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Posted: 8/21/2017 7:41:17 PM EDT
I use only USGI aluminum mags in my .300blk and only black PMAGs for 5.56, but I'm afraid my wife is going to forget and grab the aluminum mags for her 5.56 rifle - because she used the aluminum mags for years before PMAGs even existed.

I was thinking about using white hockey stick tape to wrap around the mag and write "300blk" on both sides of each mag. I know some places sell fancy rubber bands, but they don't look like they'd hold up to use with mag pouches.

Anybody done this? Any other ideas?

Thanks.
Link Posted: 8/21/2017 7:53:23 PM EDT
[#1]
Time to go buy some FDE Pmags.
Now you've got a new designated
color for your 300BO
Link Posted: 8/21/2017 7:53:46 PM EDT
[#2]
Quoted:
I use only USGI aluminum mags in my .300blk and only black PMAGs for 5.56, but I'm afraid my wife is going to forget and grab the aluminum mags for her 5.56 rifle - because she used the aluminum mags for years before PMAGs even existed.

I was thinking about using white hockey stick tape to wrap around the mag and write "300blk" on both sides of each mag. I know some places sell fancy rubber bands, but they don't look like they'd hold up to use with mag pouches.

Anybody done this? Any other ideas?

Thanks.
View Quote


Been some good threads on it, and the recommendations start with what you are doing..physically different mags that have visual and tactile differences.   Adding the markings helps too.   I also make sure to keep them in separate storage containers that are clearly labeled.  

If it is on a ready weapon then having the mag already inserted and the spare mag with it can help prevent grabbing the wrong one during stress.  If it is range time then do all you can to avoid shooting both calibers at the same time.   When I have both out, the 300BLK rifles and ammunition do not come out of the cases when the 5.56/.223 rifles are out.
Link Posted: 8/21/2017 7:54:54 PM EDT
[#3]
Buy some Testor's model paint and use a dot system.  1 for 5.56, 2 for 300 BLK, 3 for 6.5 Grendel, etc.  That way you know what they're for and others do not.

Bonus is you now have an excuse to put together a model.
Link Posted: 8/21/2017 7:58:54 PM EDT
[#4]
Discussion ForumsJump to Quoted PostQuote History
Quoted:
Time to go buy some FDE Pmags.
Now you've got a new designated
color for your 300BO
View Quote
My 300BLK rifle has FDE furniture and I have some Lancer FDE mags for it.
Link Posted: 8/21/2017 8:00:52 PM EDT
[#5]
For my part, I just don't shoot 300BO.

I keep my 5.45 mags separate by their distinctive shape and color compared to all my 5.56 magazines.
Link Posted: 8/21/2017 8:10:54 PM EDT
[#6]
I have hexmags for the 300, totally different look and feel
and just as a precaution, I put blue painters tape on the loaded and stored mags, peels right off and leaves no residue.

I also got a bunch of those rubber band like things at the NRA convention, some gun company was handing them out for free. 
Link Posted: 8/21/2017 8:13:30 PM EDT
[#7]



Link Posted: 8/