Reloading Subsonic 9mm

sillycon

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Subguns, in general, mean round nose only.

Some folks are lucky and FP's will run. Some folks (most?) aren't that lucky.

My advice is that if you're going to give the FP's a shot, don't back the truck up without trying them first.
 

thunderdawg

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Subguns, in general, mean round nose only.

Some folks are lucky and FP's will run. Some folks (most?) aren't that lucky.

My advice is that if you're going to give the FP's a shot, don't back the truck up without trying them first.


That is good advice, thanks.
 

MrM4

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I have a stack of 147 TC that will run in my UZI and M11 Just fine. However my MP5 hates them, every 2 to 4 round I get a jam. Ive played with the OAL but have yet to make it work in all my sub guns.
 

Philip

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I have a stack of 147 TC that will run in my UZI and M11 Just fine. However my MP5 hates them, every 2 to 4 round I get a jam. Ive played with the OAL but have yet to make it work in all my sub guns.

You better trade that junky mp5 to me for another uzi then :D
 

Kramer

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I have a stack of 147 TC that will run in my UZI and M11 Just fine. However my MP5 hates them, every 2 to 4 round I get a jam. Ive played with the OAL but have yet to make it work in all my sub guns.

Sometimes TC or flat points can cause feed issues.
 

kcinnick

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TC's feed amazingly well. I currently manufacture 135g RN and 147g FP coated with Hi-tech coating (well 124g RN also in 9mm). I ordered two more machines and I get a new set of molds with each one, I am considering ordering the 145g or 160g 38 super mold with intention of using them for subsonic loads. Obviously I wouldn't advertise this, but a low powder charge and setting the bullet to the max overall length you can feed reliably should provide a nice subsonic round without any pressure issues.
 

K2

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Hi,

I wouldn't worry about running heavies if you know what you are doing. I've shot 40,000+ Saeco 64928 145RNBB(correction, the Saeco number is #928 for this bullet but designed to drop bullets @ .358-.359)@ 1.15 OAL from 800fps to 1050fps w/o a hitch. I would be shooting them now if my local caster had kept his molds in good shape. I always run .358 diameter in my 9's. Unfortunately his bullets post sizing are running .357 x .358. In other words, they are not round any more. Widners sold the 145RNBB years back but their caster gave them up also.

Funny thing, years ago, even Winchester had 231 loads for 147's (it was 3.3-3.5gr IIRC). That is a mild load in a pistol (850fps-900fps) but it makes a great subsonic & target load.

As you mentioned, keep the OAL at the upper limit of the spec. (Ugly things can happen if they run short. Maybe that is why you don't see load data advertised for them, except in the Lymann Reloading Book. I've run them a bit longer on subguns if the magazines can feed them ok. 1.17 was my OAL for 158RN. There are currently a bunch of commercial casters making 160RN. Again, I prefer the .358 diameter (since my chambers will accept a round loaded with a .358 diameter bullet). Lucky for me they size them for 38/357 @ .358.

The 145RN were all mild loads and I'd shoot them in Sigs, Berettas, CZ, G..., and my 38/357 revolvers as well as F/A guns. Excellent bullet that Saeco 64928. When weights get up to 158 and better, the ammo is used in the open bolt sub guns.

Remember, IMI sold 158's loaded in 9mm ammo. I figure that my be why the Uzi has 1-10 twist.

Just make sure whatever you are shooting is stabilizing. Shoot paper for awhile. If bullets are going sideways into the paper, just think what they can do for your can!

Enjoy,

K2
 
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BWE Firearms

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kcininck,

If you get the Saeco 64928 145RNBB mold and size to .358" I will definitely buy a bunch. I know a bunch of other guys that will be interested.
 

Riley

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I know this is older thread, however Rocky mountain reloading has 147 grain complete metal jackets available for $115/K and they have been great to me. Probably worth a look. I am not an internet or tech guy so google them. I am happy with the quality and consistency of what they sell. Happy 2015 to all
 

JohnFreeman

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3.4 g Unique and a 147g Lucky 13 coated bullet at COL 1.12-1.125 gives me right at 910-920 FPS. Very quiet and soft shooting in subgun or G17
 

K2

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Hi All,

FWIW, there are several bullet casters offering 160grRN and 170grRN with the "Hi Tek" coating. I'm not chemist but the bullet has some heat set polymer baked on. No exposed lead. Smell a bit funny when fired. Very clean barrel. I've not tried the NLG (No Lube Groove) version of the 160RN. The LG versions I've fired seem to work just fine subsonic and hit falling plates with quite a bit of snap. I've only used them at 1.15 OAL and there have been no signs of pressure running them around 950 FPS in a 10" barrel, 1-10 twist.

Just thought I throw these out there. IMI made the old 158grRN Blue Tip ammo years back. Now it is easy to roll your own.

Good Luck,

K2
 

strobro32

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I would like to try them too because I powder coat. Hardline Industries was the only place I could find selling the molds without a lube groove. I emailed them twice for a quote on a mold but they have not responded. :dunno

I have been using my Lee 158 grain cast bullets (which cast at 161 grains w/ my alloy) but they are really dependent on the right brass thickness.
 

JimmyTX

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Just in case any of you guys check back on this thread......."Remember, IMI sold 158's loaded in 9mm ammo. I figure that my be why the Uzi has 1-10 twist.
" SG Ammo is selling this 158gr 9mm military surplus loads by box or case again, just FYI.
 

atfsux

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During this dry spell, I had to use what powder I could get my hands on. I acquired 5 lbs. of Ramshot ZIP. I'm using 147 grn. Blue Bullets that are poly-coated LRN. With a charge of 3.4 grains over a CCI standard pistol primer and loaded at 1.17 OAL, and am getting 950 fps out of a Glock 19, and 1025 fps out of the Uzi.

I had started out at 3.9 grains, which produced a screaming 1115 fps in the G19 and 1205 in the Uzi.
 

Deerhurst

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Figure I should add my load.

165gr Plated Xtreme Bullets
2.8gr Titegroup
OAL: 1.150"
Velocity: 775FPS

This is a fairly hot load but seems to work fine in everything Ive shot it in from Glocks to PSA AKVs to Mac10 with a Lage MAX10/31. It is very very quiet.
 

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