Support & Warranty

Adams Arms Lifetime Warranty


Adams Arms has a Lifetime Warranty on all of its piston driven system parts and guarantees all parts of this product for life against manufacturer defects. Misuse or incorrect handling is not covered. If your unit cannot be repaired, Adams Arms may replace it with new or reconditioned merchandise, with items that are in line with our current Product line. Adams Arms will not pay for loss of time, inconvenience, loss of use, its failure to work, injury or any incidental or consequential damages.


The warranty is void if the parts are used in a manner they are not intended. (Examples of this would be using Adams Arms parts in another manufacturer’s piston system, or making modifications to the Adams Arms piston system.)


In the rare event a customer receives a defective item; they are to contact Adams Arms for warranty information. Contact Adams Arms either by phone or the email address listed below and describe the circumstances of your problem. Should you need replacement parts or warranty work, Adams Arms will cover the cost of parts and labor, but does require shipping to be paid by the customer.


The majority of the problems associated with Adams Arms Retro-Fir Piston Systems are caused by installation or user error. Be sure to thoroughly read the installation instructions and watch the installation video before installing the system. If there are any questions concerning the instructions, contact Adams Arms and ask for clarification before proceeding with the installation.

Adams Arms strives to achieve the highest customer satisfaction. In the event that a product is returned to Adams Arms for inspection and/or repair/replacement, please allow an average of 8 weeks for the warranty process to be completed.



Customer Service Contact Information:



Return/ Refund/ Cancellation Policies


If you are not completely satisfied with your new product, you can request a RMA (Return Merchandise Authorization) Form from Adams Arms within 30 days from the shipping date of your order. We do not accept a return if a RMA is not requested from us within 30 days from the original date of the shipment.


Adams Arms contact information for returns:




YOU MUST get a RMA from Adams Arms prior to returning the merchandise and receiving a refund. Include your original invoice (from Adams Arms) with your return letter explaining the reason for your return. Ship via UPS, FedEx, or US Mail; Insured and Return Receipt Requested. Credit will be issued for the item, minus full shipping charges and a 15% restocking fee.


ALL original materials must be included in your return. The cost of any materials NOT included will be deducted from the refund.




*Clearance, Demo/Test Models, Discontinued items, Blemished Items, or Gift Certificates are considered final sale and are not eligible for returns or refunds.

*Only items that are like new or un-used are eligible for refund.


Support Resources


Frequently Asked Questions


Owner’s Manual


Gas Length Diagram


Micro/Micro Adjustable Piston Kit Installation