faq-19350056-19350051 for delivery targets. Saturday delivery can be arranged for orders placed after midday Thursday but costs extra. Please contact us for details.
International Shipping methods and Delivery Times - select option when you checkout
If you need it fast or prefer a door to door tracked courier (Fedex, TNT etc) please request a price quote.
Otherwise standard delivery is by the Royal Mail options below which have no no delivery time guarantees - times quoted are targets.
Option 1 - Airmail Small packets - Cheaper but it is SLOWER and is NOT Tracked or insured airmail - CANNOT be sent again or refund given if does not arrive.
- We offer this as we have been asked for it many times but we do not recommend it as best option.
- ONLY choose this if you trust your local postal service and you are accept that there is a risk of it not being covered in the case of non-delivery.
- Uninsured airmail cannot be resent or a refund given if it does not arrive.
- When you choose this option you agree to this condition.
Option 2 - Best non courier option - Royal Mail Signed For Airmail - This is insured airmail. Best and most safe but costs more:
- Royal Mail Signed for Airmail - On arrival in your country it is passed to your national postal service for final delivery to you or your local collection point.
- This service tracked at least until it enters your country. At this point not all countries integrate with Royal Mail tracking codes so it may not be possible to location track once it arrives in your area.
- A signature taken upon delivery or record of failed attempted delivery is shown online allowing you to rearrange or collect from local depot.
- Signed for items that do not arrive can be resent or refunded after 1 month.
Please note that it is your responsibility to ensure you are allowed to import this type of product. Products returned for reason of them not being allowed for import will not have postage refunded. Products lost for this reason will not be refunded as postal insurance refuses to cover non delivery for reason of import law restrictions. If in doubt, call your national customs service.
Please give us an address where someone is likely to be in to take postal deliveries. Items returned as not possible to deliver or not called for can be resent but postage will be charged again or, if refund made, will not include postage paid.
Delivery time ESTIMATES for Airmail :
- 3-10 days Europe and 7-10 days rest of world
- Airmail Small Packets may take longer than this.
- NOTE - These are postal service company targets They are NOT delivery guarantees.
- They are for main towns and cities. Rural areas, islands etc take longer.
- If you need it fast or prefer a tracked door to door courier (Fedex, DPD, TNT etc) please request a price quote.
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