Trigger Pin Detent Springs - Remington 870 Tips & Tricks #4

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Remington 870 Tips & Tricks #4: Trigger Pin Detent Springs:
The Remington 870's trigger plate assembly is attached to the receiver by means of two trigger plate pins. Holding these pins in place are two clips called trigger plate pin detent springs.
In this video, I'll go over three easy things you can do with these detent springs: moving the front spring over to the same side as the rear spring for simplified takedown & assembly, adding a second front detent spring for more secure retention, and removing all detent springs to simplify installation of receiver-mount accessories.
It's a brief video, but the subject isn't all that involved. This length also helps me avoid some of the software issues I've been dealing with, and as I'm still struggling with retrieving video #3 from the POS flash drive that swallowed it, I wanted to cover a subject I could knock out in a weekend.
I recommend watching this video with the annotations turned on. I'll be adding various notes to provide further details or to answer questions you might have. I've tried to keep them unobtrusive; no giant flags blocking the video, no begging for subscriptions or likes.
If you have any questions about this video, please ask in the comments below. Like many things in life, guns can be dangerous if used improperly, so make sure you understand what you're doing before you work on yours. If you're uncomfortable trying anything you see here yourself; please get assistance.
This continues my series of how-to videos with the Remington 870 shotgun. There are several other topics I have planned for future videos, but it's a fluid list. I'd love to hear any suggestions you might have for video topics. If it's something that has already been covered, I may point you elsewhere, but if it's an interesting and feasible idea, I'll add it to the list.
I'd also appreciate any comments on the format of this series; things you liked, things you didn't like, things you'd like to see done differently, etc. I'm still playing around with styles, formats, and programs; figuring out what works, what works well, and what doesn't work at all, so any input would help me out.
PROGRAMS USED:
AVS Video Editor 6.3
RealPlayer Trimmer
Microsoft PowerPoint
Adobe Reader 9
Windows Paint
Google Chrome
DISCLAIMERS:
The procedures and information presented in this video should not be taken as professional or official instruction. Any information given here is correct to the best of my knowledge at the time of posting, but may be subject to change. All actions shown were performed by a properly-equipped and knowledgeable individual, and were carried out in accordance with applicable laws and regulations in a safe manner and environment. The viewer assumes sole responsibility for any actions taken after watching this video.
The Remington model 870 shotgun, and all official art, products, and images are registered trademarks of Remington Arms Company, Inc. I make no claim to those assets, and use them herein for educational and informative purposes only.

Опубликовано:

2 окт 2024

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Комментарии : 62

@s.s.6812 6 лет назад

Good info, but I have a question. I recently installed a claw mount on my 870 in order to mount a scope. When I took the mount off and put in the factory trigger pins it didn't lock down as it did before and now I can easily slide the pins a with my fingers. Would you suggest replacing the detent springs or is it possible to just bend them with pliers in order to regain their tension?

@SynchronizorVideos 6 лет назад

You may be able to bend them back, but I'd expect that would fatigue the metal and make it more likely that they'll flat-out break at some point in the future. It's probably okay as a temporary field repair, but I've always just replaced the detent springs when they get worn-out and don't hold the pins as well as I'd like. I'd rather pay $5 than risk having bits of broken wire bouncing around in my trigger mechanism.

@OutdoorsOshkosh 10 лет назад

Great little video. Thank you very much for putting this together and for sharing.

@TheALPHA1550 10 лет назад

Thank you so much! I always thought that I was missing the left detent spring near the front because I inherited my shotgun from my grandfather (Remington 870 Wingmaster) in excellent condition. I've used it once last month and when I disassembled my shotgun, I noticed I didn't have a left detent spring in the front and I feared that I would have to buy one online. So thanks again :)

@goofyfish 11 лет назад

Excellent tips, thanks for your time!

@guidosalas7089 11 лет назад

The Trigger plate on this 1979 is cast aluminum and it appears to have a powder coating paint system not blueing. No one on youtube has done a complete disassembly of the trigger group. You know what your doing you should do one.

