Apr 282012
 
BROWNELLS AR15 ROLL PIN HOLDER PUNCH SET

BROWNELLS AR15 ROLL PIN HOLDER PUNCH SET

One of my pet peaves from folks who assemble their own AR15 rifles is the sloppy installation of the various roll pins the AR15 rifle requires. In all fairness there are a few roll pins that present a challenge to the inexperienced and experienced alike. The BOLT CATCH ROLL PIN comes to mind as does the FORWARD ASSIST ROLL PIN. The BOLT CATCH ROLL PIN is positioned quite close to the body of the LOWER RECEIVER and requires a ROLL PIN PUNCH to have a flat side to properly install.

I have searched the internet shooting forums and websites as well polled user of my own forums for a better way to install roll pins. In that search I found some creative approaches but nothing that worked any better than my own approach of taping a ROLL PIN to a ROLL PIN PUNCH. Well that was then this is now. Brownell offers a ROLL PIN STARTER SET they refer to as ROLL PIN HOLDERS. The pins are available individually or as a set for just under $50. I opted for the set.

BROWNELLS AR15 ROLL PIN HOLDER OPERATION:

The roll pin holders are genius.  As seen in the image above the ROLL PIN HOLDERS are simply a punch that has a hollow tip the diameter of a given roll pin.  Place the ROLL PIN in the correct ROLL PIN PUNCH HOLDER and with a plastic faced or brass hammer carefuly tap in the ROLL PIN.  To prevent damage to the the WEAPON stop hammering before the ROLL PIN HOLDER contacts the part that accepting the ROLL PIN. At that point switch to a regular ROLL PIN PUNCH, the type with a half round nose and finish driving the ROLL PIN flush.

NOTES ON ROLL PIN HOLDER USE:

  1. Cover any part of your weapon with masking tape followed by duct tape in an area that could be damaged from ROLL PIN INSTALLATION. The masking tape serves as a great protector for your weapon. The underlying masking tape makes duct tape removal a simple process.
  2. Grease – I like to apply a small amount of grease in the ROLL PIN HOLE to help with proper installation. I also add a small amount of grease to the inside of the ROLL PIN HOLDER to help prevent the ROLL PIN from falling out and getting lost should I have a brain lapse.
  3. For finishing the BOLT CATCH ROLL PIN INSTALLATION I suggest the BOLT CATCH PIN PUNCH from Brownells. It is almost entirely flat on one side making installing the BOLT CATCH ROLL PINthe rest of the way a breeze.

    AR-15  Bolt Catch Pin Punch

    AR-15 Bolt Catch Pin Punch

Apr 222012
 
GEISSELE TRIGGER

GEISSELE TRIGGER

In the half-dozen or so years I have been operating firearms oriented websites and forums I have noticed certain trends with shooters building and upgrading their AR15 and M4 platform weapons. Very often appearance is taking presidence over function in two key areas. These two areas are barrel quality choices and trigger selection. The barrel and trigger are two of the most important weapon parts that enable you to hit your target.

This page will be part 1 BUILDING AN AR15 – UNDERSTANDING PRIORITIES PART 1 – AR15 TRIGGERS of a 2 part series BUILDING AN AR15 – UNDERSTANDING PRIORITIES

AR15 TRIGGERS

Unless you spent several thousands of dollars on a custom or high-end AR15 chances are your trigger was designed by an attorney to protect a firearm manufacturer. In fact one manufacturer DPMS has publicly stated that they expect you to replace your trigger and that the included trigger is merely there so you can fire the weapon when new.

The fact is you simply can not expect to get the greatest amount of accuracy out of your weapon with a factory trigger or the trigger included in a lower parts kit.

REPLACING YOUR AR15 TRIGGER SHOULD BE YOUR FIRST AND FOREMOST PRIORITY before you spend a single penny on any other part.

Now here is the downside of aftermarket triggers. You get what you pay for. However there is a law of diminishing returns. his means a $400 trigger is not necessarily twice as good as a $200 trigger. Will the most expensive trigger be better? You bet, but not every shooter needs a trigger  THAT GOOD. If you can afford the best go for it you wont be disappointed. If cant buy what you can afford. DO SOMETHING.

I break the triggers down this way.

