Returns/Cancellations

Please note that we do not permit the return of the following products:
   1. Special orders and products that are custom configured to your specifications.
   2. Products sold "as is" or "used" or that have been installed or used after receipt.
   3. Firearms, once transferred to buyer.
   4. Illumination devices, electronic sights, optics and night vision equipment.

All items are sold in “as is” condition unless otherwise specified. Proteus Armaments, LLC represents every item accurately and with detail. If you feel that the item you have purchased has been incorrectly represented please contact us and we will make it right. To reiterate - once a firearm, used or not, is transferred to the buyer it is NON-RETURNABLE under any circumstance. 

If any order or part of an order is canceled before the ATF Form 3 is filed there will be no charge.

Credit card processing fees are non-refundable under any circumstances.

Orders cancelled before a shipping label has been created for non-NFA items will not incur any penalties. Once a shipping label has been generated, the order can not be cancelled and will be shipped. Orders containing NFA items that are cancelled before submission of an ATF Form 3 (or Form 5 if a LE Drop Ship) will not incur a penalty. Orders cancelled once ATF paperwork has been submitted will incur a 25% restocking fee for withdrawing the ATF paperwork, and having to pull your order and restock any items. This policy is non-negotiable.



NOTE: We recommend that you use a carrier that offers shipment tracking for all returns, and either insure your package for safe return or declare the full value of the shipment so that you are protected if the shipment is lost or damaged in transit. If you chose not to use a carrier that offers tracking and insure or declare the full value of the product, you will be responsible for any loss or damage to the product during shipping.

The United States Postal Service (USPS) offers limited tracking capabilities and that there is a 30-calendar-day waiting period before USPS will initiate a trace. The customer is responsible for shipping charges both ways on returns, as well as for shipping charges on shipments that are refused.

Sitewide Flat Rate shipping will always choose the cheapest carrier service that can legally ship your items and falls within the shipping price paid.


PROTEUS ARMAMENTS, LLC IS NOT RESPONSIBLE FOR PROCESSING DELAYS CAUSED BY FAILURE TO FORWARD A VALID SIGNED COPY OF THE RECEIVER'S FFL AND SOT

Surplus and Used Parts

Proteus Armaments, LLC sells used gun parts without making a prior determination to the amount of use, wear, breakage, or alteration that may be exhibited in surplus/used parts. Variations within used parts are dependent upon the original manufacturer(s) for the weapons contract, the country of origin, the year(s) of manufacture, storage conditions, etc. Not all firearm parts are interchangeable. Use of surplus parts without proper knowledge could cause a firearm to malfunction and cause property damage, injury, or death. Parts must be inspected and tested by qualified, competent, and professional gunsmiths or armorers before use in a firearm.

Parts and Magazine restrictions

It is the customer's responsibility to know and comply with the laws in his or her jurisdiction prior to purchasing or using Proteus Armaments, LLC products.


Due to Federal and State laws, we are unable to ship certain items to certain states; this list is non-exhaustive and subject to change. If you live in one of these states, and have these items in your cart, you must remove them to continue the checkout process. Magazines will be removed from kits, bundles, etc. if it is illegal to possess at the shipping destination. There is no exception to this rule; we do not pin, disassemble, ship to a different state, refund, and will not honor any Dealer or LE exemption. We hope in the future that these attacks on the 2nd amendment will be repealed but we must comply with all laws until then; we hope you understand.

Restrictions by State
California: Magazines capable of holding more than 10 rounds. Cal. Pen. Code § 16740: A “large capacity magazine” means any ammunition feeding device with the capacity to accept more than 10 rounds, but shall not be construed to include a feeding device that has been permanently altered so that it cannot accommodate more than 10 rounds, any tubular magazine that is contained in a lever-action firearm, or any .22 caliber tube ammunition feeding device.

Colorado: Magazines capable of holding more than 15 rounds. HB1224: (I) A fixed or detachable magazine, box, drum, feed strip, or similar device capable of accepting, or that is designed to be readily converted to accept, more than fifteen rounds of ammunition; (II) A fixed, tubular shotgun magazine that holds more than twenty-eight inches of shotgun shells, including any extension device that is attached to the magazine and holds additional shotgun shells; or (III) A non-tubular, detachable magazine, box, drum, feed strip, or similar device that is capable of accepting more than eight shotgun shells when combined with a fixed magazine.

Connecticut: Magazines capable of holding more than 10 rounds. Conn. Gen. Stat. § 53-202p(a)(1): Connecticut law defines “large capacity magazine” to mean any firearm magazine, belt, drum, feed strip or similar device that has the capacity of, or can be readily restored or converted to accept, more than 10 rounds of ammunition.

