RIA BIG ROCK – Meet the Beast of 10 mm pistol

Last updated: November 15, 2022

Finally, after years of research and development, we have tamed the Beast. Introducing the Rock Island Armory Pro Ultra Match 6-inch HC, aka the “Big Rock.” This is a full-size, high-capacity, 10 millimeter that packs quite a punch.

Why they call “big rock” ?

The Pro Ultra Match 6-inch HC pistol, nicknamed “the big rock,” is a large and heavy handgun. It weighs over 2 pounds, making it perfect for anyone who wants more power behind their shots.

With its six-inch barrel and high caliber ammo, the Big Rock pistol can take down even the most competitive shooting programs with ease.

The “big rock” is not only good for competitions, but it’s ideal for hunters too. It packs a punch while still reliable and powerful manageable handgun, with full 6 inch, 16 round capacity, adjustable LPA sights and fiber-optic front sight, extended mag all make this gun ambidextrous and easy to use even if you’re a beginner!


Rock Island Armory’s Pro Ultra Match 6-inch HC pistol is an excellent choice for recreational shooting, competition shooting, and hunting.

Based on the various uses for our guns and the survey results we gathered, it is likely that this gun will be the best option for you. Owners of this gun typically use it for the following purposes:

Competition shooting of ria big rock: The “Big Rock” is an excellent choice for competition shooting. Its accuracy, power, and capacity make it a top contender in any match. With its one-shot stopping power and extended mag, you’ll have the edge on your competitors.

hunting with ria big rock: The “Big Rock” is also a great choice for hunting. Its power and accuracy will take down any game, big or small. And with its 16-round capacity, you’ll be able to take down multiple targets without having to reload.

Recreational: Use the “Big Rock” for your next recreational shooting trip. It’s easy to use and great for plinking, and you’re guaranteed to have a blast with it. Plus, its secretly rare which makes it perfect for collecting. Your friends will be jealous when they see it.


ria big rock compare m1911
The front sight is a fiber optic, and the rear sight is adjustable.

The pistol features is fiber optic front sight and an adjustable rear sight, making it easy to get on target By having good visibility of fiber optic, you will be able to shoot effortlessly. If you miss your shot, it could cost you your life.


The G10 black material used to make the ria big rock grips not only ensure a solid grip, but also subtly camouflages the hunter in forest hunting deep forests. The manufacturing process for each piece creates a unique and random pattern, while the black Parkerized finish ensures that the gun will look good for years to come.

Action System

The action is semi-automatic, and the trigger pull is 4-6 lbs, making it easy to shoot for both inexperienced and experienced shooters. The Big Rock also features an ambidextrous safety, making it easy to use for left-handed shooters.

Weight and Dimensions


The Big Rock weighs in at 2.16 POUNDS, making it a bit on the heavy side. But with its 6-inch barrel, you’ll be getting increased velocity and accuracy and the overall length of the gun is 9.5 inches, and the height is 5.75 inches . So it’s not too big or too small, making it easy to carry and conceal.


The 10mm is the most powerful handgun, with a muzzle velocity of 1600 FPS and a muzzle energy of 728 ft-lbs. It’s also accurate, making it great for both competition shooting and hunting. If you can only carry one gun, we believe that the 10mm should be your only choice because it’s suitable for every situation.


The RIA Big Rock is a powerful 10mm pistol that is perfect for recreational shooting, competition shooting, and hunting. With its fiber optic front sight and adjustable rear sight, it is easy to get on target, and its semi-automatic action makes it easy to shoot. Plus, its G10 black grips ensure a solid grip and subtly camouflage the hunter. If you are looking for a versatile and powerful gun, the RIA Big Rock is the perfect choice for you.



The pros of the RIA Pro Ultra Match 6-inch HC pistol are as follows: it is extremely accurate, has a crisp trigger pull, and the grip feels great in your hand.

The con is that it is quite pricey. Overall, this is an excellent handgun that would be perfect for target shooting or self-defense.

where to keep gun for home defense ?

Answer: Rock Island Armory offers a limited lifetime warranty on all new firearms. This warranty does not cover wear and tear, accidental damage, abuse, or misuse. For more information, please visit the RIA BIG ROCK manufacturer’s website or contact customer service.

The original idea of this gun

The Rock Island Armory Big Rock pistol is a well-made and affordable option for those looking for a 1911-style handgun making it a good choice for home defense or target shooting. the Big Rock is an excellent value for the price and would make an excellent choice for anyone looking for a more quality than general M 1911-style handgun The Patriotism of the M1911: A Look at its History of Service

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