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6.5 Grendel vs 6.5 Creedmoor: Maker-Page Loads and SAAMI Specs Side by Side

By Cole Harlan, EditorUpdated Nov 5, 2026How we verifyEditorial standards

This page puts 6.5 Grendel and 6.5 Creedmoor side by side using only our own ammo guides, 6.5 Grendel ammo (12 loads) and 6.5 Creedmoor ammo (54 loads), plus the cartridge specs SAAMI publishes in ANSI/SAAMI Z299.4, its centerfire rifle standard. The guides copy bullet weights, velocities, energies and test barrels from maker product pages (checked Nov. 4, 2026). We don’t rate or rank cartridges, and we don’t subtract one maker’s velocity from another’s, because their test barrels differ.

How to read this page: every number is copied from a maker page or from SAAMI, and a test barrel length sits next to every velocity (or says the maker lists none). A dash (—) means the maker has no load in our tables for that cartridge. Fire only the cartridge your rifle’s maker says it is chambered for.

SAAMI specs side by side

These are the figures in ANSI/SAAMI Z299.4 (approved Feb. 10, 2025), as already recorded in the SAAMI sections of our 6.5 Grendel and 6.5 Creedmoor guides. Pressures are as SAAMI lists them.

Measure	6.5 Grendel	6.5 Creedmoor
SAAMI name	6.5 GRENDEL [6.5 GREN]	6.5 CM
Drawing issued / revised	01/17/2011 / 11/18/2021	06/17/2009 / no revision date copied in our guide
Maximum average pressure (transducer)	52,000 psi	62,000 psi
Crusher pressure	Not established	Not established
Cartridge overall length	2.135 in min to 2.260 in max	2.700 in to 2.825 in
Case length	1.520 in (−.020)	Not copied in our guide
Bullet diameter	.2643 in (−.0030)	Not copied in our guide
Bore / groove diameter	.256 in / .264 in	.256 in / .264 in
Twist and grooves	1 in 8.00 in, right-hand (marked optional), 6 grooves	1:8 twist, 6 grooves (as recorded for the test barrel in our guide)
SAAMI reference velocity	Not yet verified (our guide could not pair each bullet weight with its velocity)	2,840 fps for 127 gr, 2,940 fps for 129 gr, 2,690 fps for 140 gr (15 ft from the SAAMI test barrel)
SAAMI velocity test barrel	24 in standard (6.5 Grendel is not on SAAMI’s exception list)	24.000 in, 1:8 twist, 6 grooves

Federal’s own statements of 65,000 psi (brass case) and 80,000 psi (+Peak) for 6.5 Creedmoor are Federal’s, not SAAMI’s; per our 6.5 Creedmoor guide, SAAMI’s standard does not list +Peak. The table shows SAAMI’s figure only.

Load ranges by maker and test barrel

Each line groups one maker’s loads that share a test barrel, so a velocity is only ever shown with the barrel it was measured in. Ranges are bullet weight and muzzle velocity as the maker page prints them. Do not read across makers: their barrels and bullets differ. For how barrel length moves velocity, see our barrel length vs velocity data.

Maker	6.5 Grendel loads in our table	6.5 Creedmoor loads in our table
Federal	test barrel not listed: 3 loads, 90 to 120 gr, 2,600 to 3,000 fps	test barrel not listed: 21 loads, 95 to 156 gr, 2,675 to 3,300 fps
Remington	test barrel not listed: 1 load, 130 gr, 2,400 fps	test barrel not listed: 6 loads, 120 to 140 gr, 2,675 to 2,945 fps
Hornady	24 in test barrel: 4 loads, 90 to 123 gr, 2,580 to 2,910 fps	24 in test barrel: 11 loads, 95 to 147 gr, 2,690 to 3,300 fps
Nosler	24 in test barrel: 4 loads, 90 to 129 gr, 2,350 to 2,800 fps	24 in test barrel: 9 loads, 90 to 142 gr, 2,600 to 3,300 fps
Berger	—	20 in test barrel: 1 load, 153.5 gr, 2,700 fps 26 in test barrel: 6 loads, 130 to 156 gr, 2,680 to 2,850 fps

Same maker, same line, both cartridges

Where one maker sells the same product line in both cartridges, the loads are listed side by side exactly as the maker pages print them. We match lines by the maker’s own product-line name in our guide tables. Compare only within a row, and check the test barrel in each cell.

Maker line	6.5 Grendel	6.5 Creedmoor
Federal Varmint & Predator	90 gr Speer TNT Jacketed Hollow Point, 3,000 fps, 1,798 ft-lb, test barrel not listed, item AE65GDL90VP	95 gr Hornady V-Max, 3,300 fps, 2,297 ft-lb, test barrel not listed, item V65CRDVM95
Remington Premier Match	130 gr Berger Open Tip Match, 2,400 fps, 1,663 ft-lb, test barrel not listed, item 21205	140 gr MatchKing Open Tip Match, 2,675 fps, 2,224 ft-lb, test barrel not listed, item 27661
Nosler Ballistic Tip	120 gr Ballistic Tip, 2,400 fps, 1,534 ft-lb, 24 in test barrel, item 61023	120 gr Ballistic Tip, 2,900 fps, 2,251 ft-lb, 24 in test barrel, item 42050
Nosler Trophy Grade AccuBond Long Range	129 gr AccuBond Long Range, 2,350 fps, 1,582 ft-lb, 24 in test barrel, item 60146	142 gr AccuBond Long Range, 2,600 fps, 2,131 ft-lb, 24 in test barrel, item 60105

What the sources say when you choose

These are points taken from the figures above, each with the page it rests on. They are not recommendations or scores.

