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Wednesday, 24 August 2011

Decision time, how about the Rock River Arms AR-15 Model BB2512 Rock River Arms Tactical Operator 2

In addition to improved production by recognized AR15 outfits, every rifle supplier that has a pulse seems to be building some type of an AR-15 now. Half of those rifles are direct-impingement types with the same solid design envisioned by Eugene Stoner when it was first introduced more than 40 years ago.

Rock River Arms was founded 11 years ago by 2 brothers, Mark and Chuck Larson, who worked out of a garage. It has developed steadily ever since and now employs more than 90 folks. Although Rock River produces firearms for various federal government agencies, the actual bulk of their product sales are to the civilian market. Rock River Arms offers 50 or so models of rifles, but shoppers can make up their own configurations, utilizing a great number of components substitutions - sights, rails, stocks, barrel length and contour, and more. Rock River will also add add-ons like flashlights and red dot sights. Rock River Arms is like an a la carte workshop for weapons. Rock River does not make many components on site. Rock River designs and specifications parts, then receive them, perform inspections, complete them, assemble them into rifles and ship them out. The RRA facility is complete with a buffing and blasting room, where raw forgings become finished parts. Rock River Arms is truly a family small business with the brothers Chuck and Mark Larson as well as their father and one of their sons working at the plant. Looking about the facility there were many boxes of rifle carrier groups, essentially the bolts of the rifles. Rock River Arms offers an almost countless number of chambering options for the basic AR platform. Once you own a lower half which consists of the stock and receiver, you can acquire upper halves (barrel, carrier group, and gas system) in all kinds of chambering and interchange them freely. There's even a company that offers a .410 shotgun upper half for the AR15 rifle.

Components are measured throughout the production phase. Components are tested for hardness. Once testing is finished the come together at the respective assembly stations. Care is taken with every step of the upper and lower assemblies. Uppers are matched with various barrels and lowers are assembles usually are assembled with National Match triggers at 4 lbs and various stock combinations.

As uppers and lowers are joined by a master gunsmith assembler, the firearms are tagged and prepared for the test fire phase of the product.

In the shipping area, parts come in, guns go out. There seems to be no end to the demand. Rifles usually are sitting on dealers shelves for a few days before they are gone. For dealers that take deposits, guns never even make it to the shelves before they are picked up by a local customer or shipped out again.

Every rifle is sighted in and test fired before it leaves the factory. The Rock River Arms finisher loads the magazines prior to every rifle test fire. Using a fast bench loading tool, the finisher snaps 20-30 rounds into a magazine in an instant.

Several times a day, assemblers and rifle testers load the Rock River van with rifles and take all of them out to the range. Shooting from the back of the vehicle, every firearm with sights is sighted in, and then test-fired for function. Testers shoot at least two magazines through the fully automatic guns. Who says semi automatics are not accurate? With barrels provided by Wilson Barrel, the principal allure of Rock River Arms rifles is that they shoot much better than advertised.

The fit and finish of the Tactical Operator 2 rifles are wonderful and emphatically a step above the standard, rack-grade, Parkerized mil-spec AR on the market now, although they are slightly more expensive than those lesser grade models. The Operators upper and lower receivers match together so tightly I required a tool to work out the push pins. While the Rock River Arms Operators don't have pistons or monolithic fore-ends or flip-down rear sights, they have everything you need in an accurate, reliable semiautomatic rifle, at a price that sometime ago would have been unheard of. The Rock River Arms AR-15 AR-15 BB2512 Tactical Operator 2 is constructed with a 16 1/2" Chrome Moly barrel for accuracy, Rock River Arms Tactical Muzzle Break with exceptional signature reduction, Flip forward sight, Rock River Arm Quad-rail hand guard and much more... The Rock River Arms AR-15 Model BB2512 Rock River Arms Tactical Operator 2 also comes with such high quality enhancements as rugged fixed rear sight and flip forward sight to furnish increased longevity and aesthetic appeal. With the forward flip sight feature, the Rock River Arms AR15 Model BB2512 Rock River Arms is set for action to further incorporate a scope or red dot.

