Ruger AR-556 MPR 5.56mm Semi-Automatic Multi-Purpose Rifle

  • Item Number: 8514
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  • Condition: NEW
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    $899.00
    $649.99
  • Includes free shipping
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Product Description

What's in the Box

  • Ruger AR-556 MPR 5.56mm Semi-Auto Rifle
  • (1) Magazine
  • Cable Lock
  • Owner's Manual

The new Ruger AR-556® Multi-Purpose Rifle ("MPR"). This custom-built modern sporting rifle features an 18" nitrided alloy barrel with rifle-length gas system, Ruger's 15" free-float handguard compatible with M-LOK® accessories, the Ruger® Elite 452™ AR-Trigger and ergonomic Magpul® furniture. The perfect rifle for a variety of uses, the AR-556 MPR is capable and versatile.

Ruger's talented team of engineers worked carefully to develop the ideal custom package for the AR-556 platform that does it all, right out of the box. From plinking to competition shooting, the MPR is the perfect rifle for just about anything.

The MPR's cold-hammer forged 18" alloy barrel with 5R rifling is salt bath nitrided for corrosion resistance and durability. The barrel is contoured to minimize weight without sacrificing rigidity, leaving a 0.75" journal for the low-profile gas block. The soft-shooting, rifle-length gas system paired with a Ruger® muzzle brake provides smoother operation and softens recoil to keep every shot on target.

Ruger's 15" free-float handguard is light, stiff and versatile, with Magpul M-LOK accessory attachment slots along the 3:00, 6:00 and 9:00 positions. Additional slots on the angled surfaces near the muzzle are perfect for mounting a light, laser or QD sling cup. Compared to a typical quad-rail forend, the 1.50" diameter handguard makes the MPR's forend slim and controllable. M-LOK-compatible Picatinny rail sections can be easily added. The integral Picatinny rail at the 12:00 position is tightly controlled to the most current STANAG 4649 specification.

The crisp 4.5 pound trigger pull of the Elite 452 two-stage trigger is a great addition to the MPR. The lower receiver is fitted with Magpul's MOE® grip and Mil-Spec MOE SL™ buttstock, making the rifle easy to handle, shoulder and shoot. The Mil-Spec compatible lower and upper receivers are CNC-machined from forgings and hard coat anodized. The MPR comes complete with dust cover, brass deflector and forward assist.

Firearm Features

  • Lower receiver is fitted with Magpul® MOE® grip and MOE SL™ collapsible buttstock on the Mil-Spec buffer tube.
  • Handguard is free-floating for accuracy and the slim, 15" length provides enhanced ergonomics and support.
  • Made from aerospace-grade 7075-T6 aluminum forging, the flattop upper receiver includes a forward assist, dust cover and brass deflector, and is Type III hard coat anodized for maximum durability.
  • Bolt is machined from 9310 alloy steel and is shot peened and pressure (proof) tested to ensure strength, structural integrity and durability.
  • The Ruger® Elite 452™ AR-Trigger is a two-stage trigger that offers a smooth, crisp, 4.5 pound trigger pull. It features a full-strength hammer spring for consistent primer ignition and a lightweight hammer that enables a 30% faster lock time over standard MSR triggers.
  • Rifle-length gas system provides smoother operation and reduces felt recoil.
  • Magpul® M-LOK® accessory attachment slots along the 3:00, 6:00 and 9:00 positions with additional slots on the angled faces near the muzzle.
  • Cold hammer-forged 4140 chrome-moly steel barrel with ultra-precise rifling provides exceptional accuracy, longevity and easy cleaning. The 1:8" twist rate stabilizes bullets from 35 to 77 grains, and the 5.56 NATO chamber allows the use of both 5.56 NATO and .223 Rem. Ammunition. M4 feed ramps provide improved operational reliability, and the matte black nitrided finish provides corrosion resistance.
  • Chrome-plated bolt carrier inside diameter and chrome-plated gas key inside diameter provide exceptional resistance to hot gases. The gas key is staked so that it will not loosen after extensive firing. A matte black oxide finish on the exterior of the bolt carrier provides corrosion resistance.
  • Ruger® muzzle brake is a radial port design that significantly reduces felt recoil and muzzle movement. The 1/2"-28 threaded barrel allows for standard muzzle accessories to be installed.
  • Also includes: One, 30-round Magpul® PMAG®.

