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Showing results 1 to 35 of 109
Search took 0.01 seconds. Search: Posts Made By: rsilvers
Forum: Rifles November 19th, 2012, 09:32 PM
Replies: 41
Views: 1,941
Posted By rsilvers
No - 300 BLK is much closer to 308 than you...

No - 300 BLK is much closer to 308 than you think. Let me give you three examples:

110 grain TAP 308 is 2800 fps from a 16 inch barrel. It drops to the muzzle velocity of 300 BLK at 130 yards. So...
Forum: Rifles November 19th, 2012, 09:01 PM
Replies: 41
Views: 1,941
Posted By rsilvers
51.8 cents a round for 300 BLK - a bunch cheaper...

51.8 cents a round for 300 BLK - a bunch cheaper than 30-30.

http://i277.photobucket.com/albums/kk62/bullseye_doc/374750_262316480481481_203519439694519_767459_1415306112_n.jpg
Forum: Rifles November 19th, 2012, 08:59 PM
Replies: 41
Views: 1,941
Posted By rsilvers
308 is much more effective, but it is a lot more...

308 is much more effective, but it is a lot more recoil and the guns are much heavier. I have struggled with the 308 vs 5.56mm debate in the past for my own home defense, and I really wanted to make...
Forum: The Depot November 6th, 2012, 06:43 PM
Replies: 16
Views: 868
Posted By rsilvers
Actually in every case I have seen, if a gun...

Actually in every case I have seen, if a gun won't run subsonic, it is simply because the manufacturer made the gas port too small or speced too heavy a buffer.
Forum: Recreational Shooting June 30th, 2012, 09:51 AM
Replies: 16
Views: 2,583
Posted By rsilvers
As far as I know, that is not an official...

As far as I know, that is not an official drawing, and the case length is not really 1.4 inches.
Forum: Recreational Shooting June 30th, 2012, 09:50 AM
Replies: 16
Views: 2,583
Posted By rsilvers
300 Whisper is a proprietary version of the...

300 Whisper is a proprietary version of the 300-221 Wildcat. 300-221 came before 300 Whisper(R), not after. Also, cartridge names (at least in SAAMI) never begin with a . So it is 300 BLK, not .300...
Forum: Rimfire May 31st, 2012, 07:17 AM
Replies: 27
Views: 2,222
Posted By rsilvers
Rimfire only?

Rimfire only?
Forum: The Depot May 27th, 2012, 08:08 AM
Replies: 5
Views: 847
Posted By rsilvers
$10.36 per box: ...

$10.36 per box:

http://www.cheaperthandirt.com/2AACO102860-1.html
Forum: Rifles May 4th, 2012, 10:13 PM
Replies: 117
Views: 4,168
Posted By rsilvers
I wanted to see what it could do at long range,...

I wanted to see what it could do at long range, so I went to a 600 yard range and was able to hit the 3 inch X-ring (1/2 MOA). No, not every time - just a few times out of 20 shots, but I was around...
Forum: Rifles May 4th, 2012, 03:23 PM
Replies: 14
Views: 816
Posted By rsilvers
Sierra 240 bullet is 1.590 long. Temp = 0F ...

Sierra 240 bullet is 1.590 long.
Temp = 0F
Velocity = 850 fps
Stability 0.976 - not enough.

The 220 gets 1.292 - indicates enough but not by much.

But the reality is, the bullets have some...
Forum: Rifles May 4th, 2012, 01:09 PM
Replies: 117
Views: 4,168
Posted By rsilvers
No, it is not a 0.5 MOA system, but it was used...

No, it is not a 0.5 MOA system, but it was used to shoot a 2.75 inch group at 500 yards.

When you shoot a good group, it does not make your rifle that all the time.

0.85 MOA is the best we have...
Forum: Rifles May 4th, 2012, 01:06 PM
Replies: 14
Views: 816
Posted By rsilvers
Greenhill Formula - that is obsolete. The Miller...

Greenhill Formula - that is obsolete. The Miller formula is the one to use if you don't have PRODAS.
Forum: Rifles May 4th, 2012, 12:00 PM
Replies: 117
Views: 4,168
Posted By rsilvers
7.62x39 is not reliable in an AR15. You can use...

7.62x39 is not reliable in an AR15. You can use it in a bolt gun, but you would have to deal with the unique bullet diameter.
Forum: Rifles May 4th, 2012, 11:58 AM
Replies: 117
Views: 4,168
Posted By rsilvers
Because the AR15 is popular, and the AR15 cannot...

Because the AR15 is popular, and the AR15 cannot shoot a 30-30. 300 BLK is the 30 caliber cartridge for the AR15.
Forum: Rifles May 4th, 2012, 11:57 AM
Replies: 117
Views: 4,168
Posted By rsilvers
Remington ammo has crimped and water proof...

Remington ammo has crimped and water proof primers. That costs more. They use the Sierra bullet. That costs more. They double-strike the brass to make it like NATO hardness. That costs way more, and...
Forum: Rifles May 4th, 2012, 11:51 AM
Replies: 117
Views: 4,168
Posted By rsilvers
A govt user shot a 2.75 inch group yesterday at...

A govt user shot a 2.75 inch group yesterday at 500 yards using a 10.5 inch AR upper and Remington 125 grain factory ammo.
Forum: Rifles May 4th, 2012, 11:43 AM
Replies: 117
Views: 4,168
Posted By rsilvers
While subsonic ammo is hard to make varmint-rifle...

While subsonic ammo is hard to make varmint-rifle accurate, I did not expect the Savage to be as accurate as possible because they went with a 1:10 twist and a 20 inch barrel.

1:10 twist will not...
Forum: The Depot February 21st, 2012, 10:11 PM
Replies: 8
Views: 1,248
Posted By rsilvers
Not that limited. 300 BLK has as much energy from...

