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SILENCER SATURDAY #38: 38Spc Vs 300BLK

Happy second day of fall, suppressed shooters and thank you for joining us for TFB’s Silencer Saturday. Where steaming some milk for your pumpkin spiced latte is louder than most of our subsonic setups. With hunting season upon us, those who live in restriction-free areas can reach for their suppressed rifle of choice. For many hunters in the Eastern United States, a pistol caliber carbine with the right load can be a great choice for medium-sized game at distances up to 100 yards. But why pick 38Spc or 44Mag when you can pickup a bolt action 300BLK that will push balistically superior bullets at either supersonic or subsonic velocities? Similarly, is there a difference in decibel readings between 300BLK factory ammunition?

SILENCER SATURDAY #38: 38Spc Vs 300BLK

After last week’s episode, many of you requested decibel meter testing of the 300BLK loads out of a bolt action host. Great idea. I also thought it would be an interesting way to compare one of my favorite suppressed rifles with my new favorite cartridge – The Ruger 77/357 using 38Spc versus the Remington Model 7 in 300BLK.

A basic, but satisfying test of some of the quietest suppressed centerfire carbine ammo available. Let’s take a look.

Griffin Armament Sportsman Ultra Light 300 – $795 MSRP C/O Silencer Shop

https://www.silencershop.com/silencers/7-62mm-rifle/griffin-sportsman-ultra-light-300.html

Remington Model 7 Kuiu 300BLK – $795 MSRP

https://www.remington.com/rifles/bolt-action/model-seven/model-seven-threaded

  • B&T2209 – A Weighted
  • 60 Degrees; 44% Humidity

SIG SAUER 220GR ELITE PERFORMANCE MATCH

https://www.sigsauer.com/store/300blk-220gr-elite-match-grade-otm.html

MILSTD 

  • 128.6
  • 128.5
  • 126.6
  • 124.2
  • 126.7

EAR

  • 120
  • 118.3
  • 118.9
  • 115.9
  • 118.0

HORNADY BLACK 208 A-MAX

https://www.hornady.com/ammunition/rifle/300-blackout-208-gr-a-max-black#!/

MILSTD 

  • 120+
  • 120+
  • 120+
  • 124.4
  • 123.1
  • 122.2
  • 124.
  • 123.1

EAR

  • 117.2
  • 120+ (Supersonic)
  • 115.1
  • 118.3
  • 118.4
  • 117.7
  • 120+

HORNADY SUB-X 190GR

https://www.hornady.com/ammunition/rifle/300-blackout-190-gr-sub-x-subsonic#!/

MILSTD 

  • 126.2
  • 127.0
  • 126.9
  • 124.6
  • 127.1
  • 123.1

EAR

  • 120.0
  • 118.5
  • 117.1
  • 117.5
  • 117.5
  • 118.7
  • 118.0

LIBERTY Mystic – $799

Mystic

Remington 38 Special 148gr Wadcutter

MILSTD 

  • 117.8
  • 119.4
  • 120+
  • 120+
  • 120+
  • 122.1
  • 122.6
  • 119.1
  • 121.1
  • 121.6

EAR

  • 117.1
  • 118.4
  • 118.9
  • 120+
  • 120
  • 124.1

300 AAC Blackout is typically chambered in platforms with barrel lengths ranging from 7” to 16”. Until recently, any commercially available ammunition had only been available in one load for each extreme in barrel length. What this means is that 300 Blackout ammunition that is designed to have a muzzle velocity of 1050FPS out of a standard 16” rifle barrel will often have a 900fps or less out of a 7” pistol/SBR barrel. At 100 yards this can result in as much as a 200fps drop making it more difficult for the shooter to get on target. Discreet Bal­listics offers its 300 AAC Blackout ammunition in either pistol/SBR (7-11”) or rifle (16”) barrel loads so that velocity is consistently in the 1000fps range no matter which platform the shooter is using.

I did not test the Discreet Ballistics 300BLK loads because my ammunition is specific for 7-11” barrels. There is an identical loading available for 16” barrels. Pretty neat.

Observations/Conclusions:

In my humble opinion, when it comes to suppression (and obviously ballistics), hanging up the pistol caliber carbine or lever action rifle in exchange for a quality 300BLK bolt action rifle makes sense. My initial belief was that the 38Spc wadcutter would be much quieter than the 300BLK subsonic loads. But whereas these wadcutters are pushing a 147gr pill at around 750fps, a true hunting round will result in a 200gr bullet traveling at 1000fps.

it took me many years to walk over to the 300BLK side of the house. And while I’m glad I have found my little slice of subsonic Blackout heaven, I won’t be ditching my Ruger 77/357 any time soon.

Thanks for reading. See you next week.


TFB’s Silencer Saturday is brought to you by Sig Sauer










Bowers Vers30 Precision Suppressor

Published on Sep 21, 2018 – Dustin Ellermann

Bowers Group releases their new precision 30 caliber suppressor. Chicks dig it. More info: https://fishgame.com/2018/09/bowers-v…

B&T Suppressors – Innovation & Controversy 

Published on Sep 20, 2018 – Military Arms Channel 

 

PLEASE SUPPORT MAC ON PATREON (we are viewer supported): http://www.patreon.com/militaryarms B&T got its start in the firearms world by Karl manufacturing silencers in Switzerland. That evolved into manufacturing firearms and finding great success with his designs. He’s partnered with global powerhouses like HK and designed small arms used by militaries and police units world wide. In this video we talk about B&T’s early days and their silencer designs. We also learn some interesting history that feeds the arguments online as to who came up with what first.

Guns Vs Slime

Published on Aug 30, 2018 – TFBTV

Non-Newtonian liquid, Oobleck, Slime, Flubber, Gak, Maxwell liquid: Whatever you want to call it, videos and tutorials for making this strange semi-liquid material have been blowing up in popularity lately. What makes these materials unique is the fact that some of them adopt a more solid state when more pressure is applied to them, although they are liquids under low pressure. This raises the question: is slime bulletproof or bullet resistant? How will this material react to gunfire? In this episode of TFBTV, James Reeves tests out glue-and-starch based slimes against a Walther PPK in .22; an FN 509 Tactical in 9mm; an Ideal Conceal “Cell Phone Gun” in .380 ACP; a Chiappa Rhino in .38 Special and .357 Magnum, and, last but not least; the Smith & Wesson 500 Magnum – the most powerful handgun on the planet.

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