Enjoy free shipping during the holidays! Shop now and get
Free Value Shipping
on most orders over $49 to the contiguous 48 states, DC and to all U.S. Military APO/FPO/DPO addresses.
Enjoy Our Extended FREE RETURNS
We want to ensure that making a return is as easy as possible! With our Hassle-Free, Extended
Holiday Returns, eligible orders placed from November 12, 2025 on will benefit from an extended
return deadline (January 13, 2026 or 30 days after receipt of your order - whichever is later).
We'll even cover the cost of return shipping. Learn more about our
Return Policy.
Please Enable Your Browser's Cookies Functionality
Cookies are not currently enabled in your browser, and due to this the functionality of our site will be severely restricted.
Web browser based cookies allow us to customize our site for you, save items in your cart,
and provide you with a great experience when shopping OpticsPlanet.
Your privacy is important to us, and any personal information you supply to us is kept strictly confidential.
If you cannot enable cookies in your browser, please contact us — we are always here to help!
JavaScript is blocked by AdBlocker or ScriptBlocker
We're sorry - it looks like some elements of OpticsPlanet are being disabled by your AdBlocker.
Unfortunately we are unable to offer our excellent shopping experience without JavaScript.
Please add "opticsplanet.com" and "https://opl.0ps.us/assets-ac483a73966/" to whitelist,
or disable AdBlocker for this site (please note that we do NOT feature any annoying ads on this website).
Thanks!
Your Browser is Outdated
Unfortunately, we are unable to provide an excellent shopping experience on your browser because it lacks modern functionality needed for us
to provide a fast, secure, and enjoyable experience. If you cannot upgrade your browser or use an alternative device to visit us,
please contact us at +1-800-504-5897 and we'll be happy to assist you over the phone!
Rival Arms Magazine Release for Sig 320 Up to 14% Off and Coupon Available — 2 models
There is no reason to give a product 1 star because it doesn't come with an item. There isn't one in the picture nor the description, so the fact that it doesn't have one I'm the package doesn't rate a Karen review it rates a call to optics planet or...
Read More...
I purchased this because it listed both on this site, and the manufacturer's site that it came with a spring. I was building a pistol and figured that was 1 less part to buy, so I went this route. The release is average quality, nothing spectacular, ...
Read More...
Eligible models will have a savings offer. Apply coupon and add the item to your cart for savings on that select model! Limited time only. Cannot be combined with other promotions or offers.
Help support American manufacturing! Marked models of this product have gone through rigorous review and been certified by the manufacturer as Made in the USA.
Compare
Compare
Compare
Compare
Compare
Product Info for Rival Arms Magazine Release for Sig 320
Upgrade your Sig 320 with a Rival Arms Magazine Release for Sig 320 to get an instant mag release that will give you the confidence to load magazines until the last possible second. These Gun Parts by Rival Arms are all made from durable aluminum and let you choose a solid lock color to make your Sig Sauer P320 or P320R look better. The Rival Arms Sig 320 Mag Release is easy to install on your own or with the help of a qualified gunsmith. For a reliable mag release that will greatly enhance your shooting experience, choose the Rival Arms Sig 320 Mag Release.