Tier One Universal Picatinny Base Mount for the Arken / DNT Zulus
Crafted from a solid billet of aerospace-grade 7075-T6 aluminium alloy, the UBM offers unrivalled rigidity and strength while remaining lightweight at just 138 grams, including its precision QD hardware and mounting screws. This exceptional design ensures a secure and repeatable zero, even under the most demanding conditions. Featuring our innovative smooth cam QD system, the UBM delivers micro-adjustment capability and a seamless locking lever action, making mounting and detachment a breeze. Combined with three integral recoil lugs, this advanced system guarantees exceptional engagement with Picatinny rails, so you can rely on it for consistent accuracy every time.
Perfectly tailored for the DNT / Arken ZULUS thermal optics, the Universal Base Mount is a precise and dependable foundation. Paired with optic-specific rails weighing approximately 110 grams, the complete system comes in at an impressively lightweight total of 248 grams, ensuring you won’t sacrifice mobility for durability. Available in an elegant Black finish, this mount combines functionality with refined aesthetics, ensuring it looks as sharp as it performs.
The Universal Base Mount package includes the robust UBM itself and the corresponding optic rail, giving you everything you need to elevate your shooting experience. Whether you’re in the field or on the range, the Tier One UBM is your trusted companion for precision, durability, and unparalleled performance.
- Material: 7075-T6 aluminium alloy (precision-milled from a solid billet).
- Weight:
- Universal Base Mount (with QD hardware and mounting screws): 138g.
- Optic-specific rails (with mounting screws): 110g.
- Total weight: Approx. 248g.
- Finish: Black.
- Mounting System: Quick-detach (QD) with smooth cam lever action.
- Compatibility: Designed for DNT / Arken ZULUS
- Precision-engineered quick-detach Picatinny mount.
- Compatible with night vision and thermal optics.
- Smooth cam QD system for micro-adjustments and secure locking.
- Three integral recoil lugs for stable rail engagement.
- Ensures reliable return-to-zero accuracy.
- Lightweight and durable aerospace-grade aluminium construction.
- Sleek, professional black finish.
- Designed for effortless mounting and detachment.
- Provides a rigid, stable foundation for optics.
- Combines strength, performance, and ease of use.
- Tier One Universal Base Mount for the Arken / DNT Zulus
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.