AR15 Triggers Under $100:

  • BILL SPRINGFIELD – Spend $50 and send your factory trigger to Bill Springfield for a trigger job. It’s better than nothing and he turns them around very quickly.
  • ARMALITE TWO STAGE TACTICAL TRIGGER – At $97 it’s a good deal. Problem with the Armalite triggers is nobody bothers to learn how to adjust them so the triggers are often criticized. read the Armalite tech note here.
  • ALG DEFENSE – This is new and unknown to me but they are getting decent reviews and priced slightly higher that the trigger job mentioned above.

AR15 Triggers $100-$150

Got a few choices here.

  • JARD TRIGGERS – I have a few AR15′s with JARD TRIGGERS. I like everything about these triggers except the installation.
  • ROCK RIVER ARMS TWO STAGE TRIGGER – A lot of folks buy this trigger and are happy with it. There are those that claim the steel is soft and they don’t last. I have no personal experience but RRA cant keep these triggers on the shelf
  • ARMALITE AR15 NATIONAL MATCH SET TRIGGER – See my comments above in the sub $100 section. These are great triggers with proper installation and adjustment. Read the installation Tech Note here.

AR15 Triggers $150-$200

  • CMC AR15 TRIGGER – This is probably the ugliest modular drop in trigger of the bunch. What it lacks in looks it makes up for in performance. In fact the CMC AR15 TRIGGER is one of my favorite triggers at any price for the AR15 platform.
  • JP RIFLES – JP Rifles produces a very good trigger. If you order one be sure to order the speed hammer as well as they are meant to work together. JP includes a video of the installation. That is a nice touch.
  • GEISSELE SSA TRIGGER – The GEISSELE SSA is I believe the least expensive of the GEISSELE TRIGGERS. It’s a good trigger at a fair price.

AR15 Triggers $200 and up

  • TIMNEY – I like the Timney a lot problem is that unless you can find it for less than $200 the CMC in the previous section is a better choice
  • ATC AR GOLD – I ave no experience with the AR GOLD TRIGGER but I have a LOT of experience with the ATC SR GOLD TRIGGER for the 308 AR and AR-10 platforms. In fact the SR GOLD is my favorite trigger for the 308 platform. I would not hesitate to recommend the ATC GOLD. ATC/PACT has outstanding customer service.
  • GEISSELE – By most accounts the best AR Trigger
  • JEWELL AR15 TRIGGER – Unfortunately Jewell isn’t as good with AR15 triggers as they are with traditional rifle triggers. There are better choices.
  • WILSON COMBAT TACTICAL TRIGGER UNIT – I have no experience with the WILSON COMBAT TTU as they are never in stock when I am looking for a trigger.

As you see above there are options for every price point. Choose what fits your budget even if it means going without a new muzzle device, pistol grip, laser, tac light, or fancy collapsable stock or some other tactical gizmo that will do nothing to inprove the accuracy of you and your weapon..

START WITH THE TRIGGER

Stay tuned for  part 2 in the series BUILDING AN AR15 – UNDERSTANDING PRIORITIES PART 2 – AR15 BARRELS

Apr 222012
 
TNW QUICK CHANGE UPPER ASSEMBLY for AR15 RIFLES

TNW QUICK CHANGE UPPER ASSEMBLY for AR15 RIFLES

The SGP-QCB Upper Assembly
TNW Firearms has revolutionized the modern rifle with an innovative design that utilizes a built-in Gas Piston System with an integral Quick Change barrel! This new piston upper has a quick change barrel and free float quad rail handguards made of heat treated steel to make it lightweight and virtually indestructible.

SGPQCB Barrels

SGPQCB Barrels

This new style upper, Model SGP-QCB, allows the shooter to change the barrel and the incorporated gas piston system in seconds! The design allows for easier cleaning, caliber changes, and various barrel lengths. Adapt from 10″ to 24″ in seconds. Caliber conversions: .22cal-.223in, 7.62x39mm, 5.45x39mm, 6.5, 6.8mm. This system is sold as a complete upper which comes with bolt, carrier, charging handle, and gas piston barrel assembly.

TNW QUICK CHANGE UPPER ASSEMBLY for AR15 RIFLES

TNW QUICK CHANGE UPPER ASSEMBLY for AR15 RIFLES

TNW Quick Change Upper/Handguard Assembly Upper allows for barrel assemblies to be rapidly removed and installed. When operated, two levers on each side of the handguard allow for barrels to be removed and installed from the front. No torque wrench or adjustments are required. Quick change barrels allows for a variety of calibers and barrel lengths to be used with one upper receiver. Included with the Upper is the attached free float, quad rail handguard. The Quick Change Upper accepts standard direct impingement barrel assemblies and bolt carrier groups. The Upper can also be retrofitted for gas system quick change if a new carrier is installed. Rails are removable.

