Dark mode is


Do you accept transfers from other Dealers?

We do! Many online retailers will already have our license on file, if they do not please let us know your order number and who you are ordering from and we will send them a copy of our FFL.

By using Rainier Arms as your transfer dealer, you agree that you will start your paperwork within 30 days of the firearm arriving at our storefront. Transfers that have not been started within 30 days will be subject to a $5 per day storage fee. If your storage fee exceeds the invoiced value of the firearm, the firearm will become the property of Rainier Arms to destroy or sell.


How do I order a firearm?

The only difference between placing an order for a firearm and other products is at checkout. At checkout, you will be prompted to select a local dealer to ship your firearm to. Please note that the provided list is only dealers that have requested to be listed. If your dealer is on the list, you can select them and then proceed to check out like normal. 

If your preferred dealer is not listed, please put your dealer’s name, address, and contact information (phone or email) in the delivery notes box, and we will reach out to them for their license prior to shipment.

If you do not select a dealer, and do not provide us their information in the delivery notes, you will receive an email instructing you to have your dealer send their FFL to us referencing your name and order number to [email protected] or fax it to 253-218-2998. 

If your dealer does not reference your name or order number, it will increase the processing time of your order and delay shipment. 

Orders with firearms take several business days to process once we have your dealer’s license. Please keep this in mind when selecting a shipping method. 

Ensure you use ONLY the information of the person doing the background check. We will not modify invoices to reflect a different name.

Please contact us at [email protected] if there are any other questions or concerns regarding firearm orders.



ATF Form 1 Creating or Manufacturing your own Short Barrel Rifle FAQ



How do you handle pricing errors?

There are two main pricing errors and, in each instance, we reserve the right to cancel the order. The first is an item mis-priced due to system issues and/or human unintentional error. The second is the manipulation of our website in order to check out at a lower price. In the event, it is a human error or system error we contact you to discuss and explain. In the event we have identified tampering with our site we will cancel the order with or without notice as well as take means necessary to circumvent and restrict your use of our site going further.

Should you encounter a price that looks too good to be true please contact us at 877-556-GUNS (4867) or email [email protected] before placing your order.


How do you handle price changes?

Prices on our website will change without warning to stay in line with current market demand, price changes from the manufacturer, or for sale pricing. If the price on an item decreases within one week of your order being placed, we will refund the difference. If your order is between one week and one calendar month old, we will apply the price difference to your account as store credit. After one calendar month no refunds or credits will be applied to reflect price changes. If the price of an item increases due to a sale ending or the manufacturer raising our cost, we will not be able to honor the previous price.


Why am I receiving a “Gateway Error” when I am checking out?

Our system is set up to immediately charge your payment information once the order is placed to avoid any credit card information from being saved in the database.

The following may be the cause of you receiving this error message:

  1. Your billing address does not match your credit card’s billing information.
  2. Your billing zip code should only require the first 5 digits, additional digits in your zip code will disrupt the transaction.
  3. Your bank or creditor may be putting a stop to the charges.
  4. Insufficient funds in your payment account.
  5. You are using a card other than MASTERCARDVISA or DISCOVER

If none of these factors apply to you, please give us a call and we can help you with the transaction.


Will you ship AR-15 Lowers or AR15 Complete Rifles to my state?

Ultimately if we can ship to you will depend on your local dealer and if they are willing to accept the transfer and make the firearm legal in your state (if required). At this time we are not able to modify firearms for state specific legality.


I'm an LEO/Active Military, how do I qualify for your additional discounts?

Please visit our page  Here for instructions on receiving this discount


You've changed my status to LEO/MIL. Why am I not seeing lower prices?

Please log out and back in to ensure that you are seeing up to date pricing. In the event the product you are looking at is already discounted, the discounts will not stack, and the website will only show the lowest current price for you.


Do you have the item in stock? / When will this be back in stock?

Our website is designed to have live inventory which means that if you can add the item to your cart, we have it in stock. With as many products as we carry, we do make mistakes occasionally, however in that case we will notify you as soon as we discover the error.

