300 Whisper AR15

[wesley123]

The rifle follows the M4 Carbine build with a collapsing stock in this case from MagPul Industries Corp, and a 4-way forend that fully floats the heavy 13” stainless barrel. The upper receiver is a flat-top with an integral, fold-down, left hand cocking handle and a right hand conversion too. Mark told me he’s not a fan of ambi cocking ARs and feels the right side lever is enough, however if you want that facility just ask. Up front is the standard AR A-frame front sight and if you want to go ‘all-iron’ then D-handles are available.The 300 Whisper was designed by J.D. Jones as a true sub-sonic sniper round that would be effective up to 200 yards +. It could use most weights of standard .30” cal bullets that could be driven at below the speed of sound, so making a true silenced weapon. The base case used the 221 Fireball, but these days you can also use 222 or 223 Rem brass, which from our point of view is easier to get. I have to say the round does look a bit odd with the tiny case and big bullet on top.
Being based around a 223 the Whisper can be used in a standard AR15 platform, with just an upper receiver change being required. So if you appreciate what the AR has to offer, you can turn it into a Gallery rifle easily, as the ballistics of the Whisper fit into the criteria required. This strikes me as a good idea and also a lot easier to achieve than the SGC LA system and I always wonder why they never offered straight pull 30 Carbine gun for that purpose?

[LouBoyd]

I find it hard to believe that anyone would think that the 300 Wisper would make a good "gallery rifle". Your gallery had better have very solid walls. A 240 Sierra matchking at 1000 FPS has 533 ft-lbs of energy. It also has 30% more momentum than a typical 223 at the muzzle. And the 223 loses energy and momentum much more rapidly with distance. A 240 SMK @ 1000 fps muzzle velocity can be lethal at well over a mile. That doesn't mean it will be accurate at that distance, but it's certainly dangerous.

[usmc1986]

LOU,

This user account is obviously a SPAM BOT. Look at the other posts made about the same time and the links in the bottom of the message - I wouldn't click on them.

[Hoser]

Post reported.