Hawaii: Magazines capable of holding more than 10 rounds. Haw. Rev. Stat. Ann. § 134-8(c): Hawaii prohibits the manufacture, possession, sale, barter, trade, gift, transfer, or acquisition of detachable ammunition magazines with a capacity in excess of 10 rounds which are designed for or capable of use with a pistol. The ban does not apply to magazines modified to accept 10 rounds or fewer.

Illinois: Any magazine over 10 rounds

Maryland: Magazines capable of holding more than 20 rounds. Md. Code Ann., Crim. Law § 4-305(b): Maryland prohibits anyone from manufacturing, receiving, purchasing, transferring, selling, or offering for sale any detachable magazine that can hold more than 20 rounds of ammunition for a firearm. The ban does not apply to .22 caliber rifles with a tubular magazine (Md. Code Ann., Crim. Law § 4-305(a)).

Massachusetts: Magazines capable of holding more than 10 rounds. Mass. Gen. Laws Ch. 140 § 121: A (1) fixed or detachable magazine, box, drum, feed strip or similar device capable of accepting, or that can be readily converted to accept, more than 10 rounds of ammunition or more than five shotgun shells or (2) large capacity ammunition feeding device as defined in the now-expired federal Public Safety and Recreational Firearms Use Protection Act as it appeared on September 13, 1994.

New Jersey: Magazines capable of holding more than 10 rounds. NJ Stat. Ann. § 2C:39-1y: A box, drum, tube, or other container that is capable of holding more than 10 rounds of ammunition to be fed continuously and directly into a semi-automatic firearm.

New York: Magazines capable of holding more than 10 rounds. NY Penal Code §§ 265.00(23), 265.02(8) & 265.10: New York prohibits the manufacture, transportation, disposal, and possession of large capacity ammunition feeding devices. Prior law defined a large capacity feeding device as “a magazine, belt, drum, feed strip, or similar device” manufactured after September 13, 1994 (the date the now-expired federal assault weapon and large-capacity magazine ban became effective), “that has a capacity of, or that can be readily restored or converted to accept, more than ten rounds of ammunition.” It excludes attached tubular devices designed to accept and capable of operating only with .22 caliber rim fire ammunition.

Major firearm components to Felons and or person(s) issued a temporary or final extreme risk protection order. § 3. Section 265.01 of the penal law "Scott J. Beigel unfinished receiver act" - "Such person possesses a major component of a firearm, rifle, or shotgun and such person is prohibited from possessing a shotgun or rifle"

Oregon: Any magazine over 10 rounds. C&R FFL's will not be honored in Oregon.

Vermont: Magazines capable of holding more than 10 rounds for a rifle and more than 15 rounds for a hand gun. VT. Gen. Law Act 94/S.55 13 V.S.A. § 402:A person shall not manufacture, possess, transfer, offer for sale, purchase, or receive or import into this State a large capacity ammunition feeding device. “Large capacity ammunition feeding device” means a magazine, belt, drum, feed strip, or similar device that has a capacity of, or that can be readily restored or converted to accept: more than 10 rounds of ammunition for a long gun; or more than 15 rounds of ammunition for a hand gun. It excludes an attached tubular device designed to accept, and capable of operating only with .22 caliber rimfire ammunition.

Washington State: Magazines capable of holding more than 10 rounds - Senate Bill 5078. Components for fully automatic fire. Parts Kits ordered will have these parts removed or replaced prior to shipping. Wash. Rev. Code Ann. § 9.41.190(1): Washington prohibits any person from manufacturing, owning, buying, selling, loaning, furnishing, transporting, or having in his or her possession or under his or her control any machine gun, or any part designed and intended solely and exclusively for use in a machine gun, to convert a weapon into a machine gun, or to assemble or repair any machine gun.

Washington D.C.: Magazines capable of holding more than 10 rounds. D.C. Code Ann. § 7-2506.01(b): D.C. defines a “large capacity ammunition feeding device” as a magazine, belt, drum, feed strip, or similar device that has a capacity of, or that can be readily restored or converted to accept, more than 10 rounds of ammunition. The term does not apply to attached tubular devices designed to accept and capable of operating only with .22 caliber rim fire ammunition.

NFA Restrictions

It is the sole responsibility of the purchaser to abide by their state’s laws and ordnances pertaining to NFA items. Contact your local police department or AG in order to establish legality of NFA items in your jurisdiction. *All NFA sales will comply with local and state laws and will not be shipped to any restricted areas.*

Website Disclaimer

Other items available for sale not listed on this website include discontinued parts or parts for firearms no longer produced. Please contact us if you have any questions regarding parts for firearms no longer produced (such as Vietnam era upper receiver units, obsolete fire control parts, etc.).

