Alliant Reloder
Alliant Reloder TS 15.5
A temperature-stable medium rifle powder aimed at handloading heavy bullets with better precision, including 6mm wildcats.
Deliberately slotted between RL-15 and RL-16 on TZ chemistry, this is Alliant's answer for heavy bullets in .308 Winchester and the 6mm wildcats, where the older medium powders drifted with temperature. The pitch is consistent velocity across the temperature spectrum, and it carries a de-coppering agent. It is new enough that community experience is genuinely thin — RL-15's reputation does not transfer to it, and neither does RL-15's load data.
- heavy-bullet .308 Winchester
- .223 Remington match loads
- 6mm wildcat target loads
Who has Alliant Reloder TS 15.5 today
Checked October 10None of the retailers we track list Alliant Reloder TS 15.5 right now. See what is in stock.
Specifications
| Manufacturer | Alliant |
|---|---|
| Product family | Alliant Reloder |
| Status | Currently produced |
| Application | rifle |
| Grain form | extruded |
| Temperature stable | Yes — claimed by the manufacturer |
| Burn-rate position | 135 of 198 (fastest = 1) — what this means |
| Typical cartridges | .308 Winchester, .223 Remington |
Grain shape
Extruded stick whose web is set a hair thicker than RL-15's — the same extrusion, a slightly heavier wall, which is precisely how a burn-rate ladder gets built inside one family. Sticks bridge and shear in a measure, so precision charges get thrown light and trickled up.
Why geometry decides burn rate more than chemistry does: Shape Is the Product.
Alliant claims world-class temperature stability and extremely consistent velocities across the temperature spectrum, and lists a de-coppering agent. REACH compliant.
Burn rate
Deliberately placed between Reloder 15 and Reloder 16.
Chart agreement: consistent across the three charts that list it Ranked by: Hodgdon, Alliant, Wolfe/LoadData.
Powders charted near it — neighbours on the chart are not substitutes, and adjacency tells you nothing about what charge either one takes:
- Hodgdon BL-C(2) (position 132)
- Vihtavuori N540 (position 133)
- Hodgdon CFE 223 (position 134)
- Alliant Power Pro 2000-MR (position 136)
- Hodgdon LEVERevolution (position 137)
- Hodgdon H380 (position 138)
This powder is obscure enough in the US that its practical character is thinly documented. The note above is deliberately short rather than padded.
Sources
The specifications above come from Alliant's own published documentation, linked below. The two “RCM's read” sections are ours, not theirs — our assessment of what this powder is like to load, drawn from its published characteristics and from what handloaders consistently report. No manufacturer endorses them and no source below backs them. If you think we have one wrong, tell us — we would rather fix it.