10 steps to upgrade your Remington 870 express to police version

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Posting this because there's a lot of misunderstanding about what really constitutes an 870 Police version, even among people who use such guns professionally, and also in case anyone does want to build one from an ordinary Express as stated.

Those '10 steps' really are part of the original article but I'm not reposting them here because they're fill of links to non sponsor vendors. And just try to buy a police quality extractor in Canada for instance- trying about 5 years back, I found the task defeated me and then I bought a Benelli. Go to the link if you want to do it though, I didn't have it at the time.


10 STEPS TO UPGRADE YOUR REMINGTON 870 EXPRESS TO POLICE VERSION


The Remington 870 is a pump action shotgun model that is one of the best in the world. There are many different versions of the Remington 870 and each version is made for different purposes. The Remington 870 Police version is based off the Remington 870 Express model. The Express was always considered an important shotgun in the sporting, home defense and recreational shooting market. But despite the cosmetic differences of the various Remington 870 shotguns, they all have very similar parts inside of them. The Remington 870 Police uses the same platform as the 870 Express because they are both suitable for the streets and tactical use. However the functionality of the 870 Police version is superior to that of any other Remington 870 version.

Remington 870 Police Magnum

They are made to be superior because they are used by the military, law enforcement, security guards and correction officers. These aren’t jobs where people would use their shotguns just to go hunting with. These jobs require shotguns with the best speed, balance and accuracy. Otherwise the person’s own life could be at risk from the dangerous person they are trying to stop.

Remington 870 Police Magnum

The Remington 870 Police pump shotguns are put through a vigorous inspection of 23 different attributes before they are issued to authorities. These inspections include visual inspections, test firing, functionality testing, pump testing, and more. The 870 Police shotguns are not assembled in the same area of the commercial plant as the other Remington weapons. All police issued weapons are assembled in a special building area of the plant that is secured for factory personnel only. When shotgun parts enter this special building area, they are visually inspected by hand in order to make sure they are good quality and completely functional. These inspections reduce the chances of an assembled gun malfunctioning later on when they are being used by the authorities. Since pump action shotguns have a lot of recoil, the 870 Police shotguns use longer magazine springs to help increase its function and feed ability. Most importantly, these shotguns have no safety system built into them like the some other 870 models. This safety system is a locking mechanism used in some commercial shotguns. So naturally, this feature was taken out of the police issued shotguns because it could delay the officer’s ability to defend themselves against a suspect.

Overall, the 870 Police shotgun is the perfect weapon for any law enforcement official who has to go up against dangerous people on the streets or in the battlefield.

Differences between Remington 870 Express and Remington 870 Police


You are all probably familiar with the standard Remington 870 shotgun. But there are also other versions of the shotgun model including the Remington 870 Express and the Remington 870 Police. The main differences between these two shotguns have to do with the parts that they’re comprised of and how they’re assembled. Remington 870 Police shotguns go through a more thorough quality control inspection before they are released. Aside from a visual inspection, the functionality of the shotguns is tested along with their firing capabilities. Once that is done, they go through one more final inspection before they get approved. The 870 Police shotguns are built in a highly secured area of a weapons plant located in Ilion, New York. This is an area that only creates military and law enforcement shotguns.


In a nutshell, the 870 Police is more reliable than the 870 Express for obvious reasons. Law enforcement officers require a dependable weapon because they are often faced with life or death situations. The 870 Police shotgun utilizes longer magazine spring. It has the heavy carrier dog spring. As well as the heavy sear spring which provides a more reliable trigger pull. The forends of the 870 Police are smaller than the 870 Express. And when you want to add an extension tube to the police version, you won’t have to physically modify the magazine tube of your weapon like with the express version. Most importantly, the 870 Police shotguns have no integrated safety system installed in them like the Express 870 does. This safety system is an extra locking mechanism that is integrated into the safety, which can delay the shooter when firing the weapon. Since the 870 Police shotgun doesn’t have that, then it won’t slow the police down when having to shoot in a critical encounter.

The Remington 870 Police shotguns are not made available to law enforcement and military officers only. You can buy them as any other Remington 870. You can also upgrade your Remington 870 Express with parts from a Remington 870 Police. In fact, it is quite easy to get the Remington 870 Police parts and then install them on your Express shotgun. You can find them for sale at gun shows or at gun shops all across the United States.

Remington 870 Police with Folding stock and Eotech Forend Light

Here is list of differences between Remington 870 Express and Remington 870 Police. Most of the parts which are used on Remington 870 Police are easy to get and install on the Express version of a shotgun.

870 Police shotguns go thru a special 23 station check list – ranging from visual inspection, functional testing, test firing, and final inspection.

All Police shotguns are assembled in a “special build area” at the plant in Ilion, NY. This section is secured and serves only to build LE and Military shotguns, with the same factory personnel working at that assignment each shift.

All parts that enter the “special build area” are visually inspected by hand to ensure top quality and functionality.

Due to heavy recoil in buck and slug loads, all 870 Police guns have a longer magazine spring which ensures positive feed and function.
A heavier sear spring is used to generate a reliable, positive trigger pull between 5 and 8 lbs.

A heavier carrier dog spring is used to ensure when the carrier elevates the shell, it will be held there until the bolt can push it into the chamber. This ensures positive feeding when using heavier payload rounds.

