AR Comp

shaddydan · Aug 12, 2013

Anybody using AR comp? I have a good supply I can get but very little feedback.

Bang · Aug 12, 2013

Never used it but have been looking for some to try. Have heard some that do use it refer to it as the Swedish Varget.

from an undisclosed location

Marauder · Aug 12, 2013

Hope this helps, got this from loaddata.com

Wt. Bullet Powder Manufacturer Powder Charge Velocity (FPS)
69 Sierra HPBT Alliant AR-Comp 23.2 2969
Remarks: case: Winchester; Minimum OAL (inches): 2.26; 54,217 psi
77 Sierra HPBT Alliant AR-Comp 22.1 2757
Remarks: compressed; case: Winchester; Minimum OAL (inches): 2.26; 53,685 psi
52 Hornady A-Max Alliant AR-Comp 25.3 3417
Remarks: case: Federal; Minimum OAL (inches): 2.23; 53,636 psi
52 Sierra HPBT Alliant AR-Comp 25.2 3414
Remarks: case: Federal; Minimum OAL (inches): 2.25; 53,709 psi
55 Sierra HPBT Alliant AR-Comp 25.6 3359
Remarks: case: Federal; Minimum OAL (inches): 2.24; 54,236 psi
68 Hornady BTHP Alliant AR-Comp 23.4 2969
Remarks: compressed; case: Federal; Minimum OAL (inches): 2.25; 53,880 psi
75 Hornady A-Max Alliant AR-Comp 22.9 2816
Remarks: compressed; Minimum OAL (inches): 2.26; 53846 psi
80 Sierra Match King Alliant AR-Comp 22.7 2726
Remarks: compressed; Minimum OAL (inches): 2.25; 53934 psi
90 Sierra HPBT Alliant AR-Comp 21.6 2530
Remarks: compressed; Minimum OAL (inches): 2.25; 54246 psi

Robert · Aug 13, 2013

Being extrude; does it meter through a progressive press?

Pinecone · Aug 13, 2013

All powders will meter through a progresive press. Only that some will be more consistant than others.

If you want very consistant rounds with extruded powder, you need to weigh each charge.

Robert · Aug 13, 2013

Pinecone said:
All powders will meter through a progresive press. Only that some will be more consistant than others.

If you want very consistant rounds with extruded powder, you need to weigh each charge.

I disagree, Example: IMR 4198 extrusions are strong enough to cause a case activated drop to damage the cartridge neck trying to cut through.

shaddydan · Aug 13, 2013

I weigh each charge anyway. Has anyone actually tried it? Seems like H335, being rarer than a unicorn, is not my best AR powder option. I don't mind being the guinee pig, I just don't have the reloading experience to say its better or worse than this or that powder.

spank308 · Aug 13, 2013

shaddydan said:
Anybody using AR comp? I have a good supply I can get but very little feedback.

Just a heads up on one post showing 25 grains for a55[[midway] gr pill is a hot load in my AR with military brass 16 in barrel. @23 grains @2700 fps is good for me. Only loaded and tested 50 rounds so far

Traveler · Aug 13, 2013

Check out BL-C(2) or CFE223. I know a PA store that had more than 5 pounds of CFE223 recently.

Pinecone · Aug 13, 2013

Also WW748, which has been available recently. Ball powder, meters well, and good for .223 and .308.

Pinecone · Aug 13, 2013

Robert said:
I disagree, Example: IMR 4198 extrusions are strong enough to cause a case activated drop to damage the cartridge neck trying to cut through.

I will have to try that one. I may have some 4198 around.

Wreck · Aug 13, 2013

shaddydan said:
Anybody using AR comp? I have a good supply I can get but very little feedback.

If you can get it, use it. I've used it, still working up a load but starting load was ok and cycled my ar fine.

Robert · Aug 14, 2013

Pinecone said:
I will have to try that one. I may have some 4198 around.

If you don't I have plenty I will sell ya..

Pinecone · Aug 14, 2013

No needed. But if you have any extra H335, we can talk.

Robert · Aug 14, 2013

Pinecone said:
No needed. But if you have any extra H335, we can talk.

Patriot · Aug 17, 2013

Wreck said:
If you can get it, use it. I've used it, still working up a load but starting load was ok and cycled my ar fine.

Same here. Haven't managed to work up a load yet but I like it so far.

Robert · Aug 17, 2013

Those that are using it, does it meter well through a progressive press?

Traveler · Aug 17, 2013

H335 meters like water through my Dillon 550. I will buy as much as I can find at reasonable price.

Pinecone · Aug 18, 2013

Right now, I would buy some H335 at a not so reasonable price.

But not outrageous.

shaddydan · Aug 18, 2013

I have enough "that's all I could get" supplies. Since I can only have 5lbs in MD, I need to make them count!

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