TNW Firearms, Inc. – (503) 429-5001

TNW QUICK CHANGE UPPER ASSEMBLY for AR15 RIFLES

TNW QUICK CHANGE UPPER ASSEMBLY for AR15 RIFLES

Apr 192012
 
BALLISTA TACTICAL SYSTEMS NAUTILUS ROTATING RAIL 7" for AR15

BALLISTA TACTICAL SYSTEMS NAUTILUS ROTATING RAIL 7" for AR15

The NRR consists of 2 separate and adjustable rail systems. Both sections are comprised of 4 individual Picatinny 1913 rails, which can be rotated 360 degrees, in 45 degree increments, in either direction by depressing the actuating button. It is constructed of aircraft grade, 6061 T6 hard-anodized aluminum. It can be mounted to any AR style platform. This revolutionary design allows the user to have instant access to 8 different accessories without the use of tools or the removal of other devices. This shift on the fly technology provides a significant advantage to the user in any sport, tactical or combat situation.

BALLISTA TACTICAL SYSTEMS NAUTILUS ROTATING RAIL 7" for AR15

BALLISTA TACTICAL SYSTEMS NAUTILUS ROTATING RAIL 7" for AR15

Ballista Tactical Systems was founded on the principal of aggressively pursuing innovative solutions for the firearms industry. It has over 50 years of collective industry experience with a solid track record of bringing revolutionary new products to the consumer, military and law enforcement communities. Ballistatactical.com.

BALLISTA TACTICAL SYSTEMS NAUTILUS ROTATING RAIL 7" for AR15

BALLISTA TACTICAL SYSTEMS NAUTILUS ROTATING RAIL 7" for AR15

 Posted by at 9:56 pm
Apr 142012
 

 

COLT SPORTER AR15 with VLTOR VC-1 FLASH HIDER COMPENSATOR

COLT SPORTER AR15 with VLTOR VC-1 FLASH HIDER COMPENSATOR

 

I purchased the VLTOR VC-1 based on the recomendation of a good friend who is an employee of RANIER ARMS. The VLTOR VC-1 was utilized for a project that involved taking my pristine  early 1990′s COLT SPORTER MATCH H-BAR and upgrading it to a more modern configuration. Aside from being a great FLASH HIDER and  COMPENSATOR ith VLTOR VC-1 was designed to accept many common SOUND SUPPRESSORS and more specifically the GEMTECH HALO SOUND SUPPRESSOR. Additionally the The VLTOR VC-1 measures 2.1″ long making it perfect to bring a 14.5″ barrel to a 16″ overall length (with addition of BATFE approved pin/weld installation). To date I have been quite pleased with the performance of the VLTOR VC-1, unfortunately I decided to go with an AAC M4 2000 QD SOUND SUPPRESSOR.

VLTOR VC-1 FLASH HIDER COMPENSATOR

VLTOR VC-1 FLASH HIDER COMPENSATOR

Manufacturers Info:

Highly-efficient internal helical design uses ten precisely contoured longitudinal ports combined with a unique, cloverleaf-shaped exit port to trap unburned powder particles long enough for full burn and dissipation of hot combustion gasses. Muzzle flash cancels itself out to minimize shooter exposure during daytime and low-light situations. Also serves as a compensator by directing venting gasses to help reduce muzzle jump and improve shooter control for better shot placement. Precision machined from 4140 steel to stand up to rough tactical operations. 2-1/8″ overall length brings a 14½” barrel up to legal length for civilian use when flash suppressor is permanently pinned or welded in place. Accepts most sound suppressors and Blank Firing Attachments designed to fit a M16/M4 flash hider. VC-1 fits .223/5.56mm AR-15/M16/M4 rifles.

Apr 092012
 
Colt LE6940P Rifle

Colt LE6940P Rifle

WEST HARTFORD, Conn. – Colt Defense LLC, one of the world’s leading designers, developers, and manufacturers of rifles and carbines, has advanced its one-piece monolithic upper receiver to introduce the LE6940P. This modular carbine has an articulating link piston (ALP) operating system and offers shooters a highly accurate, lightweight and easy-to-clean AR-platform rifle with an extended lifespan.”The new LE6940P puts to use a new, improved version of a piston system that Colt originally pioneered for the US Army,” said David Ridley, Vice President of Colt Defense LLC, “Now, any civilian shooter or law enforcement professional has the opportunity to shoot using this superior piston-operated AR.”

