Powder head-to-head
H4350 vs Reloader 17
Both powders on one page: burn-rate position, temperature sensitivity and the 5 cartridges they share, with the substitution note from the reference.
Burn-rate position
FastestSlowest
Substitution
RL-17 runs higher pressure than H4350 — reduce 5–8% when switching to H4350.
Confidence: Community. Always start at published minimums and work up.
Side by side
| H4350 | Reloader 17 | |
|---|---|---|
| Manufacturer | Hodgdon | Alliant |
| Burn-rate rank | #66 | #63 |
| Burn category | Rifle Medium | Medium-Slow |
| Grain shape | Extruded | Extruded |
| Temperature sensitivity | Low | Moderate |
| Applications | Rifle | Rifle |
| Suppressor-friendly | No | No |
| US availability | Common | Common |
| Status | Active | Active |
Shared cartridges
FAQs
- Can I substitute H4350 for Reloader 17?
- RL-17 runs higher pressure than H4350 — reduce 5–8% when switching to H4350. Confidence: Community. Always start at published minimum charges and work up.
- Which burns faster, H4350 or Reloader 17?
- Reloader 17 is the faster-burning of the two (rank #63 vs #66 — lower rank burns faster).
- What cartridges do H4350 and Reloader 17 both load?
- Both powders are listed for 6.5 Creedmoor, .30-06 Springfield, .308 Winchester, .270 Winchester, 7mm-08 Remington.