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KAK Industry 300BLK Upper Build – Running Great!

Posted on April 7th, 2014 by ar15news

KAK Industry is a company we ran across by chance and pretty much fell in love with. They make some really awesome stuff including multiple different types of buffer tubes, barrels, flash hiders, compensators, etc. and the company’s owned and operated by a great guy. These aren’t products they source out and just laser their name on either. They seriously make these right there in their shop. We love to support Americans who are making great products and KAK Industry is just that. Lately I’ve posted about some KAK parts and people have been asking who they were and what the quality was like so I wanted to write something up regarding my personal experience with their parts.

I originally approached Kurt to ask about his Fluted Pistol Buffer Tube that caught my eye in some photos. After talking a bit he asked if I was interested in checking out one of their 300BLK barrels, shoot the heck out of it and send it back when I was done. Of course I was interested so he sent me a barrel, gas tube, gas block and one of their KAK KeyMod rails. I already had a stripped upper laying around and a Smith Enterprise 7.62 Vortex flash hider. All of the parts appeared to be very well spec’d and went together with no issues. Using a Geissele Automatics REACTION ROD I was able to assemble the upper in no time.

KAK 300BLK with SanTan BAD CMC Magpul 2

KAK 300BLK with SanTan BAD CMC Magpul 2

I decided to use my San Tan Tactical STT-15 billet ambi lower with a CMC Triggers Flat 3.5lb drop-in trigger, a Battle Arms Development safety and Magpul furniture to finish off the build. I also used a set of Troy sights and as you can sort of see in the picture above the front sight has a Blitzkrieg Components Chevron FSP in it. 

One of the things I’m very careful about with 300BLK is making sure myself, or anyone else shooting my guns, can’t accidentally mistake a mag full of 5.56 for 300BLK or vice versa. That never ends well so I had my buddy Adam over at A Breon Custom make me a PMAG with the 300 BLACKOUT text on the sides and I make sure ONLY 300BLK gets put in the mag. This is especially important if you’re taking another upper or rifle with you.

KAK 300BLK with SanTan BAD CMC Magpul 2

The overall feel of this rifle is great. As with most KeyMod handguards, it’s very smooth so there’s no need for gloves really. It’s also very lightweight. The top 1913 Picatinny rail is removable so you could technically have a completely round smooth tube if you didn’t need that top rail, such as on a build with a red dot and no BUIS, etc. 

KAK 300BLK with SanTan BAD CMC Magpul 2

So far I’ve got a few hundred rounds through the rifle with no issues at all. It’s run like a champ even during our harsh Winter we’ve just come out of. With this rifle I wasn’t really going for a long distance build or anything but it has been very accurate and consistent. The 416 Stainless barrel looks as good as it shoots too.  The carbine length gas system has been perfect with no FTE/FTF’s and bolt locks back on empty mag every time. Overall…I’d have to say it’s been awesome. 

All I wanted to do with this article is to show you an upper I built using KAK parts that has been very reliable and accurate. It’s not a paid article (Just FYI, I never charge anything for articles). This was written for you guys who have asked what the quality is like and hopefully the next time you’re in the market for some new parts you’ll have another source to check out. As usual, I’ve put links to most of the items used in this article so you can get additional details and even purchase if you desire to. 

KAK Industry 16″ 300BLK 1/8 416 Stainless Barrel
KAK Industry Upper Parts (Gas Block, Gas Tube)
KAK Industry 12.5″ KeyMod Handguard
CMC Triggers 3.5lb Trigger
Smith Enterprise 7.62 Vortex Flash Hider
A Breon Custom Mag
San Tan Tactical STT-15 Grenade Lower (use code “
AR15newsLuckyCode” to save $40)

It’s Back!! Rainier Arms Upper Receiver Combo Deal

Posted on March 31st, 2014 by ar15news

Awhile back Rainier Arms came out with a great combo set which included their high quality mil spec M4 Forged Upper Receiver (includes forward assist and dust cover), a Rainier Arms Raptor ambi charging handle and a Rainier Arms Full Auto BCG. By bundling these together you can save over $50 on some really high quality parts for your build. At that time these sold out really fast. Just the other day I received an email saying they are back in-stock. This is the perfect way to start off a really high quality upper build. Check out the pics and details below. This upper combo can be purchased right now at www.RainierArms.com.

