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Scope mounts for Remington XP-100

About the Company

The company was founded in 1816 when Eliphalet Remington II handcrafted his first rifle in his father’s forge and with the help of a local gunsmith managed to turn it into a simple flintlock rifle for his personal use. Taking second place in a shooting contest, Remington's rifle attracted a great amount of attention and shortly after, first orders started to come in.

The production line was moved to the Erie Canal which is nowadays known as the present location of the Remington factory in Ilion, New York. Early on, the company manufactured around 5000 pieces of M1841 Mississippi rifles to be used in the U.S. army additionally receiving a large government order of 1000 Jenks loading carbines. A few years after establishing its first armoury in 1848, three of the founder's sons joined the company and renamed it, E. Remington & Sons. The following years brought the outbreak of the Civil War in 1861 and at that point the company was supplying the Federal Army and Navy with arms such as pistols, carbines, rifles, and muskets, increasing their production rate significantly. Eliphalet Remington passed away in the same year, leaving the business up to his three sons. The army-oriented production shifted in direction again at the end of the War in 1865 when the company started to fabricate different firearms for civilian hunting and shooting sports. In 1871, the company established its ammunition production under the name Remington Ammunition Works. They were producing centrefire ammunition for pistols, shotguns, and rifles. Two years later, after gaining the trust of inventors Christopher Sholes and Carlos Glidden, the company even managed to produce its first fully functional typewriter in Ilion, New York.

In the following years, the company presented some of its early weapon models such as the first American autoloader (later known as M11), Model 8, and Model 10. At the beginning of World War I, Remington enlarged their facilities, expanding out to four locations, increasing arms and ammunition production rate once again. Signal guns, autoloading pistols such as Model 51, rifles and machine guns were swiftly being produced in great numbers. In addition, they entered a cutlery business during the war period, producing roughly 2.500.000 knives annually by the year 1926. Remington was revolutionizing its products every step of the way. Being the first to introduce the concept of game load ammunition, they took over the shotshell industry by storm. Ammunition production increased again in World War II when the company expanded its production to 7 more locations. Some of the most recognizable weapon models were presented during this period such as Model 03A4 or M1903A3 Springfield which was a renewed and simplified version of 1903 Springfield.

In the years after the war, they released the Model 870 'Wingmaster’ shotgun which became the world’s bestseller at that point, Nylon 66 autoloading .22 rifle, Model 700 bolt-action rifle, Model 1100 and an M24 sniper rifle that was regularly used as a standardized US army sniper rifle until 2010. Meanwhile, they also managed to stay operative in the knife making business. Ten years after building a new ammunition plant in Lonoke, Ark., DuPont purchased the remaining Remington shares and became the majority owner of the company, however, they later sold the assets to RACI Acquisitions in New York. In 2011 they re-focused on the production of handguns, launching the R1 1911 semi-automatic pistol. Another renowned weapon, namely the Model 783 bolt-action rifle was released two years later, in 2013.

Today, Remington is known as the oldest gun manufacturer in America, celebrating a more than 200-year-old history of diligence and quality.

About the Rifle

Remington XP-100

Remington XP-100 is a push feed bolt-action pistol that was manufactured from 1963 until 1998 and was one of the first handguns designed for long-range shooting. It features a steel barrel which was initially offered in 266 mm (10.5-inch) length but was extended on later models. There is a two-position slide-lever safety mechanism placed on the right rear of the receiver and a bolt release knob on the opposite side of the action.

The rifle comes with a factory sealed light-pull trigger that operates smoothly. The steel receiver houses a bolt with two locking lugs that lock up with the front end of the receiver. Remington XP-100 has no buttstock and is a single shot handgun except for the XP-100R variant that features a small box magazine, thus the R mark in the name stands for ‘repeater'. As it was an experimental project of Remington, various modified versions can be found on the market using custom stocks, barrels etc.

Possible barrel lengths for Remington XP-100 are 266 mm (10.5-inch), 368 mm (14.5-inch) and 394 mm (15.5-inch) on some later custom variants.

Remington XP-100, chambered for .223 Rem.

Figure 1: Remington XP-100, chambered for .223 Rem. (Source: https://www.sassquatch.org/wp-content/uploads/2015/10/RemingtonXP-100Mk02.jpg)

Remington XP-100 can be chambered for the following calibres:

  • .221 Fireball

  • .223 Rem.

  • .22-250 Rem.

  • 6mm BR Rem.

  • 7mm BR Rem.

  • 7mm-08 Rem.

  • .250 Savage

  • .308 Win.

  • .35 Rem.

The rifle is available in the following variants*:

  • Remington XP-100 Varmint Special

  • Remington XP-100 Silhouette

  • Remington XP-100 Hunter

  • Remington XP-100 Custom

  • Remington XP-100R

  • Remington XR-100 Rangemaster

*Stock material depends on the variant.

Remington XP-100 receivers come with three holes for mounting purposes, two on the front and one on the rear mounting surface.

The receiver of Remington XP-100, chambered for .221 Fireball

Figure 2: The receiver of Remington XP-100, chambered for .221 Fireball (Source: https://www.proxibid.com/Firearms-Military-Artifacts/Firearms/Remington-XP-100-221-Fireball-Pistol/lotInformation/46279408)

A: 21.9 mm

B: 92.1 mm

C: /

BHU: 2.9 mm

Ø: 6-48

R1: R51

R2: R17

Which Rifles Have Interchangeable Mounts

Two-piece mounts

All the rifles listed in the category below have two-piece mounts interchangeable with Remington XP-100. To meet interchangeability conditions, two-piece mounts must match in all dimensions except the B distance. B distance can vary because two-piece mounts can be installed and adjusted closer or further apart. Rifles that meet such criteria are:

  • Remington Seven

  • Remington 600

  • Remington Mohawk 600

  • Remington 660

  • Remington 673

Although there are numerous two-piece mounting solutions available for Remington XP-100, we do not recommend choosing one as the rear side of the receiver on this rifle only features one mounting hole. For optimal performance and safety, we suggest using one-piece mounts.

One-piece mounts

All the rifles listed in the category below have one-piece mounts interchangeable with Remington XP-100. For one-piece mounts to fit on a rifle, mounting surfaces on these rifles must match in every dimension. Rifles that share the same dimensions and mounting surface with Remington XP-100 are:

  • Remington Seven

  • Remington 600

  • Remington Mohawk 600

  • Remington 660

  • Remington 673

*Should you have any additional information regarding possible mount matches, please contact us. We would gladly accept your help and expand our database accordingly.

Our Recommendations for Mounts

Picatinny Rails

This Picatinny rail made by the American company EGW is a suitable choice for your Remington XP-100 as it will provide a secure and reliable mounting surface to mount your preferred optics on. It is made of high-quality aluminium and comes with a two-year warranty.

Note that this Picatinny has three holes for mounting purposes.

Help Us Build Our Riflescope Mounts Database

If you happen to own this or any other rifle, we would appreciate it if you could help us expand our database by sending us some photos of the rifle receiver (the bare mounting surface of the rifle without the mounts installed). For your help, our company offers a fair return in terms of practical rewards.

Please send us an email for more information. You can contact us here: [email protected]

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