Make/Model Valuation Guides Sig Sauer M18
Published: May 26, 2025 | Updated: September 13, 2025
Curious about how much your Sig Sauer M18 is worth? Whether you’re looking to sell or simply understand its worth, we’ll help you assess the market value of this iconic and reliable pistol.
Based on current market trends, a Sig Sauer M18 in very good to excellent condition typically retails for between $400 and $500.
Sig Sauer Quality
A compact version of the M17, the M18 is the official sidearm for various US military branches.
Its shorter slide and barrel make it suitable for concealed or open carry while preserving the modular P320 features.
At WeBuyGuns.com, we understand the market value of these firearms and are committed to providing you with a fair and competitive offer. Submit your Sig Sauer M18 today for a free valuation and let us make an offer that reflects the quality and legacy of your firearm.
The Sig Sauer M18 is available in a variety of models and configurations, each catering to different shooting needs and preferences. Below are some of the most popular variants, each offering unique features:
M18 Standard
Civilian equivalent of the military’s compact sidearm, featuring a manual safety.
M18 Commemorative
Limited production run matching the exact features delivered to the US Air Force, Navy, etc.
Don’t see your specific model listed? No problem!
We value firearms of all types, whether they’re common or unique.
Start your free, no-obligation offer!When determining the value of your Sig Sauer M18, several factors come into play. Here’s what we consider:
Condition:
Firearms in excellent condition — clean bore, minimal wear, and no significant damage — will command higher prices.
Accessories:
Adding accessories, optics, additional magazines and having original packaging can increase value.
Rarity:
Limited edition and vintage Sig Sauer models in pristine condition often have added value.
Market Demand:
Popular models perform well on the market due to their practicality and widespread use.
Original Box & Documentation:
Presence of the original Sig Sauer box or case can increase offer value, lack of the original box will typically decrease the offer value.
Aftermarket Modifications:
Aftermarket modifications and finishing can affect offer values but rarely add significant value in the secondary market.
Our mission is to make the process of selling your firearm as easy and convenient as possible.
Selling a firearm can be time-consuming and legally complex. At webuyguns.com, we streamline the process by purchasing directly from you, saving you time and ensuring a legally compliant, hassle-free transaction. With decades of experience, we provide fair market evaluations and encourage you to compare our offers locally to see the value we bring.
Step 1
Tell us what you have
Fill out a short form and upload a few photos. This helps us identify what you have.
Step 2
We verify your make & model
We review your information and images to assess the condition and value of your firearm.
Step 3
We make an offer
We’ll provide an offer on your firearm and, if accepted, provide a shipping label.
Understand the process of selling a firearm in your state with our in-depth guides. We break down local, state and federal regulations while providing the resources you need for a smooth, legal transaction.
Curious about your firearm’s value or what current market pricing is? Our manufacturer specific valuation guides provide insights into pricing, demand and key factors that affect value—helping you sell with confidence.