Rainier Arms Forged Upper Raptor Charging Handle Thunderbolt BCG 1 Rainier Arms Forged Upper Raptor Charging Handle Thunderbolt BCG 1

Introducing our Rainier Arms Upper Package. We have combined our Rainier Arms forged mil-spec upper receiver, Rainier Arms Raptor™, and Rainier Arms BCG phosphate to help our customers in completing their builds.

Upper Receiver Features:
-  Made from 7075 – T6 aluminum
-  Type III hard coat anodized
-  Matte black finish
-  Dry lube coating: Inside to reduce wear and adds lubricity
-  ”T – Marked” engraved
-  M4 Feed Ramp

BCG Features:
-  Full Auto Carrier
-  Heat Treated
-  MP Tested Bolt
-  Shot Peened

www.RainierArms.com

AERO Precision – FREE SHIPPING

Posted on March 27th, 2014 by ar15news

AERO Precision is offering FREE SHIPPING on all orders over $150 through the end of the month.  If you’ve been sitting on the fence just waiting on that little extra push to buy some new parts, this just might do the trick. Basically this means all of the new AERO Precision barrels will qualify for Free Shipping. So will the COP Uppers, Stripped Receiver Sets (Upper and Lower together), Gen2 Ambi Lowers or any other combination of parts that gets you over the $150 mark. Head on over and check out the products on their website. We’ve written a lot about AERO Precision parts. They make great quality products at a very affordable price point. www.AEROPrecisionUSA.com

AERO Precision Receiver COP LowerHere is one of my complete AERO Precision rifles (except the barrel). AERO Precision mid length COP upper with a Gen1 Ambi lower. The Aimpoint is mounted in an AERO Precision 30mm Cantilever Scope Mount.

New!! Rainier Arms Piston Uppers – Smoking Hot Deals

Posted on March 27th, 2014 by ar15news

Rainier Arms recently launched a line of complete Piston AR-15 Uppers that they have hand built using their high quality Rainier Arms parts and Adams Arms Mid Length Piston kits. I know what you’re thinking because I thought it too. “Oh great. Another expensive Piston upper”. Thankfully that is not the case.

Rainier Arms Force Piston Upper

The Rainier Arms Piston Series uppers all feature the new VooDoo Innovations Melonite coated barrels, Rainier Arms Compensator (RAC), Rainier Arms Milspec upper and the Adams Arms Complete Piston Kit including BCG and Charging Handle. They are offering two models, the Base and the Force. Both models come in your choice of 14.5″ and 16″ lengths. The Base is exactly what you would assume, a more basic upper with standard plastic hand guards. The Force model upgrades to one of the brand new Rainier Arms Force KeyMod rails. 

Base Piston 5.56 Uppers in both 14.5″ and 16″ models are priced at just $575 each. The upgrade to a Rainier Arms Force KeyMod rail only costs another $120. Check out the pictures and details below. If I were had some extra funds for a new upper this would definitely be at the top of the list. Links to purchase are listed below. Get on it before everyone finds out about these and they sell out.

Rainier Arms BASE Piston 5.56 Complete Upper – 14.5″ – $575
Rainier Arms BASE Piston 5.56 Complete Upper – 16″ – $575

Rainier Arms Force Piston Upper

Rainier Arms FORCE Piston 5.56 Complete Upper – 14.5″ –  $695
Rainier Arms FORCE Piston 5.56 Complete Upper – 16″ –  $695

Rainier Arms Force Piston Upper

VooDoo Innovations 5.45×39 AR Upper Build / Review

Posted on March 23rd, 2014 by ar15news

Whether you train with an AR-15 or just shoot a lot you know how expensive it can be. Ammo costs have skyrocketed in recent years and what we would normally consider affordable ammo is either non-existent or double the price of what it used to be. This is what got me to really start looking for a more affordable and readily available ammunition option. I wanted something that would feel and shoot similar to my normal 5.56×45 AR-15′s and the answer was Russian surplus 5.45×39 ammo. It can be found just about anywhere for roughly half of what it would cost to buy 5.56 and it shoots very similar to a 5.56 upper. Now I just needed to figure out what parts I needed to build my upper. 