The advanced piston carbine (APC) is a lightweight, highly accurate alternative to the traditional direct gas impingement system found in most ARs. The LE6940P utilizes a unique articulating link piston (ALP) operating system, which reduces inherent stress in the piston stroke by allowing for deflection and thermal expansion. As a result, shooters are offered a highly accurate firing experience and the weapon’s lifespan is extended.

Measuring 35 inches with the stock extended and weighing just over six and a half pounds, the LE6940P was designed to be lightweight to reduce shooter fatigue. A one-piece monolithic upper receiver gives ease in assembling parts, disassembling and cleaning. The 5.56mm, magazine-fed carbine has a semi-automatic rate of fire with 700 to 950 rounds per minute. Chambered in .223 Rem (5.56 x 45 NATO), this rifle has an effective range distance of 600 meters.

A continuous rail from the rear of the upper receiver to the front sight translates to unmatched repeatability for mounting optical systems, not found with aftermarket rail systems. In order to enhance the shooters’ versatility in both close quarters and long range, Colt has also incorporated a back up iron sight (BUIS) and a folding front sight.

“The LE6940P exemplifies Colt’s continued dedication to innovation,” said Ridley, “Colt was the first to put a piston system in an AR, and we have continued to improve on that system since, giving shooters an unmatched edge.”

About Colt Defense LLC

Colt Defense LLC is one of the world’s leading designers, developers and manufacturers of small arms weapons systems. The Company has supplied rifles and carbines to military, law enforcement and individual customers throughout the world for 175 years. Our subsidiary, Colt Canada Corporation, is the Canadian government’s Center of Excellence for small arms and is the Canadian military’s sole supplier of the C7 rifle and C8 carbine. The Company maintains manufacturing facilities in West Hartford, Connecticut and Kitchener, Ontario. For more information on Colt Defense LLC and its subsidiaries please visit www.colt.com.

Media Contact:
Eden Clark
eclark@daltonagency.com
904.398.5222 | 904.654.4950
Apr 092012
 
CMMG 9mm AR15 UPPER RECEIVER ASSEMBLY

CMMG 9mm AR15 UPPER RECEIVER ASSEMBLY

 

I have been on the fence for a while trying to decide what 9mm ar15 UPPER RECIEVER ASSEMBLY to purchase as part of our 9mm ar15 project. I chose the CMMG for four reasons. The first two reasons being I could use it with my HAHN PRECISION 9mm RECEIVER BLOCK with COLT 9mm 32 ROUND MAGAZINES. The third reason is the CMMG 9mm AR15 UPPER RECIEVER ASSEMBLY utilizes a bolt carrier group modified to accept any AR15 trigger group as opposed to the competition that relies on a dedicated 9mm hammer to function correctly. The fourth an final reason is that BROWNELLS has the unit in stock.

I will be throwing out the A2 handguard in favor of a MAGPUL FOLIAGE GREEN MOE CARBINE HANDGUARD. The FLASH HIDER will be replaced with a YANKEE HILL MACHINE YHM-9853-36-A PHANTOM FLASH HIDER for a WRAITH XL QD SOUND SUPPRESSOR with a 1/2″-36 thread.

There will be updated pictures on the 9mm ar15 PROJECT page.

 

This complete CMMG AR-15 M4 LE Upper Assembly features a chrome-moly steel barrel with a WASP Melonite treated bore and exterior. The upper makes use of a ramped, 9mm specific bolt that enables the use of a standard AR-15 hammer (dedicated 9mm hammers are not compatible), and comes complete with a shortened ejection port/ejection port cover and large polymer brass deflector. Upper must be installed on a lower receiver compatible with, or modified to accept, Colt-Style 9mm Luger box magazines.

CMMG’s durable Weapons Armament Surface Protection (WASP) Melonite treatment is a unique protective coating applied to the barrel that surface-hardens the metal, extending barrel service life by reducing friction in the bore and lessening bore surface wear. Also referred to as Nitriding, this treatment produces an extremely hard, slick surface on steel that resists carbon adhesion and increases corrosion resistance, making for easier cleaning and maintenance. Nitriding converts the steel’s surface without any build-up, retaining all the benefits of traditional chrome lining without suffering from the accuracy degradation commonly encountered due to uneven application of chrome inside the barrel’s bore.

