Skip to content
AR-15Bolt face: 6.5 Grendel

6.5 Grendel Ballistics

Long-range AR-15 cartridge developed by Alexander Arms. Superior ballistic coefficients give it an effective range past 800 yards. Requires a dedicated bolt and magazines. Excellent for medium game hunting and precision shooting.

Cartridge Specifications

SAAMI Max Pressure
52,000 psi
Bullet Diameter
0.264 in
Case Length
1.52 in
Overall Length
2.26 in
Parent Case
.220 Russian / 7.62x39
Bolt Face
6.5 Grendel
Min Barrel
16 in
Platform
AR-15

Common Bullet Weights and Types

Hornady ELD Match 123 grSP 120 grBerger 130 gr

Effective Range by Application

Medium game hunting0 to 400 yd
Precision0 to 800 yd
Competition0 to 1000 yd

Barrel Twist Rate Recommendations

90 to 100 gr1:9
110 to 123 gr1:8
123 gr and heavier1:7.5 or 1:8

Data Disclaimer

Ballistic data is approximate and varies by ammunition lot, barrel condition, altitude, and temperature. Data sourced from published SAAMI and manufacturer load data. Always confirm zero and trajectory with your specific firearm.

Detailed load data for 6.5 Grendel is coming soon. In the meantime, review the specifications above and consult your ammunition manufacturer for load-specific trajectory.

Pick the right barrel

Twist rate should match the bullet weights you plan to shoot. See barrel steel grades, profiles, chamber types, and twist rate guidance on the barrel specs page, then jump into the builder to filter barrels chambered in 6.5 Grendel.