We cannot provide timelines on out-of-stock items and would encourage you to put your email into the notification field on the product page to receive an automated email when the item is available again.


What is my order status? / When will my order ship?

Please note that the below timelines are what we normally expect. If we are experiencing longer than normal ship times that information will be on the Rainier Arms front page

All orders with firearms will ship within a few days of receiving your dealer’s license. 

EXPEDITED orders without firearms placed BEFORE NOON (12:00PM) PACIFIC TIME will go out that same business day. Expedited orders placed after noon (12:00pm) PACIFIC TIME will NOT go out the same day but the following business day.

STANDARD orders will generally ship within 1-2 business days of being placed, however this will depend on order volume. If you would like to know current lead times on shipments, please call us.

Once your order has been picked up, you will receive an email with the tracking number for your package. We do ship out of multiple warehouse locations, and you may receive multiple emails with tracking numbers. 

If you have not received a shipping notification in the above time frame, please check your spam and promotions folders for emails sent from [email protected]. Your email may have marked our emails as spam, or we may be waiting for additional information from you prior to shipment.


Extended lead-time shipping:

Please note the following types of orders will not ship within the normal shipping timelines:

Pre-Orders. When offered, pre-ordered items will have an ESTIMATED ship date, dependent upon the manufacturer. While we strive to provide correct and up to date information, we cannot anticipate all issues that may arise with pre-orders. 

Drop Ship items: Items that are shipped directly from the manufacturer will require additional shipping time and will likely take longer to ship than items we are shipping directly from our warehouse.  

Gunsmithing: Orders that include gunsmithing will ship when the gunsmithing is complete and has passed QC. For current estimated lead times for your work, please call or email us.


Only part of my order arrived, where is the rest?

We ship out of multiple warehouse locations, and you will receive a tracking number for each package that is shipped to you. If you have not received an additional email with tracking, or your packing slip indicates you should have received more products than you did, please call or email us. 


Are these parts compatible? 

While we make every effort to test products and ensure they are compatible with other items we carry, we are not able to test everything. We are more than willing to assist you if you call or email us, but we may not have the answer, and you may need to contact the manufacturers of the two components to be sure. 


I live in a state with magazine capacity restrictions, but am exempt from these restrictions. How can I order from you? 

If you are in a state with magazine restrictions, we can ship to you if:

  • You are a licensed FFL and are having the magazines shipped to your place of business.
  • You are active-duty law enforcement and we are shipping to your department address.

Please ensure that you already are setup with a Dealer or LEO/Mil account with us prior to placing your order.


Shopping from a dealer (Rainier Arms, LLC.) vs directly from a manufacturer:

We are an authorized dealer for all inventory that we carry. We sell the latest AR-15 rifles and parts from most major manufacturers and our volume of business allows us to offer our customers very competitive pricing. We received the 2009 "Dealer Of The Year" award from Noveske as well as Daniel Defense's 2009 "Top 5 Distributor Of The Year" designation along with many other manufacturers. You can work with manufacturers direct, but you'll find that our prices are better than many of the distributors’ manufactured suggested retail price. So by purchasing from Rainier Arms, LLC., your rifles/parts are still warranted from the manufacturer the same as purchasing directly from them, but also backed by Rainier Arm's industry-leading customer service and support.


In a .308 AR, can I mix and match parts?

Between the DPMS & Armalite AR10, Headspace is about .004 different. The length of the extension is different. The length of the tenon on the barrel is different. The length from the front of the extension to the bolt nose is different. The firing pin hole is a different size. The firing pin length is different. The length of the gas system is different. Some of these differences are only a couple thousandths, other greater, but they are different. Yes, some of the parts you can get away with changing, but others, such as the firing pin, will cause an unsafe condition. The rule of thumb is to use the same manufacturer for the bolt carrier group & barrel. Meaning, if you are using a DPMS barrel, use a DPMS bolt carrier group, etc.

Google Customer Reviews Google Customer Reviews