Last updated April 29, 2026
300 BLK Ammo: Buy Now or Wait?
Verdict based on 13 tracked r/gundeals deals.
Bottom line
Buy now if the price is below $170.
Below $152 is a steal — these don't sit around.
$179 is average. Above $197, wait.
Set a free alert at $170 →
Verdict thresholds
Steal
< $152
Buy now
Real Deal
$152–$170
Worth grabbing
Average
$170–$197
Wait or alert
Pass
> $197
Above market
Reality check
Historical low
$8
Tracked average
$179
Highest tracked
$690
Deals tracked
13
Tracked since the 300 BLK 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 300 BLK Ammo deals
| Price | Deal | Dealer | Date |
|---|---|---|---|
| $8 | [Ammo] Bi-Mart In-Store Ammo Deals: .223 20 ct $7.99, .45 AC… | deals.bimart.com | Jul 05, 2025 |
| $13 | [Ammo] AAC 300 blackout 220 grain OTM 20rd box. $12.99. 65 c… | palmettostatearmory.com | Apr 26, 2025 |
| $13 | [Ammo] PSA Subsonic 300 BLK | $12.99/box | .65 cpr | palmettostatearmory.com | Apr 23, 2025 |
| $15 | [AMMO] Winchester 300 Blackout Super Suppressed 200gr Subson… | aeammo.com | Feb 24, 2026 |
| $16 | [Ammo] Underwood 300 AAC Blackout Ammo 110 Grain Nosler Varm… | midwayusa.com | Sep 17, 2025 |
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Set free price alert →Frequently Asked Questions
Should I buy a 300 BLK Ammo now?
Buy if it's below $170. Below $152 is a steal. Above $197, set a free alert and wait.
What's the lowest a 300 BLK Ammo has ever been?
$8 — verified across 13 tracked r/gundeals posts.
What price should I set my 300 BLK Ammo alert at?
$170 for the best signal-to-noise. Lower ($152) 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.