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SKU#QDP-3616 Spuhr
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Spuhr ISMS QDP-3616 Ø30mm Tube 6 MIL (34 mm High) Cantilever Quick Detach Picatinny Scope Mount

2 in stock
Price shown excludes VAT. The applicable VAT rate for your delivery country will be calculated and added at checkout.

"Designed for long-range shooters, the Spuhr ISMS QDP 30mm 6 MIL mount adds the critical elevation needed for precision shooting without compromising quick-detach convenience. Solid and repeatable, this mount excels for PRS-style rifles or tactical applications, giving shooters confidence in every shot. It’s a top-tier option when elevation and performance matter most." - Thomas.

 

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images/assets/pdp-refresh/delivery-clock.svg We aim to dispatch in-stock items to our Ireland-based Logistics Warehouse for EU dispatch within 1-3 working days. images/assets/pdp-refresh/UK-retailer.svg Authorised UK Retailer
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Product Information FIND OUT MORE
DESCRIPTION

The Spuhr ISMS (Ideal Scope Mount System) is a high-performance mounting solution engineered for shooters who demand unmatched stability, precision, and modular versatility. Its single-piece, billet-machined aluminium construction provides exceptional rigidity, virtually eliminating flex under recoil and ensuring repeatable zero for long-range, tactical, and competition applications.

The system’s diagonally split rings give unobstructed access to elevation and windage turrets, allowing fast and precise adjustments without interference. An integrated levelling system and alignment wedge ensure the optic is perfectly level during setup, critical for extreme-range accuracy and consistent shot placement.

Multiple interface points along the mount allow secure attachment of a wide range of accessories, from lasers and rangefinders to backup optics and night-vision devices, without affecting rifle balance or ergonomics. Machined from aerospace-grade aluminium and finished with hard-anodised coating, the ISMS offers exceptional durability, corrosion resistance, and mechanical integrity under heavy recoil and field conditions.

With its combination of precision machining, modular functionality, and rock-solid strength, the Spuhr ISMS is designed to elevate any rifle platform, providing a foundation for accurate, repeatable, and adaptable long-range performance.

Ring Height - 38mm

 

SPECS
Spuhr ISMS QDP-3616 30mm High (38mm) Quick Detach 20 MOA Picatinny Mount Specifications

Picatinny mount for use on AR10 rifles

Rings: 30 mm
Tilt: 6 MIL/20.6 MOA
Height: 38 mm/1.5”
Length: 151 mm/5.94” (mount body only)
Weight: 270 g/9.5 oz
Interfaces: 8 sets
EAN: 7340150705046

 

FEATURES
  • Monolithic one‑piece construction - CNC‑machined from a single billet of aerospace‑grade aluminium to eliminate tolerance stacking, flex, and ring misalignment common in multi‑piece mounts.

  • High‑rigidity structural geometry - Optimised cross‑section and material distribution provide exceptional torsional and vertical stiffness, maintaining optic alignment under heavy recoil and dynamic loading.

  • Hard‑anodised surface treatment - Type III hard anodising delivers excellent abrasion resistance, corrosion protection, and a non‑reflective tactical finish.

  • Diagonal ring split design - Improves load distribution around the scope tube while keeping elevation and windage turrets fully accessible, preventing obstruction during adjustment.

  • Integrated scope levelling system - Built‑in bubble level allows the shooter to reference rifle cant and optic alignment directly on the mount for precise long‑range shooting.

  • Multi‑axis accessory interface -  Machined mounting points on multiple faces of the mount support direct attachment of optical and electronic accessories without adding separate rails.

  • Low‑profile accessory mounting - Keeps mounted devices close to the bore axis and centre of mass, preserving rifle balance and minimising parallax and offset errors.

  • Precision‑cut recoil lugs and rail interface - Provides repeatable, slip‑free engagement with Picatinny rails for consistent return‑to‑zero performance.

  • High‑strength fastener system - Torque‑optimised fasteners maintain clamping force under vibration and recoil, preventing optic movement or zero shift.

  • Designed for extreme‑range precision - Engineered to support the mechanical and optical demands of ELR, PRS, and professional long‑range shooting platforms.
FREQUENTLY ASKED QUESTION(S)

How does built-in MOA/MIL affect scope adjustment range in practical use?
The integrated cant shifts the optical axis downward relative to the bore, allowing more upward elevation travel to remain available for long-distance shooting. This helps keep turret adjustments closer to the center of the scope’s mechanical range where tracking tends to be most consistent.

Does the cantilever angle influence return-to-zero performance?
The presence of cant does not affect the mechanical interface between the mount and rail. Return-to-zero consistency depends primarily on rail engagement and lever tension rather than the angle of the mount.

