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Search took 0.01 seconds. Search: Posts Made By: John3
Forum: 300 Whisper Ammo and Reloading 08-29-2007, 07:42 PM
Replies: 4
Views: 2,186
Posted By John3
New Corbon 300 Whisper Ammo

Corbon 300 Whisper sub-sonic ammo has been out of production for almost 2 years. I spoke with Corbon today. They plan to have new ammo with 220gr/sub-sonic loadings in production within 8 weeks.
...
Forum: 300 Whisper Ammo and Reloading 12-01-2005, 06:45 PM
Replies: 13
Views: 5,244
Posted By John3
I'm getting set-up to hand load sub-sonic rounds,...

I'm getting set-up to hand load sub-sonic rounds, trying to decide on a bullet. Most likely will be the 220gr SMK, but the 240gr. is tempting. What powder/load do you use, and what accuracy do you...
Forum: 300 Whisper Rifles and Pistols 11-28-2005, 02:17 PM
Replies: 17
Views: 3,441
Posted By John3
My SSK .300 Whisper 10" bbl upper is now shooting...

My SSK .300 Whisper 10" bbl upper is now shooting <1.5" groups consistently at 100 yards, with Corbon 220 gr. factory ammo, and the SSK suppressor installed. SSK replaced the barrel, but it still...
Forum: 300 Whisper Ammo and Reloading 11-28-2005, 01:42 PM
Replies: 13
Views: 4,308
Posted By John3
FYI, Natchez (and everyone else) is out of the...

FYI, Natchez (and everyone else) is out of the Corbon 220 gr. ammo. SSK has some of their handloaded 220 gr. ammo, 1040 fps, reformed 223 cases, for $75 per 50 (ouch!). This is overrun from a...
Forum: 300 Whisper Ammo and Reloading 11-28-2005, 01:36 PM
Replies: 3
Views: 1,742
Posted By John3
I called them, and they do not carry the Ruag...

I called them, and they do not carry the Ruag .300 Whisper ammo. I emailed RUAG and got no response.
Forum: 300 Whisper Rifles and Pistols 09-05-2005, 02:20 AM
Replies: 17
Views: 3,441
Posted By John3
I only got to test one other upper from our...

I only got to test one other upper from our order, and it was shooting 4"+ groups, too. I sent mine back to SSK on August 22nd, and am waiting for resolution. I'll post here when resolved.
Forum: 300 Whisper Rifles and Pistols 08-13-2005, 02:16 PM
Replies: 17
Views: 3,441
Posted By John3
JD Jones told me there is no difference in...

JD Jones told me there is no difference in accuracy, velocity or reliabilty in 300 Whisper Corbon 220gr sub-sonic between 10" and 16" barrels, and that the velocity is about 40 fps higher in 14”...
Forum: 300 Whisper Rifles and Pistols 08-13-2005, 12:56 PM
Replies: 17
Views: 3,441
Posted By John3
We did a group buy of 4 SSK uppers and...

We did a group buy of 4 SSK uppers and suppressors, through a local Class III dealer. The MSRP price for the upper is $1,100, and the suppressor $635 (extra $35 for the Black finish). The discount my...
Forum: 300 Whisper Rifles and Pistols 08-12-2005, 01:02 PM
Replies: 17
Views: 3,441
Posted By John3
No suppressor - still waiting for my Form 4...

No suppressor - still waiting for my Form 4 approval.

Barrel has no ports - JD Jones said it is more accurate that way ?!?

I don't have a Stoney Point OAL gauge for 300 Whisper, and I haven't...
Forum: 300 Whisper Rifles and Pistols 08-12-2005, 02:10 AM
Replies: 38
Views: 7,606
Posted By John3
I am getting 4 MOA groups with my new SSK Whisper...

I am getting 4 MOA groups with my new SSK Whisper upper, and won't be able to confirm the data on the Leupold SPR reticle until I fix my accuracy problem. This may take a few weeks if I have to send...
Forum: 300 Whisper Rifles and Pistols 08-12-2005, 12:34 AM
Replies: 17
Views: 3,441
Posted By John3
Artful, thanks for your insightful questions. ...

Artful, thanks for your insightful questions.

"How are you supporting the gun when firing the groups?
using Bipod or machine rest or sand bags or ?"

I'm using a Wichita rest with rear...
Forum: 300 Whisper Rifles and Pistols 08-11-2005, 10:43 PM
Replies: 17
Views: 3,441
Posted By John3
ND, thanks for your questions. Barrel is...

ND, thanks for your questions.

Barrel is new Shilen 1/8 twist, 10". About 60 rounds through it. Cleaned with Kroil & JB bore paste down to bare metal every shot for first 10, every other for next...
Forum: 300 Whisper Rifles and Pistols 08-11-2005, 01:40 PM
Replies: 38
Views: 7,606
Posted By John3
I just got my Whisper upper with 10" barrel, and...

I just got my Whisper upper with 10" barrel, and have been researching scopes and reticles. The .300 Whisper is difficult because it drops so quickly at sub-sonic velocities. It does have a very...
Forum: 300 Whisper Rifles and Pistols 08-11-2005, 01:05 PM
Replies: 17
Views: 3,441
Posted By John3
Corbon 220gr Sub-sonic Velocity & Accuracy

I am newto this forum, and just got a new SSK .300 Whisper M16 upper, w/10" barrel and suppressor.

Corbon 220gr sub-sonic is chronographing at 1035fps, high 1050, low 1020, with an SD of 10 fps....
Showing results 1 to 14 of 14

 
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