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View Full Version : Anyone made a 20rd mag hold 10?


DB2
01-15-2007, 8:23 AM
I need to modify an old 20 round straight body mag only hold a max of 10. I know it has to be permanent, but I don't want to be welding on it because the finish will be destroyed. Has anyone done this? C-Products makes that 10/30 mag but it's not correct for my rifle, and a bushmaster doesn't look right either because it's not straight. The old colt 20 rounders is what it is supposed to be.

Any suggestions?:cool:

tenpercentfirearms
01-15-2007, 8:31 AM
http://www.bushmaster.com/_hidden/m17s/30-425.asp

Santa Cruz Armory
01-15-2007, 8:58 AM
Dont bubba up a pre ban, just buy a Bushy 10 rounder from 10%. Keep your pre bans for when you want to go gripless.

http://www.tenpercentfirearms.com/index.php?main_page=product_info&cPath=10&products_id=29

Or look here:
http://www.tenpercentfirearms.com/index.php?main_page=index&cPath=10&zenid=e68fb7f3983912753457790aa4f476da

mltrading
01-15-2007, 12:20 PM
I can not agree with blfd1 more!!! Save your pre-ban high-cap ones.

Heard that C-product has 10/20 mags. Give TenPercent a call.:)

DB2
01-15-2007, 1:43 PM
http://www.bushmaster.com/_hidden/m17s/30-425.asp
It's just not the same.:( The finish isn't correct. I guess I could weather it. As far as the preban goes it's one of 40 so no big thing, and it's only preban here. It just sucks that I have basicly built a M16A1 from all Colt parts (less lower and trigger) and I can't put the correct Colt mag in it.:mad:

five.five-six
01-15-2007, 1:48 PM
I Am Looking Or A 10 Round Body That Holds 20 :)

rorschach
01-15-2007, 1:57 PM
I think what the OP is looking for is an early Vietnam-era 20 round straight mag, but blocked to hold 10 rounds??

I was looking for 20 round straight tubes as well for a possible M16A1 clone project.

Socal858
01-15-2007, 5:38 PM
i think armalite has some

dont buy out the whole stock though, i want some too :)

bwiese
01-15-2007, 5:49 PM
Why you wanna cripple a legit 20rd mag I simply dunno.

If you DO decide to do it, the change must be *permanent* and essentially irreversible. Please see my stickied thread near the top of the 2nd A/Legal forum about this. If the mag is not *permanently* converted to 10rds, a fixed mag build using such a mag could possibly be regarded as triggering the secondary definition of a rifle-based AW...

PLINK
01-15-2007, 6:55 PM
Is this what you are looking for?

http://i119.photobucket.com/albums/o133/PLINK223/FS/100_1607.jpg

http://i119.photobucket.com/albums/o133/PLINK223/FS/100_1606.jpg

This is a Promag 10/20 mag. I compared this to the Armalite one and did not see any real difference between the two. The Armalite may have a better follower. I plan on putting a Magpul anti-tilt follower in this mag anyway.

DB2
01-15-2007, 7:21 PM
Is this what you are looking for?

http://i119.photobucket.com/albums/o133/PLINK223/FS/100_1607.jpg

http://i119.photobucket.com/albums/o133/PLINK223/FS/100_1606.jpg

This is a Promag 10/20 mag. I compared this to the Armalite one and did not see any real difference between the two. The Armalite may have a better follower. I plan on putting a Magpul anti-tilt follower in this mag anyway.

OOO OOO OOO!!!!

That might work. What does the finish look like? Black? I hope not, but I could change that.



I think what the OP is looking for is an early Vietnam-era 20 round straight mag, but blocked to hold 10 rounds??

Yes, exactly.

Why you wanna cripple a legit 20rd mag I simply dunno.

I don't want to. But I have gone through the trouble to build a pretty close clone to an A1, I hate to booger it up by using a mag that is nowhere close to period correct.

I still want to use a Colt mag, but that promag is pretty close. What does the base plate look like? I wonder if a Colt marked plate would fit?

PLINK
01-15-2007, 11:23 PM
The mag is black. The base plate looks standard and has a hole on the bottom for the bottom spring piece to sit in.

I bought this at the Gun Show for $16. Armalite has one that looks exactly like this but I think it cost more.

Make sure you post some pics of your rifle when you are finished.

xenophobe
01-16-2007, 12:09 AM
I wouldn't butcher a 20 round Colt mag.

The 20 round mags are way superior to any of the 30rnders for general range use. I never use my 30's in my AR... they just don't work well on the bench.