Last updated June 18, 2026
Ruger AR-556 vs Sig Sauer MCX
Real price comparison based on 39 tracked r/gundeals deals.
Bottom line
Cheaper historically: Sig Sauer MCX at $200.
Lower average: Ruger AR-556 at $575.
More deals tracked: Sig Sauer MCX (20 vs 19).
Set alerts on both — Ruger AR-556 · Sig Sauer MCX.
Side-by-side
| Metric | Ruger AR-556 | Sig Sauer MCX |
|---|---|---|
| Historical low | $459 | $200 |
| Tracked average | $575 | $1872 |
| Median price | $526 | $1690 |
| Highest tracked | $710 | $4000 |
| Real-deal threshold | < $546 | < $1779 |
| Steal threshold | < $489 | < $1592 |
| Deals tracked | 19 | 20 |
3 cheapest Ruger AR-556 deals
-
[Rifle] Ruger AR-556 10+1 for $459+tax$459Jul 22, 2025 · rkguns.com
-
[Rifle] Ruger AR556 $497 no tax for most code JULY40$497Jul 26, 2025 · 208gunshop.com
-
[RIFLE] Ruger AR-556 $499 Free Shipping + Tax$499Dec 25, 2025 · sportsmansoutdoorsuperstore.com
3 cheapest Sig Sauer MCX deals
-
[Parts] Geissele SSA Sig Sauer MCX Trigger $199.99 + S/…$200Apr 22, 2025 · wetworxoutfitters.com
-
[RIFLE] Used MCX 300Blk w/ Sig suppressor - $250”$250Mar 14, 2026 · shop.precisionarmsindiana.com
-
[Rifle] SIG MCX Regulator $1299.99$1300Feb 03, 2026 · palmettostatearmory.com
Track both. Buy whichever drops first.
Free email alert when Ruger AR-556 or Sig Sauer MCX drops below your target.
Frequently Asked Questions
Ruger AR-556 or Sig Sauer MCX — which is cheaper?
Historically, the Sig Sauer MCX has the lower floor at $200. By average, Ruger AR-556 wins at $575.
Which has more deals available?
Sig Sauer MCX appears more often in r/gundeals deals (20 vs 19).
Should I get the Ruger AR-556 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.