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Posted: 7/22/2020 12:31:32 PM EDT
Anyone have any loads for a .224 Grendel?

I have a few pounds of RL17 I wanted to try with 77gr tmk’s wondering how AR Comp powder would compare.
Link Posted: 7/22/2020 2:34:04 PM EDT
Link Posted: 7/22/2020 10:10:15 PM EDT
Half way down the page there is some load data with RL-15.

224 AR
Link Posted: 7/23/2020 6:15:08 PM EDT
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Originally Posted By muvef:
Half way down the page there is some load data with RL-15.

224 AR
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Thanks, 80gr and 77gr at 3020fps look nice. Picked up a few bottles of CFE223 and I’ll work it up.
Link Posted: 7/25/2020 8:35:50 PM EDT
Any powder that works well in the Valkyrie will also do well in 224 Grendel:

H4895
Varget & RL15
CFE223

I debated building one and had some notes for it I’d written down from some sources.  These are with longer (~24” barrels)

28.5gr of H4895 is pushing 69gr SMKs up to 3260fps


Reloder 16 (Sixteen) & Berger 80gr VLD
29.4gr: 2880fps
30.2gr: 2950fps

25gr H4895 and 88gr ELDs are running ~2830fps

RE17 and 88gr ELD
26gr: 2589fps
27gr: 2691fps
28gr: 2777fps w/light ejector marks
29gr: 2886fps w/ ejector & extractor swipes



Link Posted: 7/26/2020 3:14:33 AM EDT
Got it out today to break in the barrel. With my starting loads at 26.5gr of CFE223 and 77TMK at 2.15" it is averaging 2800fps with bughole 10 shot groups.

Liking it so far, can't wait to see where it maxes out at.
Link Posted: 8/13/2020 12:55:50 AM EDT
Figured I’d update, I found 30gr cfe223 works well with the 77tmk at 2.13”, about .020 off lands.

Can jam them and have plenty of room left in the mag but don’t want to stick a bullet. Running up to 31.5gr I found pressure signs at 3175fps.

It’s now averaging 3015 FPS at 30gr and federal small rifle primers with no pressure signs and little stretch.

Tried 62gr bullets and saw 3400+ but copper fouling so switched back to 77s.
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