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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.
Great shop with easy order pick up for locals making online purchases.

Latest Blog Posts

  • The 2022 Midterms and the Gun Rights Outlook

    The “Red Wave” forecast for the 2022 Midterms did not come in. What did was in was effectively a low tide. Redistricting manufactured some wins for both sides, while some less-than-stellar candidates helped sink Republican hopes in the US Senate. We can an...

    Posted By: Bucky Lawson

    Posted On: November 20 2022

  • Gen 3 Vertx Bags and EDC Packs: Contemporary Carry

    The third generation of EDC packs and CCW bags from Vertx are now making their way into the wild. The first pack sortie includes the Vertx GAMUT, their READY PACK, and the NAVIGATOR. The company tells us,  “Life comes at you fast, but you take pride i...

    Posted By: rainierblog

    Posted On: November 15 2022

  • Lionheart Industries Regulus: Double Action Plus!

    Lionheart Industries, previously based in Oregon, is now headquartered in Georgia. Their REGULUS series of handguns is a line of American-made, hammer-fired pistols that use the “Double Action Plus” (DA+) operating system. Regulus models (the name is...

    Posted By: rainierblog

    Posted On: June 02 2022

  • Rainier Arms Response to NY City Settlement

    To our customers and the entire firearms community: As many of you know, Rainier Arms has always championed the Second Amendment and will continue to do so.  For example, on June 22 of this year, we — along with The Firearms Coalition and the Second ...

    Posted By: John Hwang

    Posted On: August 25 2022

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