Recently, Rock River Arms unveiled a new series of firearms. The Entry Operator 2 line consists of three distinctive styles of Rock River Arms well known direct-gas-operated LAR-15 style rifles. Each will share some typical functions, and the firearms take their name from the new Operator stock Rock River Arms has recently launched. Rock River Arms started out constructing excellent 1911s, years before it was cool, the Corona, IL, company got into the AR-15 field. Its firearms were so well made that the U.S. Drug Enforcement Agency decided on Rock River to produce its issue firearms available currently as the LAR-15 Pro-Series Government Model.

Rock River Arms was founded 11 years ago by 2 brothers, Mark and Chuck Larson, who worked out of a garage. It has grown continuously ever since and today employs in excess of ninety individuals. Although Rock River produces firearms for several govt agencies, the vast majority of their product sales are to the civilian marketplace. Rock River Arms offers fifty or so versions of rifles, however customers can make up their own configurations, using a great number of components alternatives - sights, rails, stocks, barrel length and contour, and more. Rock River will additionally include add-ons like flashlights and red dot sights. Rock River Arms is like an a la carte workshop for guns. Rock River does not make many parts on site. Rock River designs and spec components, then receive them, perform inspections, complete them, assemble them into weapons and ship them out. The RRA factory is complete with a buffing and blasting room, where raw forgings become completed parts. Rock River Arms is truly a family 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 manufacturing 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 easily 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 as well as tested as they arrive in to the manufacturing facility and at various stages during production. Tested for hardness, testing is done all the way down to the flash hider. All of the little sub assemblies - sights, gas blocks, carrier groups, safeties, and so on -- come together at the stations where the upper halves and lower halves are put together. Once at a work station the gunsmith assembles the upper half of what will be a future complete rifle. The gunsmith takes special care to assemble the upper with the silver tube running along the top of the barrel which directs gas from the gas block to run the action. During the upper half assembly, the headspace gauges are used to examine the dimensions of the chamber. The bolt of a rifle should close up over the green GO‚ gauge but not close over the red‚ NO GO, which is slightly oversized. Cartridges can rupture, sometimes dangerously, in an oversized chamber. Rock River offers the choice of a standard trigger or a two-stage National Match trigger for serious target shooting. A two stage trigger is the preferred style for military rifle competitions such as the famous National Match at Camp Perry, Ohio. Pulling a two-stage trigger, you feel slack as the trigger moves a short distance, then a light, clean break. The Rock River Arms gunsmith will check the weight of the trigger pull by hanging a 4 1/ 2 pound weight from the trigger. If the weight does not trip the trigger, he will file the trigger sear to lighten the pull. Lighter trigger pulls are also available from leading Rock River Arms dealers. Lowers also come with options such as an oversized winter trigger guard, originally designed for police officers who needed to keep their hands inside warm gloves but still be ready to shoot in cold weather. Winter trigger guards work perfectly for winter coyote hunters as well. As the final pieces are assembled into a lower half of what will be the final rifle, this lower half could also be matched to an endless combination of barrel lengths, barrel contour, hand-guards and calibers.

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 vehicle with rifles and take them away to the range. Shooting from the back of the van, each and 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 are not accurate? With barrels provided by Wilson Barrel, the principal appeal of Rock River Arms rifles is that they shoot significantly better than advertised.

It's not often you hit upon a seriously excellent Entry rifle at a very reduced selling price. Most of the time your pressured to forfeit price for quality. Seems to be like things are changing. Recently I ultimately purchased my Rock River Arms AR-15 AR15 Model BB2502 Rock River Arms Entry Operator 2 through my favorite neighborhood transfer dealer. I've been saving my firearm funds for about a year.Since I started reading web content about the Rock River Arms AR-15 AR-15 BB2502 Entry Operator 2 and got a chance to fire my neighbors at the area range, I could tell I had to have one. I have not had a chance to fire the Rock River Arms Entry Rifle AR15 Model BB2502 Rock River Arms yet, but I've recently been amassing a number of add-ons for the Rock River Arms Entry Rifle AR15 BB2502 Entry Operator 2 while I was conserving my funds.

The Rock River Arms Entry Rifle AR15 Model BB2502 Rock River Arms Entry 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 touted 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 do not have child-size hands, and they encourage poor shooting technique by putting the second joint of the finger on the trigger. Replacement 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 appearance of the mil-spec design better probably because its what I am accustomed to. When I first acquired the Operator and tried the trigger, I was really astonished. 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 lbs -not what I was expecting at all. This was right before I realized that all the Operator rifles come equipped with Rock River Arms well-respected two-stage National Match trigger system, which features a lightened hammer.

The light, two-stage trigger was a real advantage in speed drills, but not as much as when shooting the Operators from the bench. If you've ever had to wrestle with a heavy, gritty AR trigger when trying to shoot groups, you know just how difficult that can be.

Here are the specific features when shipped from my web based dealer.

Manufacturer Rock River Arms
Model: Entry 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-8.0 pounds (depending on hand-guard style)
Hand guard: Varies between models with Half Quad Midlength / Half Quad Carbine/ Full Quad Carbine)
Stock: RRA Operator CAR compartment stock, ERGO Sure Grip pistol grip
Sights: post front; wind age-adjustable rear aperture
Trigger: RRA National Match, 4.5 pounds pull
Sale Price: $1,000.00 , Retail $1,515.00

Accuracy Results - Rock River Arms Entry Rifle AR15 Model BB2502 Rock River Arms Entry 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 vicinity desired 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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