Can the cant create limitations when zeroing at shorter distances?
In some configurations, the angled geometry may require additional downward turret adjustment to achieve a close-range zero. Most modern scopes have sufficient adjustment range to accommodate this without difficulty.

Does MOA/MIL introduce additional stress on the scope tube?
The angled base does not introduce additional mechanical stress because the rings remain coaxially aligned. The scope tube experiences the same clamping forces as it would in a flat mount.

Does cant improve long-range dialing consistency?
Using less extreme turret positions helps maintain consistent internal spring pressure on the erector assembly. This can reduce tracking variation during repeated elevation adjustments.

How does cant interact with zero-stop turret systems?
The zero stop will be positioned further from the mechanical bottom of the scope’s adjustment range. This allows more available elevation travel above the zero stop for long-distance shooting.

Can cant influence scope durability over time?
Operating closer to the center of the adjustment range reduces stress on internal springs and mechanical components. This may contribute to more consistent long-term performance.

Does the QD interface behave differently on a canted mount?
The quick-detach mechanism functions identically to a non-canted version. Lever tension and rail engagement remain the primary factors affecting stability.

Can the mount be used effectively for both mid-range and long-range shooting?
A properly zeroed MOA/MIL mount works normally at intermediate distances. The primary advantage becomes apparent when dialing for extended ranges.

Does cant reduce available downward adjustment?
Some downward adjustment is sacrificed in exchange for increased upward travel. This trade-off is typically acceptable for rifles intended for extended-range use.

Can mount MOA/MIL influence tracking tests or tall-target tests?
Tracking tests remain valid because they measure turret movement relative to the reticle. The mount angle does not change the mechanical relationship between adjustments and reticle movement.

 

DELIVERY & RETURNS
Shipping to Europe

Delivery costs & estimated arrival

Find your country below for the delivery charge and how long your order should take to reach you. All orders ship with FedEx. Estimates are in working days and exclude weekends and public holidays.

Country Up to 2kg 2kg – 30kg Estimated delivery
Order under €350 Order €350 & over Order under €350 Order €350 & over
Austria€11.95€26.95€26.95€26.955-7 working days
Belgium€8.95€14.95€14.95€14.954-6 working days
Bulgaria€11.95€31.95€31.95€31.957-9 working days
Croatia€11.95€31.95€31.95€31.956-8 working days
Cyprus€14.95€89.95€89.95€89.95Contact us
Czechia€10.95€21.95€21.95€21.955-7 working days
Denmark€10.95€21.95€21.95€21.954-6 working days
Estonia€11.95€31.95€31.95€31.956-8 working days
Finland€11.95€26.95€26.95€26.955-7 working days
France€10.95€21.95€21.95€21.954-6 working days
Germany€8.95€14.95€14.95€14.955-7 working days
Greece€11.95€31.95€31.95€31.958-10 working days
Hungary€11.95€31.95€31.95€31.955-7 working days
Ireland€6.95€6.95€8.95€8.952-4 working days
Italy€10.95€21.95€21.95€21.955-7 working days
Latvia€11.95€31.95€31.95€31.956-8 working days
Lithuania€11.95€31.95€31.95€31.956-8 working days
Luxembourg€11.95€31.95€31.95€31.955-7 working days
Malta€14.95€89.95€89.95€89.95Contact us
Monaco€10.95€21.95€21.95€21.954-6 working days
Poland€10.95€21.95€21.95€21.955-7 working days
Romania€11.95€31.95€31.95€31.956-8 working days
Slovakia€11.95€31.95€31.95€31.955-7 working days
Slovenia€11.95€31.95€31.95€31.956-8 working days
Spain€11.95€26.95€26.95€26.955-7 working days
Sweden€11.95€26.95€26.95€26.955-7 working days

Returns & withdrawal

Which option you use depends on why you are sending the item back.

Changed your mind?

You have 14 days from receiving your order to withdraw from your purchase. Use our Withdrawal from Contract form to tell us. It is the quickest way, and we will then email you a free returns label.

If you would rather post the item back yourself to our returns address in Ireland, you pay the postage. Full details are on our Returns page.

Withdrawal from Contract

Faulty, damaged or wrong item?

If your item arrived faulty, damaged or not what you ordered, please follow the steps on our Returns page. We cover the cost of returning these items.

Full details of all our return options are on that page.

Returns page

Delivery prices are shown in euros and confirmed at checkout.

EU PRODUCT SAFETY AND COMPLIANCE

Product safety information is available on request from our customer service team.

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