In addition to improved production by established AR15 suppliers, each and every firearm supplier that has a heartbeat seems to be producing some model of an AR-15 today. 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 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 in excess of 90 folks. Although Rock River produces rifles for several federal government agencies, the actual majority of their product sales are to the civilian sector. Rock River Arms offers fifty or so designs of weapons, however customers can make up their personal configurations, making use of numerous components alternatives - sights, rails, stocks, barrel length and contour, and more. Rock River will additionally include accessories like flashlights and red dot sights. Rock River Arms is like an a la carte workshop for firearms. Rock River doesn’t make many parts on site. Rock River designs and specifications components, then receive them, perform inspections, finish them, assemble them into weapons and ship them out. The Rock River Arms facility is complete with a buffing and blasting area, where raw forgings become completed parts. Rock River Arms is genuinely 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 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 purchase 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 production 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 gun should close over the green “go” gauge but not close over the red “no go,” which is slightly oversized. Cartridges can rupture, at times 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 desired 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 doesn’t 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.
Once uppers and lowers are joined to complete the final rifle configuration they are tagged and ready for test firing. All rifles are custom built according to customer specifications.
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’re 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.
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 rifle testers load the Rock River vehicle with weapons and take all of them out to the range. Shooting from the back of the vehicle, 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 aren’t accurate? With barrels provided by Wilson Barrel, the primary appeal of Rock River Arms rifles is that they shoot much better than marketed.
The fit and finish of the Operator 2 firearms are fantastic and decidedly a step above the standard, rack-grade, Parkerized mil-spec AR on the market today, although they are slightly more expensive than those inferior grade models. The Operators upper and lower receivers fit together so securely I needed 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 tag that way back when would have been unheard of. The Rock River Arms AR-15 AR-15 Model BB2522 Rock River Arms is designed 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 AR-15 BB2522 Operator 2 also involves such superior quality advances as rugged fixed rear sight and flip forward sight to give additional ruggedness and aesthetic appeal. With the forward flip sight feature, the Rock River Arms AR-15 AR15 BB2522 Operator 2 is all set for action to further incorporate a scope or red dot.
The Operator butts tock is a six-position CAR-type assembly with leak-proof storage compartments and numerous sling attachment points. The stock has a ribbed rubber butt pad that slides down with a push-button release to uncover 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 selection of four rear sights: a traditional bolt-on A2 carry handle; a stand-alone rear sight; a RRA Dominator2 with an elevated 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 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 paired with an EOTech 512 (AA battery model). For accuracy testing I used a Trijicon 4x32 ACOG with no sights.
The light, two-stage trigger was a tremendous asset 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 hard that can be.
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
Notes: Accuracy results are the averages of four five-shot groups at 100 yards from a sandbag rest. Velocities are averages of three shots measured with an F-1 Alpha chronograph 12 feet from the muzzle. Abbreviations: FMJ, full metal jacket; HP, hollowpoint; SP, softpoint.
It is easy to get great groups from a average rifle if it has a great trigger, but put a tack-driver with a gritty eight-pound trigger in anybody's hands, and they will be lucky to stay on paper. The Rock River Arms Operator rifles are not just inherently accurate (that's one plus to the AR design), they are equipped with quality triggers that enable the user to get the most out of them.
Rock River Arms AR-15 AR-15 BB2522 Operator 2 has a list price of 1515.00. I ended up ordering it over the internet for much less. Many dealers in my location wanted list price ... plus which did not set well with my financing plan. I purchased my Rock River Arms AR-15 AR-15 Model BB2522 Rock River Arms Operator 2 from Class 3 Weapons at a substantial cost savings. Rock River Arms is at present promoting the Operator rifles as a package deal, with the rifle of your choice equipped with its National Match two-stage trigger, any one of four rear sights, a one-inch or 30mm Hi-Rise scope mount, two 30-round magazines and a case. These packages start at an incredibly economical price of $1,000 according to the RRA factory website. I ended up purchasing it online for much less. Most dealers in my location desired retail plus which did not set well with my budget. I acquired my Operator from Class 3 Weapons in Houston Texas at a substantial savings of only $969.00 which included shipping. Based on where you live your cost will deviate based on shipping and taxes if relevant. For the time being, thanks Rock River for a awesome firearm and keep up the good work. I'm off to the local community firing range to discover what this power house can do again.
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