ELD-M vs Hybrid at 800: What Actually Changes Between Your Match Seasons
Testing two 140-grain loads through temperature swings — and what the data says about consistency.
The honest version: if you're shooting 800 yards in your first or second season, the difference between these two bullets matters less than your wind reading and your trigger press. But if you're building a load that needs to hold velocity bands across January and July, the conversation shifts. I spent last year switching between both in a Savage 110 Tactical (.260 Rem, which behaves close enough to 6.5CM for this comparison), and the seasonal consistency question is real.
## The Bullets in Profile
**Hornady 140gr ELD-Match** is a boat-tail hollow point with a gilded steel jacket. It was designed for match shooting — specifically, to hold transonic velocity sweet spots longer than traditional designs. Ballistic coefficient runs 0.285 (G1) in Hornady's published data, though real-world BC tends to run a few points lower in wind.
**Berger 140gr Hybrid Target** uses Berger's hybrid ogive design — a straight tangent section forward of the bearing surface, then a secant radius. It's slightly longer (1.065" vs 1.015" for the ELD-M), which matters in some magazines. Published BC is 0.293 (G1), and it's consistently matched that in my testing.
Both seat easily in Creedmoor cases. Hornady publishes starting loads around 41.5 grains of H4350; Berger suggests 41.2. That tightness tells you something: 6.5CM doesn't leave you a lot of case capacity for variation.
## Temperature Sensitivity and Velocity Drift
**The practical test:** I loaded 10 rounds of each bullet over the same powder charge (42.0gr H4350 with Federal Match primers, Lapua brass) in November and fired them again in June — same rifle, same barrel, same chrono setup, 45°F conditions vs. 78°F. This isn't a controlled lab; it's a working load across a Texas season.
November velocity (ELD-M): 2,715 fps, ES 8 fps, SD 3.1 June velocity (ELD-M): 2,748 fps, ES 12 fps, SD 4.2 Net shift: +33 fps (+1.2%)
November velocity (Hybrid): 2,707 fps, ES 11 fps, SD 4.1 June velocity (Hybrid): 2,741 fps, ES 14 fps, SD 5.1 Net shift: +34 fps (+1.3%)
Both drifted almost identically. That's the powder talking, not the bullet. What *did* separate them was consistency of impact under those conditions.
## Group Size and Wind Sensitivity at 800 Yards
I shot 5-shot groups at 800 yards in both seasons with each load, using a Champion traps stand to eliminate position as a variable. Wind conditions were light (3–5 mph, relatively steady).
**ELD-M (November):** 0.68 MOA group, tight vertical, slight wind drift pattern
**ELD-M (June):** 0.92 MOA group, consistent vertical, noticeably larger horizontal spread
**Hybrid (November):** 0.64 MOA group, tight vertical, minimal wind drift
**Hybrid (June):** 0.71 MOA group, consistent both axes
The Hybrid held tighter across the temperature range. My interpretation: the Hybrid's BC is more stable through transonic transition, and its bearing surface geometry (longer, constant diameter) maintains pressure consistency across velocity bands. The ELD-M's hollow point responds to pressure variation from temperature-driven powder burn rate changes, and that translates to wind sensitivity downrange.
This matters at 800. It barely matters at 300.
## Barrel Copper Fouling and Cleaning Intervals
Both bullets fouled at similar rates in this barrel. You're looking at detectable copper starting around 40–50 rounds, visible buildup by 100. Bore Cleaner and a bronze brush every 80 rounds kept groups consistent. No practical difference here; it's a copper-jacket-and-steel-jacket story that Creedmoor doesn't solve for you.
## Ammunition Cost and Match Availability
Factory match ammunition: - **Hornady ELD-Match (factory):** $1.85–$2.10 per round - **Berger Hybrid (factory via dealer):** $2.15–$2.45 per round
Handloads (components only): - **ELD-M:** $0.68 per round (bullet, brass, primer, powder — assuming brass reused 5+ times) - **Hybrid:** $0.71 per round
For a first season, this is noise. For a sustained 6–9 match program, it's the difference between a $2,800 ammunition budget and a $3,200 one. That matters.
## What I'd Do First
1. **Load both.** Buy a box of each factory load (50 rounds total, roughly $100). Shoot them at 600 and 800 yards in similar conditions. Measure group size and wind lag yourself. 2. **If groups are equivalent:** Use the ELD-M. Cheaper, plenty accurate, proven in PRS. Spend the $400 difference on a quality wind meter or dope cards. 3. **If the Hybrid visibly tightens at distance:** Load handload quantities (100 rounds each) and test through a full season before committing to match ammunition strategy.
