I purchased a used MP15 today with serial number starting with TL. Does anyone know what model I might have?, barrell is also 1/9. Very excited to start my journey with my first S&W! Thank you.

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Picture would help. Everybody needs at least one AR . . .

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Thanks Muss. I reposted and added a pic.

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So it looks like I've got a 2019-manufactured M&P 15 Sport II with crimson trace. Going to clean her and hopefully get to the range soon. Anyone have any first timer advice with these?

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Take a lot of ammo as they are fun to shoot and eat up rounds fast. If you take it apart and clean it you will know how to break it down so you should be able to solve any problems easy enough. I would be surprised if you have any problems though they are pretty dependable.

That's what I was going to say!

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Yes they do Professor, I'm looking at 300 HAM'R by Wilson combat, 6.5 Grendel, or 6.8 SPC for a small frame build..

I love that Muss said that! In the overall world of firearms that has almost become a mantra and if folks don't own ARs then they're buying all of the many items in the current crop of tactikool firearms that look like the progeny of ARs. Classic Firearms sends out email with dozens of variations of every kind of tactikool rifle and handgun. Virtually all of them owe their existence to America's fondness for the AR - which I tell people means "America's Rifle". Newbies don't have to know the rest of the story.

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I had a Colt and an Olympic Arms AR-15 decades ago and I thought they were OK but not great and I sold them and made a big profit. Then I built a couple when the parts were really cheap and accessories were cheap and they're more accurate than the early ones and I really started appreciating them. I would tell the OP to just start shooting it and enjoying it.

Where is the “correct” place on the top rail to put the red dot?, wherever is comfortable for me? I’m taking a lesson soon but wanted to make sure I wasn’t going in like a fool. Thanks!

Mount it s far forward on the upper as it will go. Don't mount it directly above the ejection port or on the handguard!

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SIC SEMPER TYRANNIS

Thank you very much, this is helpful. I think I’ve changed it a dozen times trying our different positions. Thanks!

I've read a lot articles and seen plenty of videos on Red Dot placement, IMO it's pretty much personal preference (Because everyone has a different opinion).

Some of the take aways I found were:
1: Don't mount it on the handrail
Handrails are not that secure, they flex, move in someway or you might take it off to clean. All those can cause you to lose your zero. (Of course it also add more weight to the front also)

2: Mounting it farther away gives you more peripheral vision, but it's slower to acquire the dot.

3: Mounting it closer gives you less peripheral vision, but it's faster to acquire the dot.

4: Put a drop of loctite on the screw so it don't work loose.

5: As for mounting above the ejection port.

Plenty of articles and videos I've seen show it being done and don't show any problems with doing it. I personally haven't seen any problem with doing it.


(One caveat might be if your using a 45 degree offset (Canted) mount. )

I have. On more than several occasions while instructing carbine classes. It's not so much the optic itself that can cause the issue, it's usually the protruding mounting screw/thumb nut/throw lever. IF you want to mount your optic directly above the EP, just make sure any protruding mount parts are switched to the opposite side of the EP. I have witnessed plenty of times where the ejected brass hits the mount, whether it's a QD lever, or a thumb type fastener, and kicks the empty brass right back into the EP causing a stoppage that requires an immediate/emergency action technique to clear the stoppage and get the rifle back up and running. It may not happen often but why take the chance when it can be an easily eliminated factor?

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Does anyone know if the Crimson Trace that comes on the Sport II (CT105)? lose its “zero” when you change the battery?

Replacing the battery will not effect the zero.

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That is looks like an OR (optics ready) M&P15 sports 2

You are correct! In excited to clean it and give it a go.

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My 1st "AR15" was the full auto version and I didn't care for it at the time. Pretty much stayed away from them until California told me I shouldn't have one. I think I'm up to about 10 now and all sorts of uppers.

Much as I like the bolt and single shot, lever action types and the work it can take to make them perform well, there's something about being able to drop in parts, add an upper and create a whole new type of rifle.

Ar’s run well when the bolt and carrier are well oiled

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viking

Great to know!

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Yep, run it wet with light oil and it will go & go. There is a bunch of hype out there about self-lubricating BCGs & such - there ain't no such critters.

I've been told many times that they don't care much about being dirty but they need to be kept wet.

I don't always clean if I only run a mag or two, but mine get oiled after every range trip.

You did good. Welcome from the Commonwealth of Virginia.
Get out and send some rounds down range. Give us a feed back on how it goes.

Thank you Lkabug! I finally took her to the range and had a lesson. While my shoulder is a bit soar, it isn’t bothersome while shooting. Very manageable recoil. I was able to keep a tight grouping at 25 yards just working on fundamentals with an instructor today. I have a great appreciation for those who handle rifles with proficiency and frequency. I am really happy with this purchase. She ran flawless. I lubed the bolt before firing and cleaned her a few months ago. She fired right up. I’m very much looking forward to going back and making some more refinements. Only fired 60 rounds in mags of 5 during my instruction. Great intro to these rifles.