All items on this website are subject to change without notice. This includes item availability, one-of-a-kind items, and pricing.

Used Firearms

The seller provides all descriptions for used and military surplus items. All descriptions for used items are honest and based on actual items being offered for sale. Items being sold in this manner will be marked as such. All sales on used and military surplus items are final. Photos will be provided when available. All machine guns are considered used unless otherwise noted. All suppressors are considered new unless otherwise noted.

Machined Parts

The use of machined parts developed, designed, manufactured, or caused to be manufactured by Proteus Armaments, LLC is at sole risk to the individual purchasing. There is inherent risk involved in the use of parts machined for firearms. By agreeing to the terms and conditions of sale, you are agreeing that the risk is solely on the you the purchaser for any harm caused by the use or misuse of machined parts detailed previously. Proteus Armaments, LLC, its owners, affiliates, employees, sister companies, parent companies, manufacturing partner(s), and all other related divisions are not responsible or liable for bodily harm, damage to private property, and all other instances of  "risk" by the use or misuse of the machined products detailed previously.

General Firearm Sales

All firearms, magazines, receivers and restricted law enforcement items are sold and shipped in accordance with all existing federal, state and local laws and regulations. Many of the firearms, magazines and parts for sale on this website may be restricted or prohibited in your area. Please check your local and state regulations before ordering. You must be 18 or older to purchase a long gun and 21 or older to purchase a handgun per ATF rules, but state and local laws may differ and you will need to check your local laws before purchasing a firearm. All NFA items transfer to your preferred SOT on an eForm 3. No Title 1 or Title 2 firearms will ship without a FFL and/or SOT being forwarded to the requested email at time of purchase. Failure to provide documentation within 5 business days will result in cancellation of your order.

All new firearms are shipped in the original manufacturer's box, with magazine(s), accessories and applicable warranty. Firearms requiring warranty work must be returned to the factory within 1 year of purchase for repair. Accessories and special order items not normally sold by our store will not be covered under warranty even if these products are part of an integrated firearms package, unless we have guaranteed the entire package in writing. Please contact the original manufacturer for warranty information on all accessories and special order items.

Customer Service

If you encounter any problems with your order or the checkout process, or if you have any questions about the status of your order, simply contact our customer service staff through our Contact Us page.

Consumer Data Privacy

We respect your privacy and are committed to protecting it.

The Credit Card Billing Information, Shipping Information, and Contact Information in our checkout process are required in order to process your order and deliver the product to you. We store some information for accounting reasons. Your information will not be shown to third parties not involved in the transaction, nor used to send you any unrequested information. The entire Checkout process is handled through a secure SSL-encrypted connection.

The Credit Card Billing Information is sent directly to our payment provider who processes your credit card transaction. The credit card information is neither recorded nor stored by us, and it can only be accessed by our payment provider. Each transaction has a very high level of security. Your credit card details are sent directly to the payment provider over a secure SSL-encrypted connection. They are not processed on our servers at any stage of the transaction, nor are they stored on our server.

Secure Transmission

All information collected during the checkout process is transmitted via industry standard Secure Sockets Layer (SSL) featuring 128-bit encryption. A Secure Sockets Layer (SSL) Certificate creates an encrypted link between a website and a visitor's Web browser. This link ensures that all data passed between the website and the browser remains private and secure.

Order Fulfillment

All orders are shipped promptly from our warehouse or in-store inventory within 3 - 10 business days using UPS, FedEx, or USPS. Tracking numbers are available for items shipped via UPS and FedEx.

Online Price & Description Errors

Our online inventory changes every day. Occasionally an item may appear on the site by mistake or the item's description may contain a typographical error. We do not guarantee that titles, descriptions, pictures or prices on our site are error-free. We reserve the right to refuse any order including but not limited to orders for items with errors in the description or price. In the event that we cancel an order we will not charge the customer's credit card or we will refund the money.

If an item's description contains an error such as incorrect photo, price, accessory or description and a customer makes the order, we will not process the order without first contacting the customer. If the order is mistakenly shipped, we may advise the customer to return the item in an unopened condition and we will refund the customer. By placing an order, the customer agrees that Proteus Armaments, LLC will be the final arbiter of discrepancies in the online catalog.

Ammunition Purchases

You must be 18 or older to purchase rifle or shotgun ammunition and 21 or older to purchase handgun ammunition. All ammunition will be shipped UPS ground with adult signature required. Always make sure to use the correct ammunition for your specific firearms. Check your local laws for any other regulations. *All ammunition sales will comply with local and state laws and will not be shipped to any restricted areas.*

Mailing List