@guidosalas7089 11 лет назад

Great video, Request: can you please show the removal of the Hammer assembly; I would like to know how the removal of the Action Bar Lock Spring is done in the disassembly process. Question: What is the factory finish of the Trigger Plate?

@T44m45 3 года назад

I have watched most of your videos and i really enjoy them. Thank you for being a positive influence on the shooting community, and for helping me figure out how to deep clean my pretty gunky 870.

@billhman 6 лет назад

wow . excellent RU-vid. very good. Just what I needed.

@wadeleach9476 4 года назад

I was given a brand new Wingmaster Express 870 by family and upgraded the non-mim extractor, S&J jumbo safety switch, and carriage spring in the trigger assembly among other upgrades to the rest of the rifle. I bought Fiocchi dummy shells to make sure every thing functions properly before the range, and 2 shells drop occasionally. I'm wondering if I have damaged the Shell retention in the reassembly. Can these pins and springs affect the Shell retention?

@SynchronizorVideos 4 года назад

Were you having that issue before you modified the gun?

@ulflyng 8 лет назад

I have followed your vids w great expectation every time you post. If you had been teacher in my shool many would have done better ;) I very much love your thorough nonsense way of explaining your subject. But i would v much like a "Synchronizor-explanation" to the trigger group. Disasampling/re-assembling. Thx in advance and keep 'em coming

@SynchronizorVideos 8 лет назад

+ulf lyng Thanks for the compliment. I plan to produce a video on taking apart & re-assembling the 870's trigger plate assembly, but there are some differences in 870 TPAs that I want to make sure I understand before-hand, and a couple things in the TPA need gunsmith tools to take apart. When I do get to that video, I want to make sure I do it right.

@kolmichelson 6 лет назад

thanks man that was great. i learned a lot.

@sonnygunz9207 6 лет назад

Great tips.

@moodymir 3 года назад

Very precise and great instructional video. Thank you. I have a question. I ordered this rail mount for my 870 Express (see link below). The unit came with three torx screws, one to replace the back pin and two different diameter sizes for front pin. However both forward pin replacements are thicker than the hole. One is just slightly thicker, enough where it just sits in the hole-head would not go in unless I hammer it. But hammering would damage the thread and definitely the gun body as well. I'm ready to return the item, but I really would like to see if there is an alternate solution. The rail I ordered www.amazon.com/UTG-870-Optic-Mount-Gauge/dp/B07ZZYH98P/ref=sr_1_1?dchild=1&keywords=UTG+870+mount

@SynchronizorVideos 3 года назад

Looking at the reviews, it seems an oversized front screw is a common problem. You could try going to a fastener shop and seeing if they can measure the thread and get you a different fastener that would fit better.

@moodymir 3 года назад

@@SynchronizorVideos Thanks. I ordered a slightly different model from different seller. I will see if that has the right screw. If not then I'll try the hardware store option. Thanks again for taking the time to reply back, and for a very informational video.

@moodymir 3 года назад

Update: UTG MNT-RM870A fit just right. The one I had issues with was UTG MT-RM870. The difference is just 1mm extra in threaded part of the screw. The stem was 18mm, whereas the threaded portion was 19mm and would not go in the forward hole. I also took your advice and removed the detent pin from the forward pin, that allows the screw to fit in through the assembly without turning. Note for newbies like me, if you decide to remove the detent pin, putting the trigger assembly back can be challenging, perhaps it was just me :-) .

@SynchronizorVideos 3 года назад

@@moodymir Good to know. Removing the detent springs shouldn't make it any more difficult to re-insert the trigger plate assembly in the receiver. The only reason I can think of for that is if you pulled the trigger plate pin bushing or carrier pivot tube out of alignment when you removed the detent springs. As long as both are centered when you go to insert the trigger plate assembly in the receiver, it should go in just as easily as before.

