Subsonic 9mm with Berry’s 147gr Plated Bullets

Once you start shooting suppressed subsonic 9mm on steel you won’t want to stop! In this story we’ll look at an economical subsonic load using Berry’s 147 grain plated bullets, the Dillon RL 1100 reloading press, and more.

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Dillon RL-1100 Reloading Setup

The Dillon RL-1100 is a hardcore piece of reloading gear. With Dillon quality, a no BS warrantee, and 8 stations at your disposal, this is one versatile machine!

RL 1100 Die Stations: With Powder Check and Bullet Feeder

In order to accommodate the magnetic powder check die *and* the bullet feed die, bullet seating and crimping were combined at the last station (#8 as labeled below):

Here are the die stations shown above:

  1. Case inserter
  2. Sizer/De-Primer
  3. Swager (with hold-down)
  4. Priming (no die)
  5. Powder charge and expansion (expansion for pistol cartridges only)
  6. Double Alpha Magnetic Powder Check
  7. Mr. Bullet Feeder bullet feed die
  8. Bullet seating and Crimping

covered setting up the Mr. Bullet feeder and the magnetic powder check die in detail in my original article on the subject. You’ll want to check that out if you haven’t put one of these setups together before!

Also note that I’m using the KMS Squared UFO press light for the RL 1100  (new), this thing is awesome!

Here I’m using the following gear from the Double Alpha Academy:

Berry’s 147 grain 9mm Subsonic Load

For this loading session, I’m using the same load data from my “Magic Load” article– a great performing subsonic 9mm load.

Use load data at your own risk. Ultimate Reloader is not responsible for errors in load data on this website. Always cross-reference load data with manufacturer’s published data.

Scenario 1: CMMG Banshee 9mm with Osprey 45

I absolutely LOVE this combination! The CMMG Banshee in 9mm is a great AR pistol, but when combined with a suppressor and subsonic load, this Banshee goes into “fun overdrive”. Recoil is modest, sound level is whisper quiet, and ringing steel is the best way to enjoy this combination.

Here’s the chronograph data for the Berry’s 147 grain load with the Banshee:

Scenario 2: Glock 17 9mm with Osprey 45

The Glock 17 is a lot of fun with the Osprey 45! Another great combination. In another story I conducted some accuracy testing with this pistol and this load:

Glock 17, with Osprey 45

And here’s the chronograph data for this combination I recorded for this story:

Both the Banshee and the Glock performed well and the shocker was how close the average velocities were (less than 4fps difference). In the video I was surprised because I thought the Banshee has a longer barrel, but it’s actually listed as 5″, where the Glock 17 is typically 4.48″, with threaded barrel it’s about 5″! So no big surprise. One thing I know is I’ll be shooting this Berry’s 147 grain load a LOT more!

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Thanks,
Gavin

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