Who makes a good light 300 blk boolite for semi -auto?

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Tayous1
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Who makes a good light 300 blk boolite for semi -auto?

Post by Tayous1 »

I have bought two 300 blk molds and found that both of them are two short to chamber in my 300 blk. I don't have any problems with factory bought bullets 115 gr to 125 gr.

What I'd like to find is the lightest 300 blk mold that will work with my AR style weapon. Any advice?
BJK
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Re: Who makes a good light 300 blk boolite for semi -auto?

Post by BJK »

I haven't tried them yet, but I bought this mould last year. I think they'll work. I'm expecting maybe 1800 fps from them. I have it's larger brother (225 gr) and it works fine for subsonic loads.

https://noebulletmolds.com/site/shop/30 ... cavity-gc/
Tayous1
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Re: Who makes a good light 300 blk boolite for semi -auto?

Post by Tayous1 »

BJK wrote: Tue Mar 21, 2023 11:55 am I haven't tried them yet, but I bought this mould last year. I think they'll work. I'm expecting maybe 1800 fps from them. I have it's larger brother (225 gr) and it works fine for subsonic loads.

https://noebulletmolds.com/site/shop/30 ... cavity-gc/
You will have to tell me how it works I bought a 135 gr mold last year problem with mine was that the bullet was not long enough for semi-auto rifle.
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dellet
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Re: Who makes a good light 300 blk boolite for semi -auto?

Post by dellet »

This works, as long as you have true 30 caliber feed ramps.

Been awhile, but probably have data somewhere.

http://arsenalmolds.com/bullet-molds?pr ... 9999999999
300 Blackout, not just for sub-sonics.
popper
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Re: Who makes a good light 300 blk boolite for semi -auto?

Post by popper »

What molds did you get and why are they too short for AR? I use a 142gr cast rnfp, works fine. Any slick sided should work seated long, about half of the neck length. Doubt the soup can would work, probably get miss-aligned by the feed ramp.
popper
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Re: Who makes a good light 300 blk boolite for semi -auto?

Post by popper »

31-142C PB PCd or 31-12D GC works fine in all of mine. easy 2100 fps.
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