@guidosalas7089 11 лет назад

I have a 1979' 870 that I am restoring. The receiver assembly was very pitted due to salt water exposure. I had to disassemble every piece of the gun to remove rust, so far its going ok. I have some more work on the receiver to solve the pitting issue. The trigger assembly is all clean except the hammer plunger, this is why I am trying to remove the hammer pin and pin washer. I tried and it appears it is a rivet of some kind, the washer broke off. I am not certain how to remove the pin at time.

@guidosalas7089 11 лет назад

Update to my previous coments regarding the hammer pin. The reason given by Robert (Bob) Dunlop in a AGI video is that you will more than certain will crack the trigger housing. In the case of my 870 is cast aluminum so I cam close to trashing it.

@guidosalas7089 11 лет назад

Like I mentioned I did not fine anyone who mentioned not to mess with the hammer pin and other components. I look forward to seeing the video. Thanks

@guidosalas7089 11 лет назад

Great advise, I will J-B Well the rivet washer I broke off, it should just fine the rivet did not move out of place. Thanks

@rickhoward1516 7 лет назад

I have a brand new tristar 20 gauge semi I baught for my son. It was double cycling and a live shell was getting stuck under the carrier. I had to remove the trigger assembly to remove jam. Well the detent clip/spring didnt let the pin go threw and with just a small love tap it busted a small section of the tube. Can I put retent spring on other side and put it back together and use it safely? A small section is all that broke, the size of a 2 pieces of rice maybe, pin will still go into tube and hold things together.

@SynchronizorVideos 7 лет назад

I'm not very familiar with the internals of those Tristar shotguns, but if their trigger groups function like an 870's, I would recommend replacing that bushing. In an 870, those don't just hold the pins & detent springs, they also act as pivot points & retainers for other critical mechanical parts. If it's just chipped, it's probably okay to use the gun with it for now, but you should probably order a replacement and get it installed at some point in the near future.

@devinvenables226 11 лет назад

I can't believe you did a video on the detent clips!Just last month I removed my mesa side saddle because it occurred to me that the bolts would permanently stress the detent clips.In Canada these parts can be hard to find!I never would have thought to remove and store them.Thanx for the tip!for more no nonsense 870 tips,check out AIP tactical!

@JohnDavis-jh6lu 2 года назад

Are the trigger assembly springs interchangeable on the 20guage ?

@stalker_86 Год назад

hello, can i install 2 springs on the back pin so it doesn't move?

@PENGUN25 3 года назад

Hello, I'm having an issue with rear trigger pin, I'm ending up using a hammer but the pin won't come out. Any suggestions? I'm working with a marine 870

@SynchronizorVideos 2 года назад

A hammer should be enough to tap that pin out. Not sure what could cause it to stick that hard.

@adamlopez8156 3 года назад

I need some detent slings and a front trigger plate pin for a 870 20 ga LW magnum how will I be able to contact them

@SynchronizorVideos 3 года назад

If you're in the U.S., you should be able to contact Remington's parts department at 1-800-243-9700.

@andrearamallo5586 9 лет назад

Hello. Is that normal that the trigger has a little wobble ?

@SynchronizorVideos 9 лет назад

Andrea Ramallo Are you talking about the trigger plate assembly? If so, it depends on the individual gun; some have looser TPAs than others. It's a consequence of the fact that the 870 was designed specifically for mass-production and full parts interchangeability without any hand-fitting. Don't worry though, the 870's designers accounted for this, and the elements in the trigger plate that interact with the rest of the action - the hammer, carrier dog, & action bar lock - are still able to do their job even if the trigger plate moves around a little in the receiver.

@mumblinge5892 9 лет назад

I have in my possession an approximately 35 year old 870 Wingmaster which has never been fired or oiled. The gun has lived in an Allen fleece lined soft case and for most of those years in a dry climate. At first glance the weapon seems to be in perfect condition but when I sprayed it with CLP and wiped it with a clean, white rag I see a bit of orange color on the rag. I've torn it down and am looking at the trigger assembly. The first thing I noticed is that the surface of the hammer in the vicinity of the rivet is pitted like someone was trying to scribe something on the surface and had the shakes. No sign of rusting but dimples in the surface. Is this an indication that something more serious is going on down in the guts of the trigger assembly? Also, the rear dent spring on my trigger assembly is not out where it can easily be gotten at where as it is in your video. It looks like it would be a bit of a problem getting that dent spring either out or in. Lastly, many thanks for the videos.

