Just finished my RRA .458. Oddly enough, the flash on the camera makes it look silver....it's not. Black as any other 'Black gun' I own. I think I'll end up building a different lower for it, but this was a good start. Anybody know how to modify the Mag's for those large rounds?
.458 socom
- Thread starter OhioChief
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Z-Michigan
Member
Looks nice!
I thought half the point of 458 SOCOM was that it worked in 100% unmodified standard AR-15 magazines, same follower and everything.
I thought half the point of 458 SOCOM was that it worked in 100% unmodified standard AR-15 magazines, same follower and everything.
Nope. I'm pretty sure you need to trim off a little of the feed lips (lack of understanding of the proper terms). They load well, but the second round won't feed. I'll have to do some research. RRA should have it on their site, but I thought I'd ask while posting a pic.
Z-Michigan
Member
I don't own one, but the company that set this standard says you can use unmodified magazines:
http://www.teppojutsu.com/458.htm
I would try another brand/model of magazine before you start modifying the feedlips.
http://www.teppojutsu.com/458.htm
I would try another brand/model of magazine before you start modifying the feedlips.
lobo9er
Member
450 uses unmodified mags too i am pretty sure.
lobo9er
Member
Ammo pretty easy to get for this guy?
Time to buy a press and start reloading.
lobo9er
Member
I think your right
Sam Cade
Member
WHy do you have the rear sight so far forward...and backwards?
spartand003
Member
20 rounds for 60 bucks. 
Man, I wish I could afford that.
Man, I wish I could afford that.
Sam Cade
Member
Kinda hard to get a proper sight picture with the aperture that far away aint it?
Ohiochief,
The distance from the eye to the aperture is the magic behind that type of sight. If you have another AR or have a friend that has one. get a tape measure and sight down the alternate rifle, have someone measure from your nose to the sight.
Now set your RRA to the same distance.
~Mako
The distance from the eye to the aperture is the magic behind that type of sight. If you have another AR or have a friend that has one. get a tape measure and sight down the alternate rifle, have someone measure from your nose to the sight.
Now set your RRA to the same distance.
~Mako
jerkface11
Member
It's a pity the brass is always backordered and that the parent case is even more rare.
I have a couple presses, just haven't purchased the dies yet. I've got so many projects going that I'm not sure that's making my 10 budget item just yet, but it will. I agree, everytime I look at brass, and even much of the desired ammo, it's back ordered. Thankfully it's not meant to be a "plinker".
SBR has Brass in stock.
300 rounds for $241.40 that includes the $14.60 for shipping. That's cheaper than buying it directly from Starline. SBR sells it in 100 round increments and Starline has a minimum of 250 rounds.
http://www.sbrammunition.com/brass.html
~Mako
300 rounds for $241.40 that includes the $14.60 for shipping. That's cheaper than buying it directly from Starline. SBR sells it in 100 round increments and Starline has a minimum of 250 rounds.
http://www.sbrammunition.com/brass.html
~Mako
atomchaser
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You may have to modify the Mags if you are shooting some of the longer rounds. I had to remove some metal on my mags with my dremel to feed the 500 gr rounds.
That may well have been my issue atom, I did have some longer rounds. I should have tried going to different ammo before I assumed that they just needed modified. I'm going to try a different mag, and a couple different types of ammo. Thanks
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