The Operator butts tock is a six-position CAR-type assembly with watertight storage compartments and numerous sling attachment points. The stock has a ribbed rubber butt pad that slides down with a push-button release to reveal the two storage compartments, sealed with O-rings. Each will hold either 2 AA batteries or 3 CR123 lithium batteries. As part of the package I had my choice of four rear sights: a traditional bolt-on A2 carry handle; a stand-alone rear sight; a RRA Dominator2 with an improved rail designed particularly for use with the EOTech Holosight; or the RRA tactical carry handle that features an elevated rail just below the level of the sights. The mil-spec magazines supplied with all Tactical Operator 2 Models are manufactured by NHMTG (Colt). For range work I equipped the Operator with a stand-alone rear sight behind an Aimpoint Comp ML2, and then tried the Operator with a Dominator2 rear sight from a friend combined with an EOTech 512 (AA battery model). For precision testing I used a Trijicon 4x32 ACOG with no sights.

I also shot the Operator alongside another AR-15 with no brake, just a standard A2 birdcage flash hider, and the Operators brake did not seem to be noticeably louder. This is an essential consideration when using a rifle indoors.

Accuracy Results - Rock River Arms AR-15 BB2512 Tactical Operator 2

Load Muzzle Velocity (fps) Standard Deviation (fps) Group Size (in.)
Black Hills 55-gr. SP 2,910 12 0.99
Black Hills 60-gr. V-Max 2,880 16 0.87
American Eagle 55-gr. FMJ 2,810 24 1.05
Black Hills Match King 69-gr. HP 2,780 21 1.03
Hornady 55-gr. V-Max 2,935 13 1.11
Black Hills 52-gr. HP 3,042 18 1.12

Most dealers in my area wanted retail plus which did not set well with my budget. I purchased my Operator from Class 3 Weapons in Houston Texas at a appreciable savings of only $969.00 which included shipping.

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Wednesday, 13 July 2011

Which tactical rifle to buy? How about the new Rock River Arms Tactical Rifle AR-15 Model BB2522 Roc

In addition to elevated production by recognized AR15 businesses, each and every firearm producer that has a heartbeat seems to be crafting some variation of an AR-15 right now. 50 % of those rifles are direct-impingement types with the same solid design envisioned by Eugene Stoner when it was first introduced more than 40 years ago.

Rock River Arms was founded eleven years back by 2 brothers, Mark and Chuck Larson, who worked out of a garage. It has developed progressively ever since as well as today employs more than 90 individuals. Although Rock River produces rifles for several federal agencies, the particular majority of their product sales are to the civilian marketplace. Rock River Arms offers 50 or so designs of weapons, but shoppers can make up their very own configurations, using a great number of components alternatives - sights, rails, stocks, barrel length and contour, and more. Rock River will also include accessories like flashlights and red dot sights. Rock River Arms is like an a la carte workshop for weapons. Rock River doesn’t make numerous components on site. Rock River designs and specifications components, then receive them, perform inspections, complete them, assemble them into rifles and ship them out. The Rock River Arms factory is actually complete with a buffing and blasting room, where raw forgings become finished parts. Rock River Arms is genuinely a family small business with the brothers Chuck and Mark Larson as well as their father and one of their sons working at the plant. Looking about the factory there were many boxes of rifle carrier groups, essentially the bolts of the rifles. Rock River Arms offers an almost countless number of chambering options for the basic AR platform. Once you own a lower half which consists of the stock and receiver, you can buy upper halves (barrel, carrier group, and gas system) in all kinds of chambering and interchange them freely. There's even a company that offers a .410 shotgun upper half for the AR15 rifle.

Components are measured throughout the production phase. Components are tested for hardness. Once testing is complete the come together at the respective assembly stations. Care is taken with every step of the upper and lower assemblies. Uppers are matched with various barrels and lowers are assembles usually are assembled with National Match triggers at 4 lbs and various stock combinations.

As uppers and lowers are joined by a master gunsmith assembler, the firearms are tagged and prepared for the test fire phase of the product.