@mumblinge5892 9 лет назад

Ezzz Mez I forgot to mention that it's a magnum.

@mumblinge5892 9 лет назад

Ezzz Mez I just realized that what I was calling the hammer is apparently the carrier dog. Argggg

@StateOfChaos 5 лет назад

Video helped me big time. Thank you

@KRRabbit1 10 лет назад

Hello SycnhronizorVideos, I just picked up a Remington 870 Express compact in .410. I was looking for a .410 870, but I did not want to pay the Wingmaster price. The compact was available locally, I like the gun, but I did have to order the full length stock. The compact was designed for kids or short adults, the stock was to short for me. I was pleased when I opened the box, the fit and finish looked good to me. I ran a patch through the barrel and assembled the shotgun, beautiful! I decided to break the gun down to familiarize myself with the process, it is detailed in the instruction manual that came with the gun. The only problem I had was the removal of the trigger group. On my gun, the trigger pin was pushed beyond the side of the trigger plate, it was dragging on the inside of the receiver. The receiver is made of aluminum, so I did not want to get heavy handed with plastic hammers or such. It took awhile but I finally got the trigger group out, and I was able to push the trigger pin back flush with the trigger plate. Now, after pushing out the cross pins, I can pull the trigger group like you show in your video. I have really enjoyed watching your videos, I plan on ordering a detent spring just like you recommend. Keep up the good work, maybe a video that shows how to disassemble the trigger group.

@SynchronizorVideos 10 лет назад

Glad you got it figured out. Not sure what you meant by aluminum though, the 870's receiver is all steel.

@KRRabbit1 10 лет назад

***** Yes, you are right! I thought the receiver was alluminum, no, the magnet sticks right to it. I did order the magazine follower and the trigger plate pin detent spring like you recommended. I also switched the detent spring on the front cross pin to the left side. I did get my stock from the Remington Country store, it came without the butt plate insert. I called Remington and they are going to send me the butt plate insert with the other parts I ordered. I hope to shoot this gun this weekend, .410 is light but hopefully we can do some damage against the clay birds.

@SynchronizorVideos 10 лет назад

KRRabbit1 Clay shooting with a .410 is challenging, but I've been told it's a lot of fun if you know what you're doing.

@garythornbury9793 7 лет назад

i have an 870express tactical and want to upgrade it to a police grade, please recommend what springs to use, i have replaced the ejector with a steel ejector. thank you.

@SynchronizorVideos 7 лет назад

Springs that are different between the Police & Express would be the carrier dog follower spring, the sear spring, and the magazine spring - though the latter two depend on the exact models/configurations you're comparing. I'll note that none of the Police springs are _better_ than the civilian versions, they just tweak the gun's characteristics in ways that _tend to be_ well-suited for LE/military applications. The carrier dog follower spring in the Police models is stiffer than the standard-weight spring used in other 870s, as well as the 870's semi-auto siblings like the 1100 and 11-87. The carrier dog follower spring used in Police 870s is actually a repurposed carrier latch spring from the 1100, and its extra stiffness makes it harder for junk to get past the carrier and into the bottom of the receiver, and helps maintain proper function if the spring isn't replaced when it should be. It also means more force is required to push the carrier up when loading, and increases internal friction, making the action stiffer to cycle. I tried it in my 870, didn't like it, and switched back to the standard-weight spring, which works perfectly reliably. But some folks like knowing that they have the same part Police guns use. If that's you, go for it, but make sure you practice your reloads, and remember that any carrier dog follower spring will weaken & cause malfunctions if it's not replaced when appropriate. The sear spring in a Police gun is stiffer than the sear springs used in most civilian models. This doesn't make it tougher or more reliable, it just means the trigger pull is heavier. For a fighting shotgun, this can help prevent unintended discharges when things get stressful. It's less than ideal for hunting or sporting though; and if you think you might need to use slugs at longer ranges for defensive purposes, I would suggest a mid-weight sear spring instead. Now, the magazine spring. First off, if your Express has a magazine extension, it already has a Police magazine spring. If it's a standard 4+1 model though, it has a shorter mag spring than what you get in a 4+1-configured Police 870. The longer Police mag spring is again to help keep it operating if the mag tube gets really dirty, or the spring's not replaced on schedule. This doesn't apply to most civilian applications, even home defense. I actually recommend against overly-stiff mag springs in HD 870s; if you keep the magazine loaded long-term (as is common with HD guns), the extra pressure can deform shells and cause the gun to jam when you go to use it, and if you need to reload under stress, a standard mag spring is more forgiving. TL:DR - don't assume the Police versions of parts are better, because they're not, they're just different. Think about your specific situation, and what you need out of your shotgun before you start buying parts & changing things.

