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LUTH-AR Modular AR-15 Stock Making Waves

Posted on April 15th, 2014 by ar15news

Randy Luth’s latest invention is simply amazing and cutting edge at the same time, which makes this stock a game changer! 

Since the inception of Eugene Stoner’s original 1960’s fixed A1 stock for the M16/AR-15 platform, we have seen very few offerings come to market in the way of fixed stock options in the last 40-years. Perhaps the most significant fixed stock to date has been the Magpul PRS which was the first fixed AR style stock to add adjustability for the shooters comfort, length of pull and cheek weld. For a decade the PRS has dominated the market and for good reason. Magpul makes a great product that has been time tested in battle. 

If you are like me, the name Randy Luth or LUTH-AR meant nothing to me, but that all changed recently when Rainier Arms started carrying their new MBA stock.


The MBA (Modular Buttstock Assembly) is lighter, quicker and an easier to adjust stock that is high quality and less than half the price of the Magpul PRS. That is a big feat to accomplish by someone who is perceivably new to the AR market.

As you can see from the quick comparison, the MBA is the clear winner over the long time champion. 

Quick Look Comparison:


*Street price from

So who is Randy Luth anyway?

Randy is perhaps the Steve Jobs of the gun industry. Perhaps you have heard of DPMS? Randy founded DPMS in 1986 and sold the company to Cerberus/Freedom Group in 2007 and remained President of DPMS. The former DPMS owner currently holds at least seven U.S. patents in the firearms industry. In addition he earned Rifle of the Year awards in 2005 from Shooting Illustrated and in 2006 from American Rifleman. In 2009, Luth was chosen as Outdoor Life “Readers’ Choice” Person of the Year. Luth is the current owner of Del-Tone/Luth Gun Club and in his spare time serves on the board of directors for USA Shooting Team. Mr. Luth is also an avid hunter and 3-gun competitor. 

I would say he is more than qualified to come to market with a design that simply kicks butt.

“Most of the adjustable buttstock assemblies out there are complicated, cumbersome and add unnecessary weight to the AR,”Luth said. “I realized there was a niche for something lightweight and affordable that allows shooters to get the customized fit they need to enhance their shooting experience.”


The MBA stock is seemingly easy to install over a standard A1 or A2 receiver extension (buffer tube) and will work on any AR-15/AR-10 rifle that accepts a buffer tube. 

Made from Super Strong Glass Filled Nylon, the MBA is Fully Ambidextrous and can be comfortably used shooting off either shoulder as the cheek piece can be installed on either side for right or left hand shooters. In addition, the design allows the cheek weld to be moved forward or backward by adjusting the vertical pillars mounted to the holes than run the length of the stock. 


The cheek saddle allows for up to 1-inch of height adjustment and the butt-plate length has an adjustment of 1.125”. An optional rear sling swivel is available for an additional $4.

The MBA is currently available in two configurations, the MBA-1, which is the full-meal-deal package that includes everything you need for full adjustment or the MBA-2 “Skullaton” which is a skeletonized version of the MBA-1 with no adjustable pieces, however they can be added at a later time. The MBA-2 has an MSRP of $49.95.

At the range, the MBA stock performed flawlessly. The adjustment held strong round after round on our 308 and 556 test guns including the DRD Tactical G762 rifle which is shown in these photos. 



I had a really good chat with Randy on the phone and I am very impress by everything I have seen from LUTH-AR so far and I eagerly look forward to seeing more in the near future. Randy dropped this little hint:

“We are working on a carbine version now and while it posses some challenges, we hope to have it done soon” Luth said. 

By the way, if you’re curious, the MBA is made right here in the United States, including the molds.


The Luth-AR MBA and MBA-2 are currently available for purchase from Brownells, Rainier Arms or from Luth-AR directly. Interested dealers and wholesalers are currently being accepted and should contact Luth directly. The official website is or email


About the Author:  Jody Lewis is a professional photographer based in the PNW who has articles published on many of the popular websites including RECOIL-WEB and Guns & Tactics Magazine. He is also the Director of Operations and Business Development for Defense Marketing Group. You can follow him on his page XFIREPIX on Facebook.

NEW!! ZeroBravo KeyMod RHS (Reversible Hand Stop)

Posted on April 14th, 2014 by ar15news

Recently a guy named Todd, who is very well known in the firearms industry, ventured out on his own to start a new company called ZeroBravo. ZeroBravo is looking to be a big player in the accessory market and they’re already introducing their first product called the RHS which stands for Reversible Hand Stop. The RHS is a very minimalistic KeyMod hand stop that, as you might have gathered, can be mounted with the curved section facing towards the front or back of the rifle. It just all depends on how you as the shooter use a hand stop and what is most comfortable for you. 

