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Thread: Moderators in films.

  1. #1

    Moderators in films.

    Well, just watching layer cake and it got me thinking, in films, when ever people have moderators on there rifles/pistols they have a sort of thrut noise. Are such moderators actually in existence? or is it just in films? Is it a case of such things not being available to the public for the obvious reasons of the danger they could pose? if they got in to the wrong hands. Bit of a silly thread I know so please forgive me but its just a bit of interest and light hearted.

    George

  2. #2
    That 'phut' always makes me smile!

    Do you shoot subsonics with a .22LR? The way pistols are portayed, is that the noise is subsonic, however, subsonic ammo, isn't a big thing in the pistol world.

  3. #3
    subsonics get used in military circles for obvious reasons, the quietest pistols fire from a locked action to prevent excessive noise, so you had better hit first time! if I remember correctly there was a fully suppressed Sterling SMG varient, with the loadest noise being the cycling of the action and the rounds hitting the target.
    "Politicians must be allowed to panic. They need activity. It is their substitute for achievement"
    "'The matter is under consideration' means we have lost the file. 'The matter is under active consideration' means we are trying to find the file."

  4. #4
    Back in the pistol days, one day I was stood 15m to 20m to the side of a section 5 dealer using one on auto. Very impressed by how quiet it was when compared to standard Stens. Can't be certain but I think that the ammunition that he was using was nothing special. He was certainly using the same stuff in pistols with a normal report. I know that the .32 wellrod and the .45 DeLisle carbine are meant to be "almost silent" but I have not seen / heard them being used.

    Fred


    Quote Originally Posted by kennyc View Post
    subsonics get used in military circles for obvious reasons, the quietest pistols fire from a locked action to prevent excessive noise, so you had better hit first time! if I remember correctly there was a fully suppressed Sterling SMG varient, with the loadest noise being the cycling of the action and the rounds hitting the target.

  5. #5
    Quote Originally Posted by groach1234 View Post
    Well, just watching layer cake and it got me thinking, in films, when ever people have moderators on there rifles/pistols they have a sort of thrut noise. Are such moderators actually in existence? or is it just in films? Is it a case of such things not being available to the public for the obvious reasons of the danger they could pose? if they got in to the wrong hands. Bit of a silly thread I know so please forgive me but its just a bit of interest and light hearted.

    George
    As people have mentioned the most noisy thing is the slide moving to reload the weapon. Quite a few pistol rounds are subsonic so they are pretty easy to quieten down and having used a B&T mod on a semi auto 9mm pistol they work pretty well. Back in WW2 the MoD commissioned about 250 d'lisle silenced rifles for taking out sentries. I used one of these about 10 years ago and , if my memory serves, it was based around the .45 pistol round with a bolt action operation. It was a crude and poorly engineered with a sloppy and very noisy action but is was very quiet indeed and you did get that 'phut' sound. I was shooting at 50 yds and was just about hitting the target board - hidious sights and apparently these were supposed to be good for 150 yrds. I do doubt that. So yup, subsonic rounds in a single shot weapon can be very quiet and will go 'phut'

    fabnosh

  6. #6
    I had a fully moderated .308 built on a Mauser action primarily for culling/control in sensitive locations. Even using 150gr BTs loaded to make them deer legal the noise reduction was very good - somewhere akin to a .25 acp pistol - and it was often possible to take a number of animals from a group before they started to wander off.

    While experimenting I tried loading to get truly subsonic with a variety of bullets but accuracy went out of the window long before the dbs.

    The biggest cinematic faux pas must be where they dramatically mount a moderator/silencer onto a revolver before 'silently' whacking someone! IIRC Lee Marvin and Clu Gulager in The Killers were guilty of it.

    Attachment 4530

  7. #7
    Yes it is possible, the Patchett (based on the sten) all you could hear was the bolt hitting the return stop, it was demonstrated on the "Burke Specials" in the late 1970's early 80's. The american seal teams use a silenced pistol, a .45, which is good for ten shots before the silencing starts to deteriorate. The Russians also had a VAL Silenced Sniper System with subsonic 9mm rounds. The film industry, as with television, always take factual liberties with the truth of these matters.

    Simon
    Blindness to suffering is an inherent consequence of natural selection. Nature is neither kind nor cruel but fiercely indifferent.

  8. #8
    Some people believe you can hear Bruce Lee's fists whistle through the air

  9. #9
    Here's an interesting one - the silent shotgun shell!

    I remember reading about this a looong time ago.



    As a result of the problems in effectively silencing a shotgun firing conventional shotgun cartridges, the US Navy decided to try a different approach. In 1967, the Navy announced a requirement for a silent shotgun cartridge that could be fired from unmodified, conventional military shotguns. Although this may have seemed like an impossible task, AAI Corporation did in fact come up with such a cartridge, based on their patented Telecartridge™. Intended for use by Navy SEAL and Marine Recon teams, the Silent Shotgun Shell has to be one of the most unusual cartridges ever developed.


    The AAI Silent Shotgun Shell utilized an explosive propellant under a folded, steel Telecartridge cup. When fired, the expanding gasses extended the cup. The payload, consisting of 12 #4 buckshot was expelled by the initial impulse. The sealed Telecartridge cartridge cup contained the gasses, flash and most of the noise.


    The Silent Shotgun Shell was a great idea, but it too proved impractical. To prevent the Telecartridge from rupturing, the muzzle velocity of the round had to be reduced to just 450 fps. The low velocity resulted in a short range cartridge of limited lethality. This coupled with the high cost of the rounds caused the project to be dropped after only 200 test rounds were delivered to the US Naval Ordnance Testing Laboratory
    Last edited by Orion; 25-01-2011 at 11:10.

  10. #10
    Quote Originally Posted by DL View Post
    The way pistols are portayed, is that the noise is subsonic
    ...which is what many pistol loads actualy are, of course!

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