Technical Information:

  • Upper Receiver: A3 Flat-Top
  • Barrel Length: 16″
  • Barrel Contour: M4
  • Barrel Material: Chrome Moly Steel
  • Muzzle Thread Pattern: 1/2″-36
  • Chrome Lined: No
  • Barrel Finish: WASP Melonite
  • Twist Rate: 1 in 10″
  • Chamber: 9mm Luger
  • Muzzle Device: A2 Flash Hider
  • Gas System Length: None, Blowback
  • Handguard: Polymer M4 -Style, Carbine Length
  • Sights: Mil Spec A2 “F” Marked Front, No Rear
  • Compatible with Colt-Style 9mm Luger Box Magazines, Not Included
  • Lower Receiver will Require a 9mm Luger Magazine Well Adapter Block for use, Not Included
  • Ramped 9mm Bolt Allows use of Standard AR-15 Hammer, Dedicated 9mm Hammer NOT Needed or Compatible
Apr 082012
 

SMITH ENTERPRISE VORTEX AR15 FLASH HIDER

SMITH ENTERPRISE VORTEX AR15 FLASH HIDER

SMITH ENTERPRISE VORTEX AR15 FLASH HIDER

I get a substantial amount of emails asking “What is the BEST FLASH HIDER FOR AN AR15“. Naturally with so many great options it’s very hard to single out one single AR15 FLASH HIDER as the “Best“. Who has the time and money to test them all? Not me. Fortunately this is one time where sales numbers, website visitors, reviews and YouTube videos mostly agree. The SMITH ENTERPRISE VORTEX FLASH HIDER is with good reason arguably the most popular and copied FLASH HIDER for an AR15 available today. It’s popularity is based on performance and cost about $60. There are other flash hiders that perform just as well and maybe insignificantly better but be prepared to spend two to three times the cost of the VORTEX FLASH HIDER.

If there are two undesirable characteristics of the SMITH ENTERPRISE VORTEX FLASH HIDER the first would be its plain and simple appearance. The second characteristic can be an annoyance to some. The VORTEX has a tendency to “Ring” as rounds are put down range.Watch and listen to the video below.

Specifications:

Used by US armed forces worldwide as well as US Dept of Homeland Security and law enforcement across the nation. Designed not to loosen under sustained fire. Compatible with Smith Enterprise’s quick attach/detach Direct Connect (DC) sound suppressors from Smith Enterprise, Fisher and Gemtach Halo. Specially angled 15 degree helical flutes hides nearly 100% muzzle flash, even during full-auto fire, by dissipating gas and retaining unburned powder for increased residual burn. Constructed of the same 8620 bar stock steel used in the manufacture of AR-15/M16 bolts and carriers, then heat-treated to provide a high-strength core and tough, outer shell. Special, helix design helps align exiting barrel gas to improve accuracy with all bullet types. Skirt extension conceals gap between barrel shoulder and flash hider on AR-15, M16, and M4 rifles. Grooved base ring allows integration of Blank Firing Attachment (BFA) used by law enforcement trainers, and permits installation of the Smith Enterprise M4DC CQB sound and flash suppressor (available factory direct to USG/LE and FMS customers). Thread-on design requires no washer. Torque to 10 ft. lbs. maximum, self-tightens as weapon is fired. Use M-193, SS-109 (M855) and MK 262 service ammo for highest degree of flash suppression. Can be permanently attached to 14.5″ long, M4 barrels for an overall length of 16.1″.

Apr 072012
 

Decided to photograph my Slash’s .45a AR15 BUFFER. It’s quite a substantial buffer and beautifuly machined.  There is a raised surface that lets the BUFFER SPRING attach quite securely. The end of the buffer is stamped “45″ although I am not sure what it could be confused with. This is the buffer that will be utilized with a WOLFF EXTRA POWER BUFFER SPRING in our .45acp AR15 project.

.45acp HEAVY BUFFER

.45acp AR15 HEAVY BUFFER

.45acp AR15 HEAVY BUFFER

.45acp AR15 HEAVY BUFFER CLOSE UP

.45acp AR15 HEAVY BUFFER HEADSTAMP

.45acp AR15 HEAVY BUFFER HEADSTAMP