Firearm Specifications

  • Model Number: 8514
  • Caliber: 5.56 NATO / 223 REM
  • Stock: Black Synthetic Collapsible
  • Front Sight: None
  • Rear Sight: None
  • Barrel Length: 18"
  • Thread Pattern: 1/2"-28
  • Handguard: Free-Float M-LOK®
  • Twist: 1:8" RH
  • Capacity: 30
  • Finish: Type III Hard Coat Anodized
  • Height: 8"
  • Weight: 6.8 lb.
  • Overall Length: 35" - 38.25"
  • Length of Pull: 11.10" - 14.40"
  • Grooves: 5

Customer Comments

Customer Reviews

(4 out of 5) Good Value Rifle
by from Houston, Texas on

For the upgrade on the rifle with the price I paid is a true value. The rifle is nicely made. I had a few TFF and FTE with my first 50 or so rounds, and the bolt fail to lock back on the last round. Maybe it's due to the ammo and magazine combination. I was using Wolf ammo and a Surefeed magazine. I switched to a lancer magazine and a new batch of wolf ammo the gun ran fine. My second outing with the rifle I ran some Hornady ammo in steel casing and it was flawless. I went back to the Wolf ammo and got no issues after that. However, during sighting my red dot scope the hand rail came loose from the upper.

Ruger quality control need to step up here! I re tighten the rail and shot MOA at 50 yards zero. The trigger on this rifle is wonderful, a few of my friends were surprised by the light and crisp of it. I do recommend this rifle for anyone who is looking for an upgrade AR15 without breaking your wallet.

(5 out of 5) Top notch
by from San Antonio, United States on

I have owned several ARs. The MPR is without a doubt the finest AR I have ever owned. Everything is just as advertised. Great trigger pull, smooth as silk felt recoil, spot on accurate. No reason to buy an entry level AR for between $500 and $600 when you can have this gun for $650 from SOSS. Get it, you wont be sorry.

(5 out of 5) Love the Ruger MPR but needed a few adjustments
by from Bossier City, LA on

I absolutely love this rifle. First 200 rounds shot with zero malfunctions. Shot fiochi 55gr .223, and some federal 5.56 and it ate the ammo up. There are a few things that I found initially that I wasn't too happy with. The handguard wasn't installed evenly, it was slightly off to one side. No big deal, simply loosened set screws and moved it to center. I was worried it would walk off center, after shooting 200 rounds it maintained center. The gas tube roll pin was installed sloppily. It looked like someone was in a hurry and didn't push the pin all the way through, and mushroomed the pin so it wouldn't go in any further. This did not affect the function of the rifle, and I may replace the roll pin at some point.

The bolt and carrier were extremely tight when I first got the rifle, so tight that I had to use the fwd assist to get the bolt to seat. This was resolved with some LCP around the gas rings. The tolerance between the bolt gas rings and carrier is extremely tight. After running the bolt open and closed 100 times and lubing the bolt everything smoothed out nicely. I highly suggest you do this before taking it out to shoot for the first time, it will ensure you have a malfunction free shooting experience.

The trigger is excellent, the 2 stage trigger compliments the enhanced accuracy of the 18 inch barrel. I may actually purchase an other Ruger 2 stage trigger for another AR build I am planning.

Overall a good rifle, just needed a few adjustments which are not a big deal for a rifle which offers such a great value.

(5 out of 5) amazing looking rifle!!!
by from Indianapolis, Indiana on

I just received my RUGER AR 15 and it is exactly what I expected . Just a small delay with the gun control debate. I called and I was treated nice by a female rep she assured me it was good to go. There was zero damage from pickup. Everything went great even with small delay. I will definitely buy again thanks sportsman for great service!!!

(5 out of 5) Best Value on the Market
by from Herriman, Utah on

For what you get with this rifle package, you simply cannot buy or build anything even close to this quality, at this price point. I honestly don't know how Ruger is selling these things for only $100 or so more than their basic 556. Cold hammer forged barrel with melonite, Magpul furniture, free float rail, muzzle break, and a trigger that is 100 better than a mil spec. It would cost over $1000 for me to put this rifle together, but they are selling for around $600. Rifle shoots great. I have had on issues with feeding, or the bolt failing to lock back, like some others have mentioned. This is a very tight rifle quite impressive actually, so if things are not oiled regularly, I would expect some of the issues others have mentioned. If you are on the fence about buying this rifle, just do it, you wont regret it.

