Your Gun Vault

One login. All six platforms.

gunprice.com/ › Gun Value Guides › Glock Values › Glock G31 Value
Glock G31 Value Guide — 2026

What Is My
Glock G31 Worth?

The Glock G31 full-size .357 SIG — law enforcement performance. 2026 values.

Get My Glock G31 Value →

2026 Private Sale Value

Glock G31 — 2026 Private Sale Market

The Glock G31 in .357 SIG was adopted by numerous state police agencies attracted to the caliber’s velocity and terminal performance. As agencies transition to 9mm, G31 trade-ins are available at accessible prices.

Typical Private Sale Range — 2026
G31 Gen 3 LE Trade-in: $350–$460 | G31 Gen 4: $380–$490

.357 SIG devotees specifically seek the G31 for its velocity advantage. Niche but consistent demand. Use gunprice.com/ for your exact private sale value before you list.


All Variants

Glock G31 Variants & Configurations

Click any variant for a free AI-powered private sale estimate.


Value Factors

What Affects Your Glock G31 Value?

Caliber — .357 SIG smaller buyer pool than 9mm.
LE Trade-in — Known quantity — maintained actions despite holster wear.

Dealer trade-in: 40–60% of private value. gunprice.com/ gives you the full private sale number.


Sell Privately

How to Sell Your Glock G31

1gunprice.com/ — Free AI valuation
2GunClear.com — $10 FBI serial number check
3GunShare.com — Free listing to verified buyers
4GunTransfer.com — Legal transfer $50 flat
5GunVault.co — Document your collection

FAQs

Glock G31 Value FAQs

What is a Glock G31 worth in 2026?
A Glock G31 LE trade-in sells privately for $350–$460. .357 SIG has a smaller but devoted buyer pool. Get your exact estimate at gunprice.com/.
How much less will a dealer offer vs a private buyer?
Dealers offer 40–60% of private market value. gunprice.com/ gives you the private number. GunShare.com connects you with buyers who pay it.
Is it legal to sell my Glock G31 privately?
In most states yes. GunTransfer.com handles background check, bill of sale, lifetime records for $50 flat.
What accessories add value to my Glock G31?
Original case/box adds 5–10%. Extra magazines add $25–$50 each. Factory upgrades add more than aftermarket. Log everything in GunVault.co.
View All Glock Models →

The Complete Gun Owners Platform

01 — PRICE

GunPrice

Free AI-powered valuations. Any make, any model. Know your value before you sell.

Value My Gun →

02 — CLEAR

GunClear

Are You Buying a Stolen Gun? FBI database serial number check. Certificate included.

Check Serial # →

03 — SHARE

GunShare

List your firearm free. Reach verified private buyers nationwide. Every sale is fully documented and legal.

List My Gun →

04 — TRANSFER

GunTransfer

The legal way to sell privately. Background check, bill of sale & lifetime digital records. $50 flat.

Transfer a Gun →

05 — VAULT

GunVault

Your Guns, Your Legacy. Inventory, safeguarding, stories & succession planning for your collection.

Protect My Collection →


Buy, sell, and protect your firearms — in one platform.

What’s Your Glock G31 Worth?

Free AI valuation. 2026 market data. No signup required.

Get My Free Valuation →