@MD-mm1zv 4 года назад

Gary Thornbury So, a six plus one 870 Home Defense has the police feed tube spring? I just bought a kit with an aluminum follower. Also, how much harder is it really to load and rack with the police carrier dog spring? I've also ordered the non-MIM extractor. This a good idea? How about that Timney trigger fix? Recommendations on which spring to install? Thanks

@RickJamesBitchhh 8 лет назад

What do I do if the back pin is stuck. It's a brand new 870 Marina Magnum that has never been shoot. I've tried pushing the pin out from both sides with no luck. The front comes out just fine. Thanks in advance!

@SynchronizorVideos 8 лет назад

+Hooman Babaei I've heard of folks having trouble with the pins on new Marine Magnums. Seems the nickel plating on the receiver & pins can add up to enough extra thickness to make things pretty tight. If the pin fits too tightly to press out by hand, try tapping the punch or pusher tool with the heel of your hand or a small non-marring hammer. See this video for a demonstration: ru-vid.com/video/%D0%B2%D0%B8%D0%B4%D0%B5%D0%BE-vceDJd7KrMw.html

@RickJamesBitchhh 8 лет назад

+SynchronizorVideos I had to tap the pin out but it took a lot of force. Thanks for the help!

@SynchronizorVideos 8 лет назад

Hooman Babaei It should loosen up some with use.

@RickJamesBitchhh 8 лет назад

+SynchronizorVideos Thanks! I replaced with the Mesa QD pin. It works a lot better.

@ItsMeJbird 8 лет назад

My trigger group was stuck, I got it out but is real tight "and of course the pins are out", you have to pry it out. Is there something I can do to the sides of the group, sand or polish? It does not slide in or out like all the ones I've seen on RU-vid. Thanks for the help.

@SynchronizorVideos 8 лет назад

+Bandit What 870 model do you have?

@ItsMeJbird 8 лет назад

+SynchronizorVideos a 870, I took a die grinder with 120 grit and sanded both sides of the trigger group, finished up with some 220 sand paper. It slides in and out of the receiver perfect now! Don't know why it was like that, was like the receiver of trigger group was swollen? Thanks for getting back! Take care..

@ItsMeJbird 8 лет назад

+SynchronizorVideos by the way it looks great installed, you can see the aluminum just a bit along the sides where the black paint was removed, wish I could post a picture. .

@ItsMeJbird 8 лет назад

+SynchronizorVideos sorry I miss read you first question, is a around 1990 year model Express 870

@SynchronizorVideos 8 лет назад

+Bandit Makes sense, those older-style trigger plates were made from compressed aluminum powder, and tolerances can be tough to control with that type of process. Sounds like you got one that came out a little wider than it should be. Ruger used to use similar compressed aluminum trigger housings in the 10/22, but shifted to polymer for improved consistency (plus, the polymer was actually tougher then the brittle compressed aluminum). Newer Expresses have polymer trigger plates, and I've yet to hear about any such problems with them.

@sabersaurus7018 9 месяцев назад

Good to know that you dont really need the detent springs if you are using custom pins to mount things. I recently bought an 870 tactical and it came with a black aces quad rail, those pins are really weird.