(5 out of 5) Great service
by from Doral, FL on

I ordered my new Ruger MPR on Sunday night, subsequently I called in to change shipping slight charge for expedite and talked to Rachel, she was extremely helpful and changed the shipping immediately and said she would be sure that the rifle shipped that day, yesterday! Well it did and I picked it up from my FFL at 1230 today. thanks Rachel and the SOSS Team!! Jaime

(3 out of 5) It's ok, not great
by from Fort Worth, Texas on

Received mine a few weeks back and have finally put some rounds down range with it. Here are the pros and cons.

Pros: Almost no recoil. It literally felt like I was shooting a loud .22 LR. Only when I started to squeeze of rounds fast did I start to jump around a bit. But easy to stay on the target. 120 brass rounds, cheap Monarch, not one jam. Free float hand guard has no wobble. And all the Magpul furniture was comfortable to work with. Sad it doesn't already come with sites, but for 599 no tax, no shipping, I wasn't going to complain. Basically this was a joy to shoot.

Cons: OMFG, that front take down pin was horrible. I have served firing the M16 and M4, never once was a take down pin so difficult. I literally had to have a punch and tack hammer to get it out, and to put it back in, the tack hammer again. And I oiled the hell out of that pin and hole. The back pin was easy, pushed with my thumb and was able to pull it out no prob. Even after a few taps and replace it is still not budging by my thumb only. Still having to use a punch and tack hammer. Remember how I said I only fired 120 rounds Well the bolt cam pin was already gouged pretty good. And the whole carrier group felt tight. Even after cleaning and reapplying oil. Will have to keep an eye on it, but already looking for a carrier group replacement.

All in all, fun gun to shoot, but I will be contacting Ruger with my concerns on the take down pin and carrier group.

(5 out of 5) Ruger MPR
by from Borger, Texas on

GREAT PRODUCT, GOOD VALUE, EASY TRANSACTION, FAST SHIPPING, THANKS!

(5 out of 5) Sweet!
by from Bushkill, Pennsylvania on

What an accurate and smooth shooter! Honestly impressed. Ruger made a very nice rifle at a very reasonable price! Scoop one up before they realize what they have here and jack the price up! Thanks SOSS for the quick one week transaction and great price! I will definitely do business through you guys and girls again!

(5 out of 5) Great rifle.
by from El Paso, TX on

I would definitely recommend this MPR to anyone. I have had it for about a month. Very accurate rifle so accurate I have been taking out rabbits while they run. My only problem is getting the bolt to lock back after the magazine runs out of ammo. Awesome rifle though. I get groupings less than a quarter at 100 yards.

(5 out of 5) Nice Gun
by from Harrisburg, PA on

I am by no means a great shot but this gun works for me. I spent about 30 shells sighting in my 5 MOA Bushnell red dot and the aftermarket iron sights. At that point I was able to hit any 6 plate up to 110 yds on demand speed fire while on the bench. My buddy said now stand up and free hand it. 4 shots, 4 seconds, hit 6 plate at 110 yds completely free hand. 2 group at 110 yds with the iron sights on bench. I'm satisfied.

(5 out of 5) MPR 5.56 recoils like a 22 cal
by from Hollywood, FL on

Thank you Sportsman for the fast turn around time on the shipping came in a few a days early. Phone good customer service. Simply put, Best 5.56 on the market right now for the money. Shoots 5.56 and 223s. kicks like a high powered 22 cal. My friends Daniel Defense kicks like an old M16 hard. Ya I know, barrel differences..blah blah blah. bolt is easily upgrade-able to a F.A. bolt mil spec. Distance is outstanding with a scope of course. I don't think, I will need to put 10,000 rounds through it. It's a S.H.T.F. Rifle for me. I added some goodies of course green laser, 9x32 scope, red dot, and of course good old sights and got 10 Sec adman mags. Too good to not take on price value and a 10 clip rifle bag. And still came way under my friends cost just on his DD.

(5 out of 5) GREAT RIFLE, GREAT PRICE
by from Bismarck, ND on

I own several Rugers so when this rifle was released, I had to have one. I have a Ruger SR556 and an SR762, and I love both of them, but I paid well over a thousand dollars for each of them. The MPR was less than half of those but still impressed me very much. I really like the 452 trigger and with the magpul furniture and rail already on this rifle I cant ask for more. I've ran about 300 rounds through my MPR with no issues. I can't say enough good things about this rifle and the amazing value it is. If you are in the market I recommend the Ruger MPR.

