Reloading
Loads shown are for these rifles only. Start from published data and work up.
THE TOOLS
The gear that makes every round more consistent and accurate.
Meehl Solutions trickler on an A&D FX-123 balance
AMP Mark II annealer and Lyman case prep station
SuperTrickler powder measure on an A&D FX-300i balance
Short Action Customs Nexus press
600 yds at GRRC, Harris MN, 9/22/26
600 yds at GRRC, Harris MN, 9/22/26
Garmin Xero chronograph
6.5 Creedmoor
Best group: 0.92 MOA, 50-4X at 600 yd
Ruger Custom Shop Precision Rifle in 6.5 Creedmoor, shooting Lapua 139 gr Scenar over H4350.
Gear
Rifle: Ruger Custom Shop Precision Rifle
Scope: Arken EP-5 5-25x56
Stock: Ruger Gen 4 buttstock
Preferred load
Bullet: Lapua 139 gr Scenar
Brass: Lapua SRP (small rifle primer)
Powder: H4350, 41.5 gr
Shown for reference only. Every rifle is different, so determine your own powder charge with published load data, starting low and working up safely.
Primer: Federal GM205M
COAL: 2.801”
CBTO: 2.1430”
Measured performance (600 yd, Garmin Xero)
Date | Brass | Shots | Avg velocity | SD | ES | Group
9/22/26 | Lapua | 5 | 2,744.4 fps | 4.1 | 15.4 | —
10/27/26 | Lapua | 5 | 2,748.8 fps | 4.2 | 11.9 | 0.92 MOA
10/27/26 | Lapua | 5 | 2,755.9 fps | 3.6 | 9.1 | 1.22 MOA
10/27/26 | Peterson | 5 | 2,771.5 fps | 4.7 | 12.0 | 1.10 MOA
Best results (600 yd, NRA MR-1)
Date | Shots | Group | Score | Brass
10/27/26 | 5 | 0.92 MOA (~5.8”) | 50-4X | Lapua
10/27/26 | 5 | 1.10 MOA (~6.9”) | 50-3X | Peterson
10/27/26 | 5 | 1.22 MOA | — | Lapua
9/22/26 | 10 | 0.92 MOA (5.75” x 4.79”) | 95-2X (MR-1FC) | Lapua
Estimated drop chart
Computed estimate — not field data. These numbers come from a ballistic model, not from shots on paper. Compare them with the field-confirmed holds below and true them at the range before relying on them.
Model inputs: MV 2,750 fps · G7 0.343 · 100 yd zero · 1.75” sight height · 900 ft · 50°F
Yd | Hold (mil)* | Vel (fps)*
100 | 0.0 | 2,582
200 | 0.5 | 2,420
300 | 1.2 | 2,264
400 | 2.0 | 2,115
500 | 3.0 | 1,971
600 | 4.0 | 1,832
700 | 5.1 | 1,697
800 | 6.4 | 1,568
900 | 7.9 | 1,442
1,000 | 9.5 | 1,322
* Computed estimate.
Field-confirmed: 600 yd hold is 3.6 mil.
.300 Win Mag
Best group: 1.05 MOA, 50-4X at 600 yd
Ruger Precision Rifle in .300 Win Mag, shooting Hornady 230 gr A-Tip over H1000. Being built toward one-mile shooting.
Gear
Rifle: Ruger Precision Rifle
Scope: Vortex Razor HD 6-36x56
Stock: Ruger Gen 4 buttstock
Preferred load
Bullet: Hornady 230 gr A-Tip
Brass: Peterson
Powder: H1000, 70.0 gr (near Hornady max of 71.1 gr)
Shown for reference only. Every rifle is different, so determine your own powder charge with published load data, starting low and working up safely.
Primer: Federal GM215M
CBTO: 2.731”
Measured performance (10/27/26 · 600 yd · four 5-shot strings)
String | Shots | Avg velocity | SD | ES | Group
1 | 5 | 2,674.5 fps | 7.9 | n/a | 1.36 MOA
2 | 5 | 2,673.0 fps | 10.9 | 29.9 | 1.88 MOA
3 | 5 | 2,675.5 fps | 14.0 | 40.0 | 1.60 MOA
4 | 5 | 2,672.5 fps | 6.1 | 18.5 | 1.05 MOA
20-shot average: ~2,674 fps.
Best results (600 yd · 10/27/26)
Group | Score
1.05 MOA (~6.6”) | 50-4X
1.36 MOA | —
1.60 MOA (~10”) | 50-3X
Estimated drop chart
Computed estimate — not field data. These numbers come from a ballistic model, not from shots on paper. Compare them with the field-confirmed holds below and true them at the range before relying on them.
Model inputs: MV 2,674 fps · G7 0.414 · 100 yd zero · 1.75” sight height · 900 ft · 50°F
Yd | Hold (mil)* | Vel (fps)*
100 | 0.0 | 2,537
200 | 0.5 | 2,404
300 | 1.2 | 2,274
400 | 2.1 | 2,150
500 | 3.0 | 2,029
600 | 4.0 | 1,912
700 | 5.1 | 1,798
800 | 6.3 | 1,688
900 | 7.6 | 1,580
1,000 | 9.0 | 1,476
1,100 | 10.6 | 1,375
1,200 | 12.3 | 1,277
1,300 | 14.3 | 1,184
1,400 | 16.4 | 1,099 subsonic
1,500 | 18.8 | 1,045
1,600 | 21.5 | 1,012
1,760 | 26.2 | 969
* Computed estimate.
Field-confirmed: 600 yd hold is 3.5 mil up, 0.2 mil right.
Past ~1,350 yd the bullet goes subsonic, so the numbers out to the mile are rough until trued.
