Recknagel Weaver Bases - Heym SR 21 (57080-30220)
The front and back Picatinny/weaver bases are an alternative to a full Picatinny/weaver rail, reducing weight and creating a space between where the rings and bases attach to to the rifle. This allows for large scope mid-sections and allows your scope to sit lower and to get a closer fit to the barrel.
The ideal scope position is as close to the barrel as possible.
Recknagel Krico 600 / 700 / 900 / 902
Hole Spacing: 21.8mm (Radius Base)
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Recknagel Krico 600 / 700 / 900 / 902
Hole Spacing: 12.7mm (Radius Base)
Material: Black Anodised Aluminium
Height of Base - 5mm
Contents Supplied
Black Anodised Base, Screws and Wrench
Please be aware that if you have picatinny (5.23mm) rings, they are too big to fit to weaver (4,57mm) groove spacing. The front and back weaver bases are an alternative to a full picatinny/weaver rail, reducing weight and creating a space between where the rings and bases attach to to the rifle.
This allows for large scope mid-sections and allows your scope to sit lower and to get a closer fit to the barrel. The ideal scope position is as close to the barrel as possible.
Material | Aluminium |
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Color | Black |
BH height | 5 mm |
BH height. | 5mm |
H height. | 0 |
Inclination | 0 MOA |
Base type | Weaver |
Scope / Sight type | Weaver Rail |
Tactical Scope Shipping Policy
Our aim is to ensure that your order arrives with you as soon as possible and in the safest, most cost-effective means.
Shipping charges may be subject to additional surcharges if out of area or over weight restrictions.
DPD SHIPMENTS REQUIRE THE CUSTOMER TO SHOW A PIN CODE ON DELIVERY – READ MORE: HERE
Note: The above DPD link is to our group partner site Optics Warehouse, with whom we share logistics and stock. Link opens in a new window.
Couriers




We use DPD, Royal Mail, TNT, and UPS courier services for all our UK and international orders. Once your order is dispatched, you will receive an email with your unique tracking number.
In-Store Items
These are items we have in stock and aim to dispatch within 1–2 working days. During busy periods, this may be delayed slightly. If you'd prefer to collect your item in person, please contact us in advance to arrange. Collection orders must be paid for beforehand.
Pre-Order Items
Pre-order items are typically out-of-stock or in limited supply. Purchasing a pre-order secures your item, and it will be dispatched within 24 hours of restock where possible. Check the product page for estimated restock dates. These dates may change, so staying in touch is advised.
International Delivery & Taxes
If your shipping address is outside the UK, you may incur import duties or taxes upon arrival in your country. These charges are your responsibility. Customs regulations vary, so please check with your local customs office. Some packages may be opened for inspection.
Need Help?
If you need assistance, call us at +44 (0)1803 611895 (Optics Warehouse) or email order@tacticalscope.co.uk.
DPD Shipments & PIN Code Delivery
We have now introduced DPD Pin Code verification for all orders shipped via DPD. You will receive a PIN via email and text.
A valid email and mobile number must be provided at checkout. Emails will come from Riviera House 3PL. Please check spam/junk folders if not received.
Failure to present your PIN to the delivery driver will result in a failed delivery and rescheduling may be required.