(5 out of 5) GREAT SERVICE
by from Mesquite, Texas on

I ordered the Ruger AR 556 MPR on Monday morning and picked the rifle up from my FFL on Tuesday. I paid the extra 30 bucks for shipping, but it was well worth it. The rifle is exactly what I expected. I put a Sig Sauer Romeo 5 red dot and some flip up sights and I'm good to go. Great customer service for a first time Sportsman's Outdoor Superstore buyer.

(2 out of 5) Reliability woes
by from New Baden, IL on

I really like the features on the MPR. I added an ambi safety, ambi charging handle, flip up irons and a Vortex red dot. The gun works great with brass ammo. But very poorly with the three different steel case loads I tried. Even after a full cleaning, I get a failure to feed about every 10 rounds with steel. Sometimes it wont pick up the fresh round from the mag, sometimes it hangs up on the feed ramps. Sometimes the bolt won't lock back on the last round. I used the same loads and mags on the same day in my 2010-era Rock River A4 with 100% reliability. My MPR will go back to Ruger for a look after Xmas. My only reason for waiting is wanting nothing to do with UPS this time of year! If Ruger can get it working right with steel ammo, I'll likely rate the MPR in the 8 or 9 range on performance... I just don't enjoy sending it back for a do over.

(5 out of 5) Best overall value in the market!
by from Spanish Fork, Utah on

First off, this is not a long range, precision rifle or the ideal CQB weapon or anything really other than an outstanding all-around AR. With the free-float rail, enhanced trigger, Magpul furniture, muzzle brake, and excellent barrel, the MPR has just the right amount of upgrades to make it precise out beyond 500 yards, lightweight, ergonomic and just plain kick a. The rifle-length gas system along with the muzzle brake really reduces recoil and makes follow up shots super quick compared to the standard AR-556 or any other run-of-the-mill budget carbine. I have several hundred rounds through this rifle without a hiccup and haven't had any issues with feeding, ejecting, magazine seating, etc. I have used Magpul Gen 2 and Gen 3 PMAGS and GI steel mags, shot multiple types of ammo, new and reloaded. I use this mostly for sport shooting and jack rabbit hunting and it performs flawlessly. I pre-ordered this rifle for $560 which blew me away. At the current listed price, I still think this is the best overall value in the market.

(5 out of 5) Ruger MPR
by from Scott Depot, WV on

I have not shot the gun so for now I'm giving 5 stars solely based on my purchase, the extremely fast shipping, the condition of the gun as I received it, the fair cost, and the options on this Ruger AR MPR. I spoke with Rachel and she was very helpful and friendly. I was shocked at how quickly my gun arrived. I online ordered Wednesday morning and picked it up Friday. I was forced to purchase this gun because I had a scope that needed to be installed on something. I haven't owned a Ruger yet that disappointed me and I hope this gun meets my expectations.

(5 out of 5) What a Deal
by from Central, Texas on

You're getting a lot of gun for the money with the Ruger AR556 MPR. I've only put 40 rounds through it, but it functioned flawlessly and is very accurate. The OEM BCG worked just fine, but I replaced it with a PSA Premium BCG just because I don't like the unshrouded carrier that comes with the rifle.

(4 out of 5) Almost Perfect
by from Memphis, MI on

For the price you can't come close to what Ruger has here. Some positives. -Magpul stock and grip -MLOK hand free floated rail. Very thin. You can wrap your hand around it for a very nice C clamp hold -Ruger's 552 trigger is way nicer than I expected. I really like it -A rifle length gas system creates a very nice recoil impulse - 18 inch CHF barrel with 5R rifling; you get a little extra velocity out of rounds and it's a very nice barrel overall. The included muzzle break is very nice as well. The bolt and barrel are both magnetically particle inspected together; a very nice quality control step. Some people don't like the wait the gas key is staked but it's just a new way Ruger is doing it with a hydraulic press, however, it's the same staking as the older AR 556 so it works perfectly fine.

