Accuracy and headshot data are estimates. TTK values may differ from in-game results. Verified weapon stats rolling out now. Methodology ·
COPPERHEAD RF
SMG · 20m range · mag 20 · A tier · Launch March 2026
Copperhead RF is a A-tier SMG in Marathon. At medium range (15–40m) against a Pro-skill player with a Standard (Grey) shield (140 EHP), it kills in 4.52s using 12 shots — ranking #2 among SMGs at medium range. Base stats: 12 damage · 720 RPM · 20-round mag · 2.37s reload.
TTK · Medium · Pro · Standard (Grey) Shield
4.52s
vs 140 EHP (Standard (Grey))
12 shots to kill · 0 kills/mag
TTK by Range · ⚡ Pro · Standard (Grey)
Short (<15m)1.58s11 shots
Medium (15–40m)4.52s12 shots
Long (40m+)8.37s12 shots
Best Case (Pro · Short · No Shield)
1.58s· 11 shots
TTK by Range · Pro · Standard (Grey) Shield (140 EHP)
Short (<15m)1.58s11 shots
Medium (15–40m)4.52s12 shots
Long (40m+)8.37s12 shots
Base Stats
Damage12
RPM720
Magazine20
Reload Speed2.37s
Range20m
Ammo TypeLight
Base unmodded stats only.
Compare with other SMGs
| Rank | Weapon | Short TTK (<15m) | Med TTK (15–40m) | Long TTK (40m+) | Tier |
|---|---|---|---|---|---|
| 1 | V22 Volt Thrower | 2.01s | 3.20s | 6.39s | S |
| 2 | Copperhead RF | 1.58s | 4.52s | 8.37s | A |
| 3 | Bully SMG | 1.67s | 4.63s | 6.63s | B |
| 4 | BRRT SMG | 2.88s | 7.20s | 13.38s | C |
Frequently Asked Questions
What is the Copperhead RF TTK in Marathon?
The Copperhead RF kills in 4.52s at medium range (15-40m) against a Pro-skill player with a Standard (Grey) shield (140 EHP). At short range (<15m) the TTK is 1.58s, and at long range (40m+) it is 8.37s. All figures use base, unmodded stats in the Launch March 2026 patch.
How many bullets does the Copperhead RF need to kill?
The Copperhead RF requires 12 shots at medium range against a Standard (Grey)-shield enemy. At short range it takes 11 shots, and at long range 12 shots. With a 20-round magazine that is approximately 0 kills per mag at medium range.
Is the Copperhead RF good in Marathon?
The Copperhead RF is A-tier at medium range (Pro skill, Standard (Grey) shield), ranking #2 among SMGs. It is a strong pick with above-average TTK.
What ammo does the Copperhead RF use?
The Copperhead RF uses Light ammo with a 20-round magazine and a 2.37s reload speed.