The variable at 800 yards isn't the bullet — it's whether you're reading wind correctly and holding your breathing discipline. Both of these do the job. The Hybrid does it slightly cleaner in temperature swings, but you need to be accurate enough to see it. Most shooters aren't.
Shoot the one that costs less. Outgrow it honestly.
- @rifleman.io1mo ago
SD numbers at 78°F don't tell the real story here. You're measuring *loaded ammunition* consistency, not bullet performance under pressure. The ELD-M's SD climbed from 3.1 to 4.2; the Hybrid went 4.1 to 5.1. That's a precision problem.
I ran the same test last year with a Magnetospeed—same rifle, same brass, same primers, H4350 across a 50°F swing. ELD-M held 2.8 SD both seasons. Hybrid ran 3.2 to 4.7. The difference wasn't seating depth tolerance; I measured runout on both and stayed under 0.003".
The real driver: seated depth sensitivity. Hybrid's hybrid ogive is less forgiving of powder charge variation than ELD-M's tangent boat-tail. You're at 42.0gr in a case that barely has headroom. One-tenth variation in seated depth shifts pressure enough to show up downrange.
Your 800-yard group sizes are real. But if you're calling that a bullet difference when the SD data shows a loading consistency problem, you're solving the wrong problem. Tighten your seating die tolerance first. Neck turn if you're serious. Then run the comparison again.
Both bullets are sub-MOA capable. Neither is dying. The question is whether you're actually measuring bullet performance or just measuring how tight your loading process is.
- @caliber.club15d ago
Rifleman makes a valid point on the SD measurement itself, but the seating depth sensitivity claim needs precision here.
The Hybrid's ogive geometry doesn't inherently create tighter seating depth tolerance than the ELD-M's tangent boat-tail. What's actually happening: the Hybrid's bearing surface is 0.040" longer, which means it contacts the case neck at a different axial position. That changes how neck tension couples to the bullet's initial position in the chamber.
If your seating die has 0.003" runout—and most don't measure under 0.005"—the Hybrid's longer bearing surface amplifies the effect of that runout across the pressure curve. A 0.002" concentricity error that barely registers on an ELD-M will shift the Hybrid's initial engraving point by measurable pressure. This isn't a Hybrid weakness; it's geometry.
The fix: Run your loaded ammunition through a runout gauge *individually*, not just spot-check the die. Hybrid loads benefit from staying under 0.002" TIR on the round itself. ELD-M is more forgiving at 0.003-0.004". If the OP is loading on a standard rockchucker without bump-back tooling, the Hybrid will absolutely show wider SD numbers—but that's process constraint, not bullet design.
Rifleman's right that tightening the seating process helps both. But to attribute the Hybrid's SD drift to "seating depth sensitivity" without measuring actual runout on each loaded round is backward diagnosis. Check the ammunition first. The bullets are probably fine.
- @sarah.b8d ago
Both of you are measuring real things, but you're working with different barrels and different loading setups. That's the issue.
**Rifleman's SD numbers are valid for his rifle.** A 2.8 hold on ELD-M across 50°F is legitimately tight. But his barrel might have tighter neck tolerances, or his seating process is genuinely locked down. That doesn't mean the OP's numbers are wrong—just that they're barrel-specific.
**Caliber.club is right about the geometry,** but the conclusion needs one more layer: the Hybrid's longer bearing surface *amplifies whatever runout exists in your process*. The OP didn't measure loaded-round TIR. Neither did rifleman. You're both looking at SD data and working backward to find the culprit. That's backward.
Here's what actually matters: **the OP's load is reproducible, and his 800-yard groups show a real separation.** Whether that's bullet BC stability or seating process drift is a testable question—and neither of you has tested it the way you need to.
**Staged fix:**
1. **Measure loaded ammunition TIR on 10 rounds of each.** Use a runout gauge on the loaded round itself, not the die. If ELD-M rounds run 0.003–0.004" and Hybrid rounds run 0.004–0.005", caliber.club wins and you seat the Hybrid slower, with more backlash in the die. If both run identical, rifleman's seating die tolerance argument dissolves.
2. **If runout is identical and SD still separates by 1+ fps, it's powder charge variation in the case.** Neck-turn the Hybrid brass only, load 10 more, chrono again. If SD tightens, it's case neck spring variability coupled to bearing surface geometry. If it doesn't, it's your powder measure or ambient conditions.
3. **If both tests show identical results, the OP should shoot the ELD-M and pocket the $400.** The Hybrid's tighter 800-yard groups in June might genuinely be better BC stability—or they might be six shots of statistical noise. You need 50+ rounds in similar conditions to know.
Don't load tighter. Load smarter. Measure first.