Not that limited. 300 BLK has as much energy from a 16 inch barrel as 5.56mm has from a 24 inch barrel.
Forum: The Depot February 21st, 2012, 10:10 PM
Replies: 8
Views: 1,248
Posted By rsilvers
No, the pistol has system is excellent for...

No, the pistol has system is excellent for supersonic. You are thinking of barrels where the manufacturer made the gas port too large.
Forum: Rifles February 3rd, 2012, 05:46 PM
Replies: 77
Views: 3,447
Posted By rsilvers
The bullet would be too short to feed. 2.1 inches...

The bullet would be too short to feed. 2.1 inches is the shortest OAL that is very reliable in an AR - same as 223. You can go shorter if reliability is less important, or if you are using a single...
Forum: Rifles February 3rd, 2012, 03:38 PM
Replies: 77
Views: 3,447
Posted By rsilvers
7.62x40mm is not a SAAMI round, so larger...

7.62x40mm is not a SAAMI round, so larger companies won't make products for it. There is one or maybe a few companies working on it, while 300 BLK has about 90 companies. 7.62x40mm has less of a...
Forum: Rifles February 3rd, 2012, 03:23 PM
Replies: 77
Views: 3,447
Posted By rsilvers
That is the popular perception. Western Powders...

That is the popular perception. Western Powders did a study and it was determined that the free bore being shortened only accounted for 1000 psi typical (1500 psi max) additional pressure and 20 fps...
Forum: Rifles February 3rd, 2012, 03:19 PM
Replies: 77
Views: 3,447
Posted By rsilvers
No. I would not forecast that much. I do think it...

No. I would not forecast that much. I do think it will be the #1 alternative centerfire rifle AR cartridge within the next year.
Forum: Rifles February 3rd, 2012, 06:50 AM
Replies: 77
Views: 3,447
Posted By rsilvers
The Ballistic Research Facility of the FBI...

The Ballistic Research Facility of the FBI Academy in Quantico VA has completed its testing of Barnes 110 grain 300 AAC Blackout ammunition. They will furnish the test report to any Federal, State,...
Forum: Rifles February 3rd, 2012, 06:47 AM
Replies: 77
Views: 3,447
Posted By rsilvers
Lower cost to get into. Brass is as little as 11...

Lower cost to get into. Brass is as little as 11 cents a case. 30 cal is the most popular bullet size. 30 rounds in normal magazines. Normal bolt. 40% cheaper ammo than 6.8. Also I am the project...
Forum: Rifles February 3rd, 2012, 06:44 AM
Replies: 77
Views: 3,447
Posted By rsilvers
To be fair, the greater problem was barrel...

To be fair, the greater problem was barrel companies making bores that were smaller than SAAMI minimum cross-sectional area.
Forum: Rifles February 3rd, 2012, 06:42 AM
Replies: 77
Views: 3,447
Posted By rsilvers
308 does not even work in an AR15. That is the...

308 does not even work in an AR15. That is the whole point - 300 BLK works in AR15s.
Forum: Rifles February 3rd, 2012, 06:40 AM
Replies: 77
Views: 3,447
Posted By rsilvers
Quoted for posterity. What does 6.8 have to do...

Quoted for posterity. What does 6.8 have to do with it? 6.8 has more expensive ammo, requires a custom bolt, custom magazines, does not hold 30 rounds, the military never adopted it, etc.
Forum: NFA/Class 3/Title II January 11th, 2012, 08:06 PM
Replies: 28
Views: 11,530
Posted By rsilvers
http://img861.imageshack.us/img861/9338/300blk300s...

http://img861.imageshack.us/img861/9338/300blk300small.jpg
Forum: Rifles January 5th, 2012, 04:14 PM
Replies: 76
Views: 6,668
Posted By rsilvers
http://www.midwayusa.com/product/2923270375/advanc...

http://www.midwayusa.com/product/2923270375/advanced-armament-co-aac-brass-300-aac-blackout-762x35mm-primed
...
Forum: Rifles January 5th, 2012, 04:12 PM
Replies: 76
Views: 6,668
Posted By rsilvers
http://www.midwayusa.com/product/547535/remington-...

http://www.midwayusa.com/product/547535/remington-umc-ammunition-300-aac-blackout-762x35mm-115-grain-full-metal-jacket-box-of-20

300 AAC Blackout UMC is the #1 most popular rifle cartridge at...
Forum: Rifles January 2nd, 2012, 11:40 AM
Replies: 76
Views: 6,668
Posted By rsilvers
Check here for the UMC: ...

Check here for the UMC:

http://www.bullseyeindoorrange.com/

If they are out of stock on the UMC - there are a few other places that may have some - else the resupply is next month.
Forum: Rifles December 29th, 2011, 09:25 PM
Replies: 17
Views: 1,386
Posted By rsilvers
1/2-28 threads are possible on a 30 cal, but no...

1/2-28 threads are possible on a 30 cal, but no one does it. 9mm cans will get hot very fast with subsonic ammo, and cannot be used with supersonic ammo.

AAC makes a 12.5 inch upper.
Forum: Rifles December 6th, 2011, 04:31 PM
Replies: 118
Views: 6,397
Posted By rsilvers
http://www.midwayusa.com/product/547535/remington-...

http://www.midwayusa.com/product/547535/remington-umc-ammunition-300-aac-blackout-762x35mm-115-grain-full-metal-jacket-box-of-20
Forum: Rifles December 6th, 2011, 10:29 AM
Replies: 118
Views: 6,397
Posted By rsilvers
http://img521.imageshack.us/img521/9564/img7117url...

http://img521.imageshack.us/img521/9564/img7117urlsmall.jpg
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