Police shotguns do not have an ISS (Integrated Safety System) which is a locking mechanism on the safety of commercial shotguns. This type of locking mechanism can cause delay to an officer who needs the weapon but does not have the appropriate key. LE shotguns have the standard, proven, cross bolt safety.

The fore-end on the Express model is longer and not compatible with many police shotgun vehicle racks.

The Police shotguns utilize the heavy duty SPEEDFEED Stocks and Fore-ends.

The Express model will not allow for the addition of an extension tube without physical modification to the tube and barrel, which can nullify the warranty.

The Express model has a BEAD BLAST BLUE finish while the Police models utilize either High Luster bluing or Parkerization.

The Express model utilizes a synthetic trigger housing while the Police models use a compressed metal housing.

The Police shotgun barrel is locked down with a “ball detent” system in conjunction with the magazine cap vs. a lesser grade “synthetic magazine spring retainer” lock down as used on the Express system.

The receivers used in Police guns are “vibra honed” to smooth out rough finishes and remove burrs before parkerization or bluing.

Police shotguns use machined ejectors and extractors, as opposed to powdered metal cast which are utilized on the Express models.


https://www.rem870.com/2013/08/13/1...ur-remington-870-express-to-police-version-2/
 
After the first few paragraphs you have to wonder why a company like Remington doesn't care about the reliability of any 870 except the Police version. And I've owned a handful of 870 express and feel the lack of quality subliminally referenced here to be true. One day I'll buy an 870P and see if them taking the time to care about how it's slapped together makes a difference.
 
funny they did not mention the wingmaster ... and other funny things as others have reported here even being LEOs did not us the police version ...

Oh those wingmaster ones are buttery smooth. I like them. Not that I reach for a shotgun anymore
 
Can’t remember the last time I saw a shotty riding beside the copper in a cruiser in Canada. Seen a few in Seattle and San Diego a couple years back. Not in vogue in Canada I guess.
 
Can’t remember the last time I saw a shotty riding beside the copper in a cruiser in Canada. Seen a few in Seattle and San Diego a couple years back. Not in vogue in Canada I guess.

A few years ago, went on a date with an rcmp officer, she said she always took a shotty for her car ... I believe there was a signing in and out process that most of her colleagues didn’t want to bother with. Saw a bunch of pictures of shotguns in pics in the media after the Moncton shooting, but perhaps they got their “carbines” since then? Saw a story where a sword wielding guy got shot with bean bags recently by police ... seems the shotgun is still around, perhaps just used differently.
 
It's been a long time, probably 3 decades, since the Police has been built to more than just a marginally higher standard than the regular production 870s IMO.

Besides the machined extractor and a Parkerized finish, you're not getting much value for the substantial cost premium anymore.
 
Can’t remember the last time I saw a shotty riding beside the copper in a cruiser in Canada. Seen a few in Seattle and San Diego a couple years back. Not in vogue in Canada I guess.

I can't speak for other divisions but in F and K we have the mounts for c8 and 870. Some vehicles have double carbine mounts. One of ours has the double c8 mount and it's basically our 'training' vehicle. That way when a trainer and recruit are together they can each have a c8, better and safer for them. I'm of the belief that more guns is better. If S really hits the fan here your average hunter or person can figure out how to use the 870.
 
i have both and prefer the wingmaster …
some rcmp officers mentioned they were using wingmaster not police for a reason ...

Probably because they were purchased before Police Models (and Express?) existed. 18 and 20” Wingmasters were very much in demand by LE, hence the creation of the Police models. Just a different name for the same gun with the option of a parkerized finish.

I have a LE trade in Wingmaster myself. Looks rough, no doubt due to repeatedly being put in and removed from cruiser racks over the years, but it is the smoothest 870 I own.
 
Can’t remember the last time I saw a shotty riding beside the copper in a cruiser in Canada. Seen a few in Seattle and San Diego a couple years back. Not in vogue in Canada I guess.

Still used sometimes to take out door hinges and/or locks during a dynamic entry I believe, but there have been too many incidents where bad guys were able to outrange officers with rifles for police shotguns to be very popular anymore, I guess. And of course the 'patrol carbine' is a far superior weapon that wasn't available in the olden days.
 
One major limitation of shotguns that's not often considered, is that its actually difficult to find a tactical shotgun trainer that really knows what they're doing, meanwhile there are lots of folks who can competently teach carbine.
 
It's been a long time, probably 3 decades, since the Police has been built to more than just a marginally higher standard than the regular production 870s IMO.

Besides the machined extractor and a Parkerized finish, you're not getting much value for the substantial cost premium anymore.

But what about the “vibra honing” ?
 
It's been a long time, probably 3 decades, since the Police has been built to more than just a marginally higher standard than the regular production 870s IMO.

Besides the machined extractor and a Parkerized finish, you're not getting much value for the substantial cost premium anymore.

I had the information that the 870 Marine Magnum was built to the highest 'Police' standards, and whether true of not that was reflected in the price. Looking at one in a store in about 1995, it did seem to be of superior quality just from the 'feel' of the thing. Then in about 2000 I saw one in another store that had just opened with about $350 knocked off the 1995 price and it did not seem to have the higher quality that I remembered. Was this pure imagination caused by the lower price? Some might think so, but I don't, or didn't.
 
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