Last updated August 28, 2026
Colt AR-15 vs Sig Sauer MCX
Real price comparison based on 20 tracked r/gundeals deals — Colt AR-15 priced on new deals, Sig Sauer MCX on new.
Bottom line
Cheaper historically: Colt AR-15 at $650, tracked Dec 3, 2025.
Lower average: Colt AR-15 at $903.
More deals tracked: Colt AR-15 (11 vs 9).
Set alerts on both — Colt AR-15 · Sig Sauer MCX.
Side-by-side
| Metric | Colt AR-15 | Sig Sauer MCX |
|---|---|---|
| Historical low | $650 Dec 2025 |
$1300 Feb 2026 |
| Tracked average | $903 | $2009 |
| Median price | $939 | $1690 |
| Highest tracked | $1080 | $4000 |
| Real-deal threshold | < $800 | < $1400 |
| Steal threshold | < $750 | < $1399 |
| Deals tracked | 11 | 9 |
3 cheapest Colt AR-15 deals
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[rifle] PD Trade Colt MIL/LE marked LE6920 - $650 Shipp…$650Dec 03, 2025 · summitgunauctions.com
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[Rifle] Colt M4 LE Carbine with KAC rail and VFG- $750$750Jun 25, 2025 · shop.gafiringline.com
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[Other Gun] Colt LE6920-OEM1 - $799.95 + FS$800Jun 03, 2026
3 cheapest Sig Sauer MCX deals
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[Rifle] SIG MCX Regulator $1299.99$1300Feb 03, 2026 · palmettostatearmory.com
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[RIFLE] MCX Regular $1,399 for my ban state homies.$1399Nov 27, 2024 · bauer-precision.com
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[Rifle] Sig Sauer MCX-R Regulator 5.56 NATO 16" 10rd Ri…$1400Dec 16, 2025 · palmettostatearmory.com
Track both. Buy whichever drops first.
Free email alert when Colt AR-15 or Sig Sauer MCX drops below your target.
Frequently Asked Questions
Colt AR-15 or Sig Sauer MCX — which is cheaper?
Historically, the Colt AR-15 has the lower floor at $650, tracked Dec 3, 2025. By average, Colt AR-15 wins at $903.
Which has more deals available?
Colt AR-15 appears more often in r/gundeals deals (11 vs 9).
Should I get the Colt AR-15 or the Sig Sauer MCX?
Set free alerts on both. Pick whichever drops to its real-deal threshold first that matches your use case.
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.