Last updated August 01, 2026
40 S&W Ammo: Buy Now or Wait?
Verdict based on 7 tracked new (per round) r/gundeals deals, priced per round.
Built from GunDealAlerts’ own price record — 12,504 tracked prices across 1,919 products from 891 retailers since 2024.
The last tracked 40 S&W Ammo deal was $0.150/round on Jul 16, 2026. The lowest ever tracked is $0.150/round on Jul 16, 2026.
Bottom line
Buy now if the price is below $0.
Below $0 is a steal — these don't sit around.
$0 is average. Above $0, wait.
Set a free alert at $0 →
Verdict thresholds
Steal
< $0
Buy now
Real Deal
$0–$0
Worth grabbing
Average
$0–$0
Wait or alert
Pass
> $0
Above market
Reality check
Historical low
$0
tracked Jul 16, 2026
Tracked average
$0
Highest tracked
$0
Deals tracked
7
Tracked since the 40 S&W Ammo first appeared on r/gundeals. Each price point comes from a verified post — click through any deal below for the source thread.
5 cheapest tracked 40 S&W Ammo deals
| Price | Deal | Dealer | Date |
|---|---|---|---|
| $10 | [AMMO] Federal .40 S&W $9.99/box (50rd) no sales tax and che… | gtdist.com | Oct 09, 2025 |
| $12 | [AMMO] 40 S&W Winchester 165/180 grain $11.99 50 round b… | flipammo.com | Jan 20, 2026 |
| $14 | [Ammo] Winchester 40 S&W 180gr FMJ 50rds $13.95 + tax and sh… | Apr 04, 2026 | |
| $132 | [AMMO] Winchester 40 s&w 165gr FMJ brass cased 500rds (50rdx… | mmiammo.com | Jun 09, 2025 |
| $140 | [Ammo] Winchester .40 S&W 180gr FMJ. 500rd. $139.99 | Apr 09, 2026 |
Don't watch this page. Get notified.
We'll email you the moment a 40 S&W Ammo drops below your threshold.
Set free price alert →Frequently Asked Questions
Should I buy a 40 S&W Ammo now?
Buy if it's below $0. Below $0 is a steal. Above $0, set a free alert and wait.
What's the lowest a 40 S&W Ammo has ever been?
$0, tracked Jul 16, 2026 — verified across 7 tracked r/gundeals posts. That is the record low, not today’s price.
What price should I set my 40 S&W Ammo alert at?
$0 for the best signal-to-noise. Lower ($0) means fewer alerts but every one is a steal.
About the editor
GDA Editorial Team · Editorial team, GunDeal Alerts
We track every priced post on r/gundeals, fingerprint products, and verify dealer reputations. This page is updated as new deal data arrives.