6.5 Grendel – AR Type

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Warning: Bullet selections are specific, and loads are not valid with substitutions of different bullets of the same weight. Variations in bullet length will alter net case capacity,  pressure and velocity. Primer selection is specific and primer types are not interchangeable. These are maximum loads in my firearms and may be excessive in others. All loads should be reduced by 5% as a starting point for development where cartridges have greater than 40 grains in capacity and 10% for cartridges with less than 40 grain capacity following safe handloading practices as represented in established mainstream reloading manuals. Presentation of these loads does not constitute a solicitation for their use, nor a recommendation.

6.5 Grendel – SAAMI Standard 52 KPSI
Firearm AR 15
Barrel Length 18.0″
Max Case Length 1.520″ +0.000″/-0.020″
Min – Max COL 2.135″ – 2.260″
Primer CCI BR4 – Small Rifle Bench Rest
Bullet Diameter 0.2643″ +0.000″/-0.0030″
Reloading Dies Hornady

 

Bullet Type Bullet
Weight

Grains
Net H2O
Grains
Capacity
COL” Powder Type Powder
Charge

Grains
Muzzle
Velocity

fps
Muzzle
Energy

ft/lbs
Sierra Varminter 100 34.0 2.185 AR-Comp 30.0
2774 1786
Sierra Varminter 100 34.0 2.185 H335 31.0 2740 1667
Sierra Varminter 100 34.0 2.185 Norma 201 32.5 2717 1639
Sierra Varminter 100 34.0 2.185 Win 748 34.5 2794 1734
Sierra Pro-Hunter 120 32.9 2.260 AR-Comp 28.0 2529 1704
Sierra Pro-Hunter 120 32.9 2.260 H335 29.0 2513 1683
Sierra Pro-Hunter 120 32.9 2.260 CFE223 33.0 2549 1731
Sierra Pro-Hunter 120 32.9 2.260 Norma 201 29.0 2497 1661
Nosler Partition 125 31.3 2.240 AR-Comp 27.0 2470 1693
Nosler Partition 125 31.3 2.240 H335 27.5 2420 1625
Nosler Partition 125 31.3 2.240 Norma 201 28.0 2445 1659
Nosler Partition 125 31.3 2.240 Win 748 29.0 2486 1716
Lapua Scenar L 136 29.1 2.240 BL-C2 28.5 2378 1707
Lapua Scenar L 136 29.1 2.240 RS TAC 27.5 2283 1574
Lapua Scenar L 136 29.1 2.240 Norma 203B 27.5 2354 1673
Lapua Scenar L 136 29.1 2.240 Win 748 27.0 2349 1666
Berger LRBT Target 140 29.1 2.260 AR-Comp 25.0 2306 1654
Berger LRBT Target 140 29.1 2.260 BL-C2 28.0 2331 1689
Berger LRBT Target 140 29.1 2.260 CFE 223 29.5 2321 1712
Berger LRBT Target 140 29.1 2.260 Win 748 26.5 2302 1646

 

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