Suppressors GAP built 338 "whisper"

762frmafr

762frmafr

Gunny Sergeant
Full Member
Minuteman
Feb 18, 2009
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http://g.co/maps/2jf23
www.promisedlandguns.com
#1
Well the final piece to my 338 Whisper project came in today. The 5/8-24 to 3-lug adapter. Now I can run my YHM 9mm 3-lug SMG suppressor on my 338 whisper. Specs on the rifle are as follows:

Remington 700 action with side bolt release
6.5 twist bartlein barrel 16" long chambered in 338 Federal
Badger bottom metal
McMillan A-5 stock
NF 20 MOA base

All parts screwed together by Flounder at GAP. 300 grain SMK's at 1050 with Trailboss. This thing should be literally whisper quiet.

338Whisper1.jpg


338Whisper.jpg


338Whisper2.jpg
 
#4
Re: GAP built 338 "whisper"

How is the case capacity when loaded? is there a lot of "free" space for the powder? I bet that 300SMK takes up a lot of room in the case. My 300 whisper is more consistant with the 220s and 240s to take up some of the extra room in the case. That is a sweet rig videos please
 
#8
Re: GAP built 338 "whisper"

<div class="ubbcode-block"><div class="ubbcode-header">Originally Posted By: Yasherka</div><div class="ubbcode-body">Is that "step" in the barrel aft of the 3-lug mount part of the mount? </div></div>

Yes...reason being is because it is a "step down" adapter. 5/8-24 to 3-lug where is is typically 1/2-28 to 3-lug.
 
#10
Re: GAP built 338 "whisper"

<div class="ubbcode-block"><div class="ubbcode-header">Originally Posted By: 762frmafr</div><div class="ubbcode-body"><div class="ubbcode-block"><div class="ubbcode-header">Originally Posted By: Chiller</div><div class="ubbcode-body">would love to see and hear video......
</div></div>

Will post video as soon as I settle on a projectile for hunting. If anyone has any suggestions I am all ears. </div></div>

reach out to AKASPOOK on here (Spook) on Quarterbore...if he doesnt have a good answer no one will...
 
#11
Re: GAP built 338 "whisper"

<div class="ubbcode-block"><div class="ubbcode-header">Originally Posted By: Malaga2</div><div class="ubbcode-body"><div class="ubbcode-block"><div class="ubbcode-header">Originally Posted By: 762frmafr</div><div class="ubbcode-body"><div class="ubbcode-block"><div class="ubbcode-header">Originally Posted By: Chiller</div><div class="ubbcode-body">would love to see and hear video......
</div></div>

Will post video as soon as I settle on a projectile for hunting. If anyone has any suggestions I am all ears. </div></div>

reach out to AKASPOOK on here (Spook) on Quarterbore...if he doesnt have a good answer no one will... </div></div>.

Done did that....he only confirmed what I was thinking. I have 100 Lehigh Subsonic projectiles on their way. http://www.lehighbullets.com/proddetail.asp?prod=338-501
 
#12
Re: GAP built 338 "whisper"

Lehigh is a great group. Saw them at SHOT last year and they were explaining their 95BMG. The projectile weights almost a pound! The muzzle brake the on the rifle was 30 pounds alone.

Pretty crazy shit!
 
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