Now for the negatives. -I wish Ruger would toss in a pair of irons; it's just a personal gripe of mine. I think all guns should come with them, but the only reason this gun is not 5 stars for me is the bolt. Don't get me wrong, it works perfectly the way it is, however, it is not a full M16 bolt carrier group, so if you wanted to put in a binary trigger, you will run into reliability issues, but that's a very small part of the market. Overall, you can't beat this gun at $600. I got mine for $560. It comes with a very nice barrel and you can't find a rifle length gas system on guns this cheap. It's just a super super smooth shooting gun with very nice premium features for an entry level price.

(4 out of 5) Great rifle one mistake...
by from Omaha, NE on

SO, I got my new Ruger AR 556 MPR from Sportsman's here, and it is a great deal. I took her to the range yesterday after throwing on some flip up sights and proceeded to fire away. After 2 mags I noticed something...The hand guard had some play to it...started to twist. I took it to the owner of the range to ask his opinion also my FFL, and looks at it and states the barrel nut is not tight, only thing really keeping the barrel on is the gas tube at that point. COME ON RUGER. So, I faced the whole send it back pain in the butt, or just have him look at it further and adjust as needed. Could do it myself, but with it being new I was just pissed and figured I'd let him do it. I'm sure it will end up being minor...And everything else about the rifle is great.

(5 out of 5) Killer deal for the money!
by from Lenoir, NC on

If you buy the elite Ruger trigger by itself, it's like $150 and the Magpul stock is around $50, I believe. In addition, you get the Magpul grip and the freefloat handguard which probably has a combined total of $100-$120. The upgrades to the Ruger AR-556 are very impressive. I am about to order mine right now. I already know Sportsman Outdoor Superstores service will be good so I'm giving it 5 stars all the way around. Job well done Ruger!

(4 out of 5) Nice gun with one problem.
by from Sugar Grove, IL on

I pre-ordered this rifle and the price was very good. I mounted a Nikon 223 4x12 scope with Nikon P223 mounts on this Ruger. I could not get the bolt for the forward scope mount through the slot on the handguard rail because the notch was machined too high at the bottom. I slid both mounts back on the rail of the receiver and mounted the scope there. I ran 200 rounds of Russian 556 through the gun without a malfunction. Very tight group in the center of the bulls-eye at 100 yds. Overall I am very happy with the rifle and would have given a 5 rating instead of a 4 if I had not had the problem with the forward rail. I own 2 Colt 6920s and 2 S&W M&P ARs. I recommend this Ruger AR556 MPR.

(5 out of 5) Simply Outstanding
by from North Texas, TX on

Free float rail, awesome trigger, rifle length gas system, very light, nice finish. You are getting a crazy amount of AR for the money

(5 out of 5) Amazing
by from san antonio, TX on

This isn't my first rodeo. I have owned several ARs. But, none as sweet a shooter as this AR. The radial port compensator and the increased gas tube length make a significant difference in perceived recoil. I put about 200 rds down range on my first trip to the range. Bushnell AR scope mounted, 1st shot 6 in low at 50 yds. Dialed in about 45 clicks 2nd shot about 1/2 off dead center. All the remaining shots within 1 moa of dead center. Real nice trigger, just a very solid AR. If you are looking for your first AR or simply a upgrade, get this gun. You will never look back on your decision.

(5 out of 5) Great price and great AR
by from Albuquerque, NM on

I purchased in the Pre-Order. For the money, this is a very good AR15. Probably not the best you can buy, but I find that it is a good value for the money. This is my first AR15 platform gun. After adding flip up sights, a red dot, and a few other items I put about 500 rounds through it. The rifle shoots very straight with, what I would call, light to moderate recoil. I have shot a few AR15 rifles other than this one. I had no malfunctions in the 3 range trips it took to fire 500 rounds. All 500 were Wolf 223. I have not run 556 yet. I would recommend this AR15. So far, I haven't found a down side. I would rate my experience and knowledge of the AR platform as advanced beginner. Hope this review helps you decide.

(5 out of 5) Everything you expect
by from Saint Charles, MO on

This rifle is almost too good to believe, but its not. I ordered this rifle on the 18th of September and it arrived at my FFL on the 28th. I broke it down and it was very well oiled. The barrel needed a bore snake through it. I bought some cheap pop up sights on Amazon, they are OK.I picked it up and took it to the range same day. I bought 3 different types of ammo: Golden Bear, Tula and IMI. They all fed great with Zero issues over the course of 250 rounds through PMAGS and GI mags, I only shot 20 rounds of Tula because I don't care for it. It is a soft shooter and the trigger is great. Buy it.