Thank you everyone. I have the M&P 15 Sport II OR. Will the Magpul MOE MLok carbine length handguard fit my rifle? I don't have iron front and rear sights so I wasn't sure how it would look or fit without them. Thank you.

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I have never been addicted to heroin, or those other addictive drugs,,
but,,,
the AR must come pretty close,,

I had one for over a decade, then I wanted an "OR",, and I lucked into a used one at a gunshow,,



It don't look like much, but, it shoots great, and came with a 22LR conversion kit,,,

This one has allowed me to "learn" without worrying about damaging an expensive gun,,

If there was more ammo around, I am positive that I would own WAY more of these things,,,

It appears that your sights are installed backwards and need to be spun around.

The portion of the sights that affix to the rail should be facing forward.

Good catch!

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What flip up sights are you using?

I have a question for you. So many people are buying firearms just recently, for the first time in their lives. What made you want to buy an AR right now and not in the past?

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How many guns are too many?

Great question! Until recently I lived on the east coast so owning anything was highly difficult. With the way things are right now I wanted a versatile platform. I saw my neighbors Springfield Saint Victor and talked my wife into getting a AR but couldn't spend that kind of money. I ended up getting a used M&P 15 with 3 mags and a soft case for $700.00. Been staring at her every night!

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I too steered clear from the AR platform mostly because I live in Commiefornia and it just seemed like it was more trouble than its worth. but 2020 changed that for me (and many others, I suspect). I was looking at the exact gun the op purchased as I wanted the reliability of a "factory" built ar, not a custom build. After a little more research, I actually decided on a Ruger Mini 14. The firing operation is a little different and the Mini's also present in a more traditional manner, which I prefer.

Can't believe I waited so long, this gun is tons of fun!

...and yes, everyone should own at least one!

Having carried one when I wasn't having too much fun I stayed away from the AR types. Until I finally got tired of CA telling me I couldn't have one. Or trying to. I think I have about a half dozen now with some spare uppers.

I do like my Minis also.

78Fleetwood,

I would encourage you to buy more magazines. Magazines at the moment have not become a panic item so they are available and affordable. In fact Brownells is running 30 round magazines on sale.

Oh I believe in owning 10 magazines for each AR I have.

Thank you for the advice. I have 5 currently so it's a start!

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Check GUNMAGWAREHOUSE. I just recently bought 2-10 packs of HEXMAG 30 rd. mags for 89.95 each pack + $4.99 shipping. They're just as good as MAGPUL.
Magazines for Rifles, Handguns and Shotguns | GunMag Warehouse

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How many guns are too many?

Thank you! So I just put on backup sights. What's the next best cheap upgrade. New handguard or stock?

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IMHO, both are needed!

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I knew that answer was coming. Should be fine, I'll just let my wife know AFTERwards haha. Thank you

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I bought mine from AIM SURPLUS. They have the BEST prices on MAGPUL furniture. I prefer the MAGPUL MOE SL brand/model.
Another thing you might want to replace is the pistol grip. Again, I chose a MAGPUL brand.
New Search

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How many guns are too many?

I def want to get a hand grip too. Thanks for the tip! Handgrip runs about 20.00 and the handguard about 35.00 at my local shop.

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So I added the new handguard. I noticed after spending so much time working the delta ring that there is a little left-to-right wiggle of the handguard, gas line...if that makes sense. So if I deliberately try to twist the handguard there is a little play in it. Is that normal?

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Mine has a bare fraction-of-inch play, but so did the original handguards. It seems to be normal for the attachment method.

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I don’t know where the right forum is but I recently recently got a 9mm AR Pistol, Brigade Arms. Looked exciting. Anyone have any experience with these awesome things?


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Right now, more ammo if you can luck up on it without breaking the bank. Seriously shoot it a whole bunch until it's familiar as an old shoe, and decide from that what kind of shooting you'll probably want to do with it; e.g., home defense, long range work, tactical games, varmint hunting - then you'll know what you might change or add to your satisfaction. There's so much stuff out there for AR's, you can easily waste a lot of money trying stuff and end up not liking it or needing it.
In the meantime - scrounge ammo, magazines, and read.

Thank you. I have been able to get ammo, but not a ton. I haven’t taken it to the range yet either because I don’t want to use what I have. Quite the conundrum. Great advice. I have been able to get 7 mags and practice the controls at home. Haven’t felt its kick though which I want to badly. How many rounds would you spend shooting as a first timer?

I'd suggest 40 rd or two boxes. Load 5-10 rd per mag, and work on slow, deliberate fire to get the feel of the rifle and trigger, as well as get the sights adjusted.
DO NOT get in a hurry to mag-dump. While fun, it can easily reinforce bad shooting technique.

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Thank you very much. I had no idea where to start! Some day I will have to reach my son’s to shoot so I want to know everything I can!

Then you may be in for a disappointment. It doesn't have much more "kick" than a .22 Long Rifle.