The ultimate stop for AR-15 Rifles and AR-15 parts
We are one of the largest online sources for quality AR-10 and AR-15 rifles, parts and accessories. Shop our selection of complete and stripped Uppers and Lowers, find Barrels and Ammo for your firearms, gear yourself up with quality Gear and Apparel. We have it all!
Rainier Arms was started by enthusiasts for enthusiasts. We specialize in high-end AR-15/M16 rifles, parts and accessories. If we won't use it, we won't sell it.
We offer a wide variety of firearms and firearm parts from all your favorite manufacturers. Satisfy your needs from brands such as Glock, SIG, S&W, Primary Arms, Stag Arms, PWS, Rainier Arms and many others. Browse all manufacturers.
Great store for high-end firearms. Very very knowledgeable staff.„
Rainier Arms is my go to dealer for high-end AR15 parts and accessories online. They always have a great selection of parts in stock. Many you can't find anywhere else.„
Latest Blog Posts
FM Mike-102: This AK AR Hybrid Slaps
If you were watching social media during SHOT Show 2023 (and if you're reading this, you probably were), you likely saw Foxtrot Mike's AK AR hybrid, the Mike-102. What you might have initially picked up on is the third element in that alloy: the H&K part. ...
Posted By: rainierblog
Posted On: January 24 2023
"Weapons of War" (?) The Trench Gun
President Joe Biden has routinely spoken out against the AR-15 and described it as a "weapon of war". This is very much a talking point from the gun control lobby, which seeks to see the AR-15 and other modern rifles banned due to the similarity in appearance ...
Posted By: Peter Suciu
Posted On: January 10 2023
More ATF News: Restricting the 80% Lower Industry
The ATF has issued an open letter regarding 80% Glock pistol frames (aka the 90 percent "Glock lower"). It isn't a favorable message either, at least not to proponents of the Second Amendment and individual liberties in general. ATF Changes its Mind. Ag...
Posted By: Bucky Lawson
Posted On: January 01 2023
SilencerCo Sparrow 22LR Suppressor: Gateway to Guns
The SilencerCo Sparrow is more than just a 22lr suppressor. It's a gateway accessory, and here's why: the single biggest tool available for teaching shooting skills is a suppressor. Hands down, the edge that a good silencer can take off of any round will make ...
Posted By: David Higginbotham
Posted On: December 27 2022