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How Krieghoff Semprio Changed Through Time

Semprio In-Line Repeater

When Krieghoff presented Semprio in 2007, it most certainly broke new ground with its ‘inline repeating’ mechanism. Admittedly, this innovative system, somewhat inspired by a traditional pump motion, may seem familiarat the first glance. However, Krieghoff Semprio is, in all respects, different and unique. Contrary to the most pump action rifles, the whole fore-end must be moved forward and then pulled back to reload, making it significantly faster than its competitors.

What is more, the Krieghoff Semprio rifle’s mounting surface was modified in 2013 and remained the same up until today. However, this sudden change in the mounting surface could confuse some customers or worse, prevent them from choosing a suitable mounting solution for their Krieghoff Semprio. This article aims to explain the differences in the mounting surface between the two generations of Semprio – the one produced from 2007-2013 and the one manufactured from 2013 onward.

The First Generation of Krieghoff Semprio Rifle (Before 2013)

The first generation of Semprio was introduced in 2007 and manufactured until 2013. Apart from the mounting surface change, the rifle remained the same throughout its production. Krieghoff Semprio can be easily taken apart without the use of any tools due to the modular design. Being compatible with a variety of barrels and bolts allows it to be converted to different calibers quickly.

The rifle comes with a detachable magazine holding up to four standard and three magnum cartridges and a manual cocking mechanism positioned at the action tang. Furthermore, by pushing the knob on the right side of the receiver, the rifle can be separated into two halves, making it easy and convenient to carry around.

Krieghoff Semprio manufactured before 2013, chambered for .338 Win. Mag.
Figure 1: Krieghoff Semprio manufactured before 2013, chambered for .338 Win. Mag. (Source: https://www.scisilentauctions.com/Krieghoff-Semprio-338-Win-Mag_i32276158)

You can read more about Krieghoff Semprio rifle on our landing page which is available here:

Krieghoff Semprio Mounting Surface (First Generation)

Until 2013, Krieghoff Semprio rifle featured a tip-off mounting surface combined with two recoil notches and four holes for mounting purposes; making it possible to install the scope mounts either by using the holes or the four grooves on the sides of the receiver. Consequently, there is a wide array of suitable scope mounts on the market for Semprio rifles produced before 2013. There is no height difference between the front and the rear mounting surface.

The receiver of Krieghoff Semprio manufactured before 2013, chambered for .300 Win. Mag.
The receiver of Krieghoff Semprio manufactured before 2013, chambered for .300 Win. Mag. (Source: https://www.proxibid.com/Firearms-Military-Artifacts/Firearms/Krieghoff-Semprio-pump-action-rifle/lotInformation/51522686)
The mounting surface of Krieghoff Semprio manufactured before 2013
The mounting surface of Krieghoff Semprio manufactured before 2013

These are the distances between the holes that are drilled and tapped into the Semprio receiver:

A: 22 mm

B: 80.3 mm

C: 22 mm

BHU: 0 mm

Ø: M3.5

R1: R16

R2: R16

The Second Generation of Rifle Krieghoff Semprio (After 2013)

In 2013, Krieghoff presented a renewed version of Semprio. It was offered in either standard or thumb hole stock configurations, different stock materials and finishes. Structurally, the company decided to keep it the same as its predecessor – the takedown option and other components such as the magazine and manual cocking mechanism remained unchanged. Whereas the old versions were available in barrel lengths of 550 mm (21.7-inch) and 635mm (25-inch), the models from 2013 onward were available in 500 mm (19.7-inch), 550 mm (21.7-inch) and 630mm (24.8-inch) barrels. 

However, the mounting surface has been altered, as the holes were revoked on all the rifles produced from 2013 onward. Therefore, the newer versions of Krieghoff Semprio only come with tip-off grooves and two recoil notches.

Krieghoff Semprio with camouflage finish thumb hole stock, Blaze Orange finish, chambered for .30-06 Spr.
Krieghoff Semprio with camouflage finish thumb hole stock, Blaze Orange finish, chambered for .30-06 Spr. (Source: https://www.facebook.com/240022309861837/posts/krieghoff-semprio-in-30-06-and-a-titanium-hd-riflescope-from-delta-optical-hunti/554420505088681/)

You can read more about the second-generation Semprio here:

Krieghoff Semprio Mounting Surface (Second Generation)

From 2013 onward, the Krieghoff Semprio used a different mounting surface. The receiver no longer came with four holes for mounting purposes.

However, the tip-off mounting surface with two recoil notches on each side of the receiver remains unchanged until the present day, making the tip-off scope mounts interchangeable between the two generations of Semprio. There is no height difference between the front and the rear mounting surface.

The receiver of Krieghoff Semprio, manufactured after 2013, chambered for .308 Win.
The receiver of Krieghoff Semprio, manufactured after 2013, chambered for .308 Win.
The mounting surface of Krieghoff Semprio (Second Generation)
The mounting surface of Krieghoff Semprio (Second Generation)

Which Mounts are Interchangeable Between the Two Generations of Semprio?

The change in the mounting surface does not necessarily mean that certain scope mounts cannot be fitted on both generations of the Krieghoff Semprio rifle. When looking for a suitable mounting solution for Krieghoff Semprio, one should pay attention to the type of mounting surface used on the rifle. In summary:

  • Scope mounts featuring bases with holes are only suitable for Semprio manufactured before 2013
  • Scope mounts with a tip-off bridge can be mounted on both generations of the rifle – Semprio produced before 2013 and Semprio produced after 2013.
Summary
How Krieghoff Semprio Changed Through Time
Article Name
How Krieghoff Semprio Changed Through Time
Description
This article describes the differences in the mounting surface between the two generations of Semprio – the one produced from 2007-2013 and the one manufactured from 2013 onward.
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Optics Trade Blog
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