Search found 21 matches

by paberglund
27 Jan 2017, 05:41
Forum: 5.7x28 Reloading
Topic: LEE Factory Crimp Die
Replies: 0
Views: 1051

LEE Factory Crimp Die

I had good results using one of these - the group size decreased and the consistency of velocities and group sizes improved. I did have an issue at first - the collet was catching on the neck rim and it would cause the bullet to skew and shoulder to bend/bulge. To fix this, I used a punch and spread...
by paberglund
23 Apr 2011, 21:03
Forum: PS90 & Other 5.7x28mm Rifles
Topic: McGowan 28" barrel for the AR-57
Replies: 29
Views: 3504

Re: McGowan 28" barrel for the AR-57

I'm using a Wolfe Heavy Buffer and spring so I can load it a little hotter and it keeps the bolt closed longer. Had trouble with one of my handloads too, but it was on the lighter side. Factory cycled fine.
by paberglund
05 Mar 2011, 10:34
Forum: 5.7x28 Reloading
Topic: 5.7x28 Loads in Handloader Magazine
Replies: 12
Views: 2467

Re: 5.7x28 Loads in Handloader Magazine

Resurrecting this thread... Does anyone use Accurate #9? Does it really prevent severe shoulder movement? Thanks, Scott Yes I do. The only way to prevent excessive shoulder movement is to use a mild charge, but even then you will still have some movement.... If you use a max charge, you will experi...
by paberglund
27 Feb 2011, 09:15
Forum: FN Tactical Rifles
Topic: Installing a 5.7-28 upper on one of my AR15's
Replies: 9
Views: 1089

Re: Installing a 5.7-28 upper on one of my AR15's

Even better price - everyone should have an AR-57 upper! I think I'm right on the edge of blowback vs spring/buffer - I had one factory round that didn't cycle properly after I put in the buffer and spring. If I understand the mechanics of the 5.7 reading the material on this site, the pressure spik...
by paberglund
26 Feb 2011, 18:43
Forum: 5.7x28 Reloading
Topic: headspace guage for 5.7 X 28mm
Replies: 3
Views: 583

Re: headspace guage for 5.7 X 28mm

I missed the "case" part - here's EA's link to it http://www.eliteammunition.net/catalog/ ... 375618.htm
by paberglund
26 Feb 2011, 18:08
Forum: FN Tactical Rifles
Topic: Installing a 5.7-28 upper on one of my AR15's
Replies: 9
Views: 1089

Re: Installing a 5.7-28 upper on one of my AR15's

http://www.heavybuffers.com/ar15carbine.html I put one of the 9mm-QT Buffer - 11.5 ounces - $125 (comes with stiff spring) in mine, but that was to compensate for the longer barrel I bought for it (28"). I will say that the heavier buffers causes the cases to come out of the gun shaped more uniform...
by paberglund
22 Feb 2011, 21:48
Forum: 5.7x28 Reloading
Topic: Accurate 1680 powder
Replies: 0
Views: 566

Accurate 1680 powder

Has anyone seen load data for Accurate 1680 powder. This powder is used in the 22 Hornet and seems like it would be a good fit for the 5.7x28 in Savage Arm's model 25 bolt-action rifle (24" barrel) or in my AR-57 with the heavy buffer/spring combination (28" barrel). If you happen across some data, ...
by paberglund
22 Feb 2011, 20:23
Forum: PS90 & Other 5.7x28mm Rifles
Topic: McGowan 28" barrel for the AR-57
Replies: 29
Views: 3504

Re: McGowan 28" barrel for the AR-57

s4mur41h4x0r wrote:What type of lower is that? A RRA?
Blackheart International (BHI-15) Multi-calibre
by paberglund
21 Feb 2011, 17:50
Forum: PS90 & Other 5.7x28mm Rifles
Topic: McGowan 28" barrel for the AR-57
Replies: 29
Views: 3504

Re: McGowan 28" barrel for the AR-57

Looks very cool. How hard was it to change the barrel? I have an AR57 upper that I need to change barrels on but I have not had a chance to get too deep into it yet. Any direction would be appreciated! I had to take it to a gunsmith to have the barrel replaced. 57Center uses red loctite which requi...
by paberglund
21 Feb 2011, 17:47
Forum: PS90 & Other 5.7x28mm Rifles
Topic: McGowan 28" barrel for the AR-57
Replies: 29
Views: 3504