The shipping area is a flurry of activity. Parts coming in and rifles going out. A literal symphony in action as the Rock River arms factory pushes in raw components destined to become full rifles. Oddly enough, there seems to be no end in sight as the operation continues day after day.

Preparation for the firing test begins with the loading of magazines which is a full time job. The finisher snaps 20-30 rounds into waiting magazines in preparation for the final function test

Several times a day, assemblers and firearm testers load the Rock River vehicle with weapons and take all of them away to the range. Shooting from the back of the vehicle, every rifle with sights is sighted in, and then test-fired for function. Testers shoot at least two magazines through the fully automatic guns. Who says semi automatics aren’t accurate? With barrels provided by Wilson Barrel, the main allure of Rock River Arms rifles is that they shoot significantly better than marketed.

Thanks to Rock River Arms AR-15 Model BB2522 Rock River Arms light weight, it is hassle-free to carry around and the Rock River Arms AR15 Model BB2522 Rock River Arms is even more comfortable to shoot. Produced with specifically top-grade materials and made to the strictest technical specs, this Rock River Arms AR-15 AR15 Model BB2522 Rock River Arms is remarkably precise, long lasting, and reliable, and makes a remarkable addition to any rifle collection.

The Rock River Arms Tactical Rifle AR-15 BB2522 Operator 2 rifle includes a Rock River Arms winter trigger guard and the ERGO Sure Grip. While I prefer a hard pistol grip, I have long encouraged use of pistol grips such as the ERGO that add a little material to the backstrap of the rifle. Standard AR pistol grips are too small for anyone who doesn't have child-size hands, and they encourage poor shooting technique by positioning the second joint of the finger on the trigger. Upgraded grips such as the ERGO correct that drawback. The rifles are furnished with the RRA Star safety/selector, which sticks out a bit more from the receiver than a mil-spec safety. It is not ambidextrous. The safety performed just like it should, but I like the looks of the mil-spec design better probably because its what I am accustomed to. When I first acquired the Operator and tried out the trigger, I was really shocked. As a general rule, factory triggers on AR-15s are awful. Not so the Operator trigger. Its crisp, light, two-stage trigger that breaks right at four pounds -not what I was expecting at all. This was just before I realized that all the Operator rifles come equipped with Rock River Arms well-respected two-stage National Match trigger system, which includes a lightened hammer.

I also shot the Operator alongside another AR-15 with no brake, just a standard A2 birdcage flash hider, and the Operators brake did not seem to be noticeably louder. This is an essential consideration when using a rifle indoors.

Listed here are the specifications just as supplied through my online dealer.

Manufacturer Rock River Arms
Model: Operator 2 Series
Type: direct-impingement AR semi auto
Capacity: accepts AR-15 magazines of any capacity
Caliber: 5.56 NATO chamber
Barrel length: 16-inches chrome moly, 1:9" twist
Overall length: 37 inches
Weight: 7.2 pounds (Entry and Tactical), 8.0 pounds ()
Hand guard: Half-Quad aluminum free float (BB2522)
Stock: RRA Operator CAR compartment stock, ERGO Sure Grip pistol grip
Sights: post front; wind age-adjustable rear aperture
Trigger: RRA National Match, 4 pounds pull
Sale Price: $1,000.00 , Retail $1,515.00

Accuracy Results - Rock River Arms Tactical Rifle AR15 Model BB2522 Rock River Arms

Load Muzzle Velocity (fps) Standard Deviation (fps) Group Size (in.)
Black Hills 55-gr. SP 2,910 12 0.99
Black Hills 60-gr. V-Max 2,880 16 0.87
American Eagle 55-gr. FMJ 2,810 24 1.05
Black Hills Match King 69-gr. HP 2,780 21 1.03
Hornady 55-gr. V-Max 2,935 13 1.11
Black Hills 52-gr. HP 3,042 18 1.12

Most dealers in my area wanted retail plus which did not set well with my budget. I acquired my Operator from Class 3 Weapons in Houston Texas at a appreciable savings of only $969.00 which included shipping.

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