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1/25/2018 7:38:29 AM
Posted: 4/1/2006 10:08:28 AM EST
[Last Edit: 4/1/2006 12:49:21 PM EST by rsilvers]
I ordered some of each, and the ISMI are 0.062" in diameter and look nice.

The Brownells are 0.058"

ISMI are 2.5 times are expensive.

ISMI says they are 'heat treated, shot peened, and stress relieved.'

Link Posted: 4/1/2006 10:53:19 AM EST
Link Posted: 4/1/2006 11:06:38 AM EST
I live in a ban-state, so I can't just buy all of the delicious $10 each magazing deals that everyone else gets. I did get someone to sell me a case of 30 NIW preban USGI mags last year for a good price.

My goal is to make 'high-reliability' magazines that can stay fully loaded for long periods of time.

I am taking apart my old mags, blasting them, Gunkoting them black, and putting in Magpul followers and Ranger plates. I want to make up a set of mags I know I can count on. If any of them fail, I will mark them. If I notice one fails more than others, I will decommission it.

So mostly I am shopping for a spring that will stay compressed and not lose power.

Link Posted: 4/1/2006 11:23:06 AM EST
Link Posted: 4/1/2006 11:31:21 AM EST
[Last Edit: 4/1/2006 12:48:58 PM EST by rsilvers]
That means I want chrome-silicon, thanks.

I wonder if the military will ever switch to it?

Link Posted: 4/1/2006 11:38:51 AM EST
Why not just ask or guess who supplys Brownells springs.
Link Posted: 4/1/2006 12:27:31 PM EST
Link Posted: 4/1/2006 12:46:44 PM EST

I had no idea you made them.
Link Posted: 4/1/2006 4:25:27 PM EST
I ordered 6 new Brownells mags and opened the box up last night and found two with feed lips out of spec with very sharp edges, I think they will go back.

Link Posted: 4/1/2006 4:42:19 PM EST
There's a discussion about this over at 10-8forums.com; it seems like some believe that the ISMI are overkill and CS is exceedingly sufficient.
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