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Differences between Remington 870 Express and Remington 870 Police

21 June 20114 comments Advice, General, Police

Differences between Remington 870 Express and Remington 870 Police

I’ve just found 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.

Read also: 10 Steps to Upgrade Your Remington 870 Express to Police Version


Best Upgrades for Remington 870

Best Upgrades for Remington 870

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Remington 870 Drilling and Tapping How to Change Remington 870 Forend Remington 870 Drilling and Tapping
Remington 870 Drilling and Tapping Remington 870 Ejector Spring Replacement Remington 870 Drilling and Tapping
How to Change Remington 870 Extractor How to Polish Remington 870 Chamber How to Change Remington 870 Safety

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  1. David September 26, 2011

    You say: “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.”

    I have an 870 Express and I added the Remington 7-shot Extension tube after reading your article from a while back about removing dimples. My 870 did not have the dimples and I added the extension, spring, S&J follower and 7 rounds.

  2. David September 26, 2011

    And now I think I am remembering that older 870 Express shotguns do not have those dimples and the one I added to was an old one…

    By the way, thanks for this article, now I know a little more to make mine a little more Police quality.

  3. Vitaly Pedchenko September 29, 2011

    Hi David,

    Yes, older Remington 870 Express shotguns don’t have dimples. Newer shotguns have dimples which have to be removed before installing magazine extension.


  4. bob November 9, 2011

    the earliest Express 870s from mid-late 80’s were a Wingmaster in every way but finish, i had one and it was a fine gun, equal to anything. The new Express line is much cheaper, not only in MIM components and plastic trigger group housing, but also in tolerances, as well as often lacking in chamber and bore finish and dimensions…you might be able to polish out tooling marks, or you might not, and you might already have something oversized or make it so…difficulty in extraction in a serious worry with rough chambers, as is corrosion since the tooling marks are difficult to get clean aside from a powered rotary brush cleaning…this list is old, Remington seems to have dropped it from their site, whether because the newest 870Ps don’t have all those features, or maybe because they have since pushed their 870 Express TAC line as a poorman’s 870P and didn’t like making it look bad, even though most buyers go for form over function.


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