As it usually happens, great minds are thinking alike :) and the guys at VooDoo Innovations (Sister company to Adams Arms) were getting ready to introduce a 5.45×39 Conversion Kit that included everything you would need to convert an existing AR-15 upper over to 5.45×39 but it also would make for a great kit to build a new upper with. I had originally just written an article and shared the info with you guys but when they found out I was interested in building an upper myself they offered to let me review one which of course made my day.

The 5.45×39 Conversion Kit from VooDoo Innovations is offered in both Carbine and Mid Length versions. I have to admit I had no idea what to expect when building this upper. Quite a few people told me that 5.45×39 is hard to get to cycle correctly, has hard primers, dirty ammo, etc. I decided standard with AR’s which is a carbine length gas system and then adjust things as needed from there. The kit showed up with a 16″ Melonite coated Carbine Length barrel, a Melonite coated 5.45×39 bolt, a Melonite coated A2 flash hider, one 5.45×39 ASC Stainless Steel magazine and a High Power Hammer Spring to ensure ignition even with harder primers. 

620 VooDoo Innovations 5.45x39 Upper Build 1

If you’re looking to build a 5.45×39 upper you’re going to hear a lot about how corrosive it is. You can either clean your rifle a lot or get parts that are designed to deal with it. As I mentioned, the barrel, flash hider and bolt are all Melonite coated which is perfect for the corrosive Russian 5.45×39 surplus ammo. The Melonite coating is on the inside and out of the barrel and which gives it awesome protection against corrosion and extreme durability. The deep black coating looks really great too.

620 VooDoo Innovations 5.45x39 Upper Build 1

It just so happened that at the same time I received a box of goodies from my friends at Geissele Automatics. In it was a new SMR MK5 KeyMod rail, Super Gas Block and an SD-3G trigger (more on the trigger in a few). I knew immediately that I was going to put the SMR MK5 rail and gas block on this upper and got it all assembled. I added a few of my favorite KeyMod accessories which are the QD Sling Mount and Handstop pictured below from Impact Weapons Components

620 VooDoo Innovations 5.45x39 Upper Build 1

620 VooDoo Innovations 5.45x39 Upper Build 1

For this build I went with what receivers I had on hand which was a forged upper from IS Fifteen and an AERO Precision Ambi forged mil spec lower. This particular lower is actually my favorite forged lower because it has the PDQ Lever installed and works great. Because I didn’t have a matched forged receiver set the fit was pretty tight. I installed a set of Battle Arms Development EPS (Enhanced Pin Set) pins and it made it much easier to push the pins in and out to separate the receivers. As you can see I decided to go with the Geissele SD-3G trigger. I was tempted to use a standard mil spec trigger with the High Power Hammer Spring instead of the SD-3G but I really wanted to try what I would normally do to an AR first and adjust things later. This ended up being a great decision.

620 VooDoo Innovations 5.45x39 Upper Build 1

At this point the rifle was done. I had added a Trijicon SRS red dot, some Troy BUIS, Rainer Arms RAPTOR charging handle, etc. I had purchased 1,080 rounds of 5.45×39 from AIM Surplus for $170 plus shipping. I still hadn’t shot it so the next step was to hit the range and do some function testing, nail down any issues and make any necessary changes…or so I thought.