If pressure rating is your question: SAAMI lists a maximum average pressure of 52,000 psi by transducer for 6.5 Grendel and 62,000 psi for 6.5 Creedmoor, and has not established crusher pressures for either. Source: ANSI/SAAMI Z299.4.
If bullet weight is your question: the 6.5 Grendel loads in our table run from 90 gr (Federal Varmint & Predator AE65GDL90VP) to 130 gr (Remington Premier Match 21205). The 6.5 Creedmoor loads run from 90 gr (Nosler Varmageddon 65175) to 156 gr (Berger Elite Hunter 31070). Sources: those maker pages.
If you want to see the printed velocities: the slowest and fastest 6.5 Grendel muzzle velocities in our table are 2,350 fps, 24 in test barrel (Nosler Trophy Grade AccuBond Long Range 60146) and 3,000 fps, test barrel not listed (Federal Varmint & Predator AE65GDL90VP). For 6.5 Creedmoor they are 2,600 fps, 24 in test barrel (Nosler Trophy Grade AccuBond Long Range 60105) and 3,300 fps, test barrel not listed (Federal Varmint & Predator V65CRDVM95). These come from different barrels and bullets, so we show them side by side without a difference. Sources: those maker pages.
If you are comparing against a box or a chronograph: SAAMI’s rifle test barrel is 24 in; the 6.5 Grendel is not among its listed exceptions, and the 6.5 Creedmoor test barrel is 24.000 in. Many maker pages list a different barrel or none, as the tables above show. A shorter barrel than the one a maker lists will likely give lower velocities than the box; see our barrel length vs velocity data, including the 6.5 Creedmoor page. Source: ANSI/SAAMI Z299.4 and the maker pages linked above.
If chamber fit is your question: SAAMI publishes a separate cartridge drawing for each. Our guides record a cartridge overall length of 2.135 in min to 2.260 in max and a case length of 1.520 in (−.020) for 6.5 Grendel, and a cartridge overall length of 2.700 in to 2.825 in for 6.5 Creedmoor; the 6.5 Creedmoor case length is not copied in our guide. Bore and groove are .256 in and .264 in for both. Check the cartridge named in your rifle’s manual or marked on its barrel. Source: ANSI/SAAMI Z299.4.

Not yet verified

Winchester: our guides record no Winchester 6.5 Grendel item in its sitemap and “no ballistics data available at this time” on all of its 6.5 Creedmoor pages, so no Winchester load is in either table. SIG Sauer was blocked with a 403 in both guides.
A dash in the range table means the maker has no load in that guide’s table, not that the maker sells none.
We have no 6.5 Grendel barrel-length-velocity page, so this page shows no barrel-length corrections for it.
Our 6.5 Grendel guide could not pair each SAAMI reference velocity with a bullet weight, so none is shown for it.
Berger loads are in the 6.5 Creedmoor table only; our 6.5 Grendel guide records no Berger 6.5 Grendel page in its sitemap.
Prices, recoil, accuracy and hands-on results are not in our data, so this page says nothing about them.

See the full tables in our 6.5 Grendel ammo and 6.5 Creedmoor ammo, the barrel length vs velocity data, 6.5 Creedmoor vs 6.5 PRC, 6.5 Creedmoor vs .308, 6.5 PRC vs .300 PRC, the new ammo of 2026, all ammo releases and 6mm ARC vs 6.5 Grendel, all comparisons.

Frequently asked questions

What is the SAAMI maximum pressure for 6.5 Grendel and 6.5 Creedmoor?

SAAMI lists 52,000 psi (transducer) for 6.5 Grendel and 62,000 psi (transducer) for 6.5 Creedmoor, with no crusher pressure established for either, in ANSI/SAAMI Z299.4.

Do 6.5 Grendel and 6.5 Creedmoor use the same bullet diameter?

SAAMI lists a bore of .256 in and a groove of .264 in for both. Our 6.5 Grendel guide records a bullet diameter of .2643 in (−.0030); our 6.5 Creedmoor guide does not copy one.

Which is better, 6.5 Grendel or 6.5 Creedmoor?

We don't rate or rank cartridges. This page copies maker-page figures and SAAMI specs side by side, and it does not cover price, recoil or hands-on results.

Where do these numbers come from?

From our own ammo guides (6.5 Grendel ammo and 6.5 Creedmoor ammo), which copy maker product pages, and from ANSI/SAAMI Z299.4.

SAAMI specs side by side

Load ranges by maker and test barrel

Same maker, same line, both cartridges

What the sources say when you choose

Not yet verified

Related guides

Frequently asked questions

Sources

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