620 ZeroBravo RHS Reversible Hand Stop 2

For the most part you’ll see people running their hand stop on the back side of their support hand (shown below) to help them pull the rifle into their shoulder which makes sense. This is how I tend to use mine as well. Other people will put it at the very end of the rail and use it as more of a “hand stop” where it keeps your hand from proceeding forward any more. This can be very helpful for those running a suppressor with a shorter rail system to help keep your mitts off that hot can. 

620 ZeroBravo RHS Reversible Hand Stop 2

620 ZeroBravo RHS Reversible Hand Stop 2

You can also mount the RHS on the side of your rail as an index point as well. 

620 ZeroBravo RHS Reversible Hand Stop 2

The ZeroBravo RHS should be available from retailers by the end of this month. Retail should be $39.95. Construction is currently under way over at so right now the best way to connect with them and keep and eye on future offerings is to like the ZeroBravo Facebook page

Easter 80% AR-15 Lower Receiver Blowout Sale

Posted on April 14th, 2014 by ar15news

Our friends at Tactical Machining sell a ton of high quality 80% AR-15 lower receivers. Right now you have a chance to grab a few for yourself at a great price during their Easter 80% Sale. Starting now and running through Easter (unless they sell out earlier) all of their standard 7075-T6 80% lowers are just $59. These aren’t blemished or anything. Just a great deal on a great product. If you’re a do-it-yourself-er, excursive your rights and build yourself your own firearm. Purchase at

620 Tactical Machining Easter Sale 80 percent lower 1

These 80% AR-15 Lower receivers start as 7075-T6 forgings from the lead forge in the US and are fully machined to mil-spec tolerances. The operations left to be completed are as follows/ fire control group, trigger pin, hammer pin, trigger slot and the safety selector hole. This is a not an FFL item. This is not a complete receiver and still requires machining to be done. We have a copy of our ATF determination letter and our determination update stating that it is not a firearm.

NEW!! Strike Plate with QD Sling Mount for Magpul PRS stock.

Posted on April 3rd, 2014 by ar15news

For such a solid and expensive stock, there really aren’t very many companies making accessories for the Magpul PRS (Precision Rifle Stock). I know there are tons of people using them but it seems that a lot of the other stocks get all the love. Well, while researching a new product that I will be reviewing I came across this new Strike Plate that Armageddon Tactical makes for the Magpul PRS. Now this is obviously not a groundbreaking new product or anything but a lot of people don’t use the small picatinny rail on the PRS. Why not turn it into a nice Face Tenderizer!? 

AR15NEWS SPR Build 620

PRS Strike Plate 620

The Armageddon Tactical PRS Strike Plate is made from 6061 Aluminum and then anodized black. You can purchase the standard model or upgrade to one with a QD Sling Mount built into it. I personally don’t see myself using a QD Sling Mount on the underside rear of the PRS so I would probably just go with the standard model. This strike plate will work with both the AR-15/AR-10 model of the PRS as well as the PRS2 which is for FN and HK rifles. Purchase for $45 at

April is no time to fool around at Damage Industries. Use coupon code “NOFOOLIN” for 33% off everything store-wide! This deal expires tomorrow so don’t wait too long.

620 April 33 percent Sale

NEW!! Midwest Industries KeyMod Panel Covers

Posted on April 2nd, 2014 by ar15news

Midwest Industries is one of the companies that has been really branching out of late. At one point they were best known for their nice AR-15 rail systems. Now they make rails for .308 rifles, KeyMod hand guards, have their own billet receivers and even offer complete rifles too. Just the other day they came out with another new product which is their new KeyMod Panel Covers. 

The new KeyMod Panel Covers use mechanical fasteners to attach to the handguard which makes them extremely secure. These will be sold in kits that come with 3 covers (a 3 slot, 4 slot and 5 slot). The 3 slot covers are available in both the standard flat style or with a built-in Handstop. 

Midwest Industries KeyMod Panel Covers 1

Midwest Industries KeyMod Panel Covers 1

Midwest Industries KeyMod Panel Covers 1

These covers when placed on the MI-SSK handguard which has an outside diameter of 1.5” only increases it to 1.760” with the panels installed. The three panels with all flats weigh in at .8oz and will retail for $22.50. The three panel kit with the hand stop panel weighs in at .9oz and will retail for $24.95. Available for purchase soon at

You can also follow Midwest Industries on Facebook.



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