Re: McGowan 28" barrel for the AR-57

Your #s for the PS90 are off though, SS197 is approximately 2100FPS from the PS90 and SS195 is approximately 2600FPS from the PS90. My bad - I was looking at the P90 velocities! I'm definitely going to have to try some of Elite Ammunition's rounds and try some actual rifle powders to see if I can s...
by paberglund
20 Feb 2011, 20:43
Forum: 5.7x28 Reloading
Topic: Storage cases for 5.7x28mm
Replies: 1
Views: 263

Storage cases for 5.7x28mm

Here's a couple of tips I found while looking for ammunition storage cases for the 5.7x28mm cartridge: 380/9mm storage case - I'm using this to hold my empty cases while I deprime, resize, and prime. 38 Special/357 Magum storage case - these work great for loaded ammunition Just thought I'd share in...
by paberglund
20 Feb 2011, 20:35
Forum: PS90 & Other 5.7x28mm Rifles
Topic: McGowan 28" barrel for the AR-57
Replies: 29
Views: 3504

McGowan 28" barrel for the AR-57

I invested some money in a longer barrel for the AR-57 through McGowan. I'm extremely pleased with the results - SS197SR gives me 2200fps (~400 over PS90) and SS195LF gives me 2700fps (~350 over PS90). To compensate for the extra barrel length I put a Wolff heavy buffer/stiffer spring in. Here's a p...
by paberglund
20 Feb 2011, 20:17
Forum: PS90 & Other 5.7x28mm Rifles
Topic: the best buffer for ar57 uppers, proven and tested
Replies: 19
Views: 2796

Re: the best buffer for ar57 uppers, proven and tested

I got a Wolff Heavy Buffer with a stiffer spring, paid $128 (I think) and that made a world of difference in performance in my AR-57 upper. The combination is keeping the bolt closed longer so the cases are less deformed, more consistent velocities and the gun is a little more accurate. Very pleased...
by paberglund
04 Sep 2010, 06:37
Forum: PS90 & Other 5.7x28mm Rifles
Topic: Upgrading the AR-57
Replies: 12
Views: 1764

Re: Upgrading the AR-57

Apparently it can't figure out the dimensions of the image, so here's a link instead:

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by paberglund
01 Sep 2010, 06:06
Forum: PS90 & Other 5.7x28mm Rifles
Topic: Upgrading the AR-57
Replies: 12
Views: 1764

Re: Upgrading the AR-57

The normal buffer weighs around 8.5 oz, I've upgraded to a 11.5 oz tungsten buffer with a heavy buffer spring to make sure I'm getting the most I can out of the round before I lose energy to the blowback. I know I'm right on the edge because about 1 out of 10 of the factory 197 rounds fails to load ...
by paberglund
26 Aug 2010, 17:57
Forum: PS90 & Other 5.7x28mm Rifles
Topic: Upgrading the AR-57
Replies: 12
Views: 1764

Re: Upgrading the AR-57

Well...the first I noticed was that I no longer have that incredible BANG I got from a 16.04" barrel when shooting factory rounds - both the 195LR and 197SR produced a sound eqivalent to a .22 LR, you could almost get by without hearing protection. The 195LR came out at 2640 fps and the 197SR was at...
by paberglund
22 Aug 2010, 16:47
Forum: 5.7x28 Reloading
Topic: Reloading equipment for 5.7x28mm
Replies: 230
Views: 103042

Re: Reloading equipment for 5.7x28mm

One more category: bullet case

A .38/357 Magnum case will hold the 5.7x28mm round perfectly. If you just want something for the empty cases, you can use the .380/9mm case. I've used Cabela's or MGM brand cases for this.
by paberglund
22 Aug 2010, 16:32
Forum: PS90 & Other 5.7x28mm Rifles
Topic: Upgrading the AR-57
Replies: 12
Views: 1764

Re: Upgrading the AR-57

Sounds cool....would be curious to see the pics when you get it back. Do you really get enough recoil to justify the ARS stock? Or are you using it more for the mono pod? Just curious. We used to sell them but most people scoffed at the price on them so I stopped carrying them in our physical inven...
by paberglund
08 Aug 2010, 15:26
Forum: PS90 & Other 5.7x28mm Rifles
Topic: Upgrading the AR-57
Replies: 12
Views: 1764

Upgrading the AR-57

Why? 'Cause it's there... Well, the real reason is I got fed up trying to make a high-capacity magazine work with .22 Magnum. After shooting the AR-57 with both SS195LF and SS197SR I fell in love with it and sold my .22 Magnum, bought the reloading gear to go along with it and haven't looked back. H...