620 VooDoo Innovations 5.45x39 Upper Build 1

620 VooDoo Innovations 5.45x39 Upper Build 1

I ended up taking the completed 5.45×39 rifle out to the range in 19 degree weather with some crazy blowing snow. If you’re gonna test something why not take it to the extreme, right!? After an initial inspection verifying that everything seemed to be installed correctly and functioning right it was time to shoot it. The main things I was keeping an eye out for were feeding issues, ejection issues, light primer strikes and making sure the bolt held open on an empty mag.

To start I put 2 rounds of 5.45×39 in the supplied mag, inserted it into the magwell and fired away. The first round fed into the upper very smooth. I pulled the trigger on the Geissele SD-3G and sure enough, BANG! First round fired properly. I check to see that the round had ejected properly, which it did and was laying on the ground to my right. I pulled the trigger again and just as it did the first time it sent a round down range with a great sounding crack! Remember I had only loaded 2 rounds so a quick twist of the rifle to my left and I can see that the bolt has definitely held open on the empty mag. (FYI, unlike what some people told me, 5.45×39 does not work in a PMAG unless its modified)

Right now I was pretty happy! I decided to load up a full mag and have at it. After a bit of sighting in we set a 6″x6″ steel plate about 75 yards down range and went medieval on it. Trigger pull after trigger pull, in extreme cold conditions, it continued to perform flawlessly. We were able to repeatedly blast that 6″x6″ plate with ease from a standing position. The Geissele SD-3G trigger had absolutely no issue igniting those hard Russian primers.

620 VooDoo Innovations 5.45x39 Upper Build 1

Surprisingly, this upper is quickly becoming one of my favorites. I simply can’t say enough good things about it. So far I have put over 300 rounds through this upper and have not experienced a single Failure To Feed, Failure To Eject, Light Primer Strike or any malfunction of any kind. I didn’t have to make a single adjustment to the upper after assembly. I’m very happy with the quality of the components and it’s proven to be very accurate. On my next trip to the range I’ll get some bench shooting in and grab some data on grouping at 100 yards, etc. If you’re on the fence about building a 5.45×39 upper or just looking for a more affordable option for the range, don’t hesitate. This 5.45×39 Conversion Kit from VooDoo Innovations is something I would recommend all day long. Quick thanks to VooDoo Innovations for making an awesome product and letting me get my hands on it.

I wanted to make it easy on you so below is a list of links to purchase the items I used in this build.

First and Foremost
VooDoo Innovations 5.45×39 Conversion Kits and Parts
5.45×39 Ammunition at AIM Surplus (big shipment coming in this week so get on the email list)

Additional Components
Geissele Automatics SMR Rails, Triggers and Gas Blocks
Impact Weapons Components KeyMod accessories. (Use code “ar15news” to save 5%)
Battle Arms Development EPS pin set and Safety Selector
Rainier Arms Raptor charging handle
AERO Precision Ambi Forged Lower
IS Fifteen Forged Upper
Trijicon SRS Red Dot
Magpul Stock and Grip
Phase 5 Weapon Systems Trigger Guard

Phase 5 – ATLAS ONE Billet Receivers Now Available

Posted on March 13th, 2014 by ar15news

I’ve been lusting after the Phase 5 Weapons Systems ATLAS ONE billet receivers ever since they introduced them a while back. A few months ago they introduced their billet upper and just yesterday they released the ATLAS ONE billet lower. I honestly had forgotten just how sweet this thing looks. Not only does it have some pretty sexy lines it also features the Phase 5 signature WTG (Winter Trigger Guard) built in and has a really great looking finish. These receivers are typically used on the ATLAS ONE AR Pistol which is Phase 5′s flagship item. Now you can purchase them too to use in your own builds. Take a look at the pictures below, then head on over to Phase 5 to buy some for yourself.

Phase 5 ATLAS ONE Billet Upper

620 New Phase 5 Billet Upper 2

Phase 5 ATLAS ONE Billet Lower – CAL MULTI Marked
Phase 5 ATLAS ONE Billet Lower – PISTOL Marked

620 Phase 5 Weapon Systems Billet lower 2

620 Phase 5 Weapon Systems Billet lower 1

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