Glock 21 Price: Lowest Tracked $300 (Aug 2025) · Price History & Alerts
Built from GunDealAlerts’ own price record — 12,567 tracked prices across 1,919 products from 891 retailers since 2024.
Price Distribution
The most recent Glock 21 deal tracked on r/gundeals was $349 on Dec 24, 2025; no newer one has been posted. The lowest price ever tracked is $300, from Aug 15, 2025. Across 3 used / trade-in Glock 21 deals tracked between 2025-04-08 and 2026-05-07, the average was $326 (range $300–$349).
Looking for the best price on a Glock 21? We track every deal posted to r/gundeals so you know exactly what a good price looks like — and when to buy.
What Should You Pay for a Glock 21?
Based on 3 used / trade-in deals tracked from r/gundeals, here’s what the market looks like for the Glock 21:
Almost every tracked Glock 21 deal is used / trade-in, so this guide prices that configuration. New-condition deals are too infrequent on r/gundeals to quote a reliable range.
Price Breakdown
- Great deal: At or below $300 — buy with confidence
- Good deal: $300 — solid price, worth grabbing
- Average: $300–$349 — fair but nothing special
- Overpaying: Above $349 — wait for a better deal
Based on our Glock 21 price tracker — updated with every r/gundeals post.
Recent Glock 21 Used / Trade-In Deals from r/gundeals
- $349 — [Pistol] LE Trade in Glock 21 Gen 4 - 45ACP. $349 - Free shipping. from shop.gunsnh.com (61 upvotes)
- $299 — [Handgun] Glock 21 Gen4 Police Trade-ins starting at $299.99 FREE SHIP + Tax & More police trade dea from sportsmansoutdoorsuperstore.com (109 upvotes)
- $329 — [Handgun] Glock 21 Gen4 45ACP LE Trade In 2-13rd Magazines Very Good $329.99 from letradeins.com (37 upvotes)
View all Glock 21 deals and full price history →
How to Get the Best Glock 21 Price
- Set up an alert. Add “Glock 21” as a keyword in your alert preferences and we’ll email you the moment a deal posts.
- Know your target price. Anything under $300 is a strong buy. Don’t pay above $349 unless you need it today.
- Check the price history. Our Glock 21 product page shows every deal we’ve tracked with price trends over time.
Frequently Asked Questions
What is a good price for a Glock 21?
For a used / trade-in Glock 21, anything at or below $300 is a great deal — that is the cheapest 10% of tracked deals, and it sells out quickly on r/gundeals. $300–$300 is a solid deal worth grabbing. Above $349, you are paying more than three quarters of tracked deals and should wait for a real drop.
How much does a Glock 21 usually cost?
Across 3 tracked r/gundeals deals, a used / trade-in Glock 21 averages around $326, with verified deals ranging from below $300 on the low end to above $349 on the high end. Retail (non-deal) pricing typically sits at or above $349. Deals in other conditions are priced separately and are not averaged into this figure.
Should I buy a Glock 21 now or wait?
Check the current price of the used / trade-in Glock 21 against $300 (great), $300 (good), $326 (average). If the price you are seeing is below $300, buy — these prices do not stay around. Otherwise set a free price alert and let the deal come to you.
Where can I see live Glock 21 deals?
Live deals for the Glock 21 from r/gundeals are tracked on our product page, sorted by price and recency, with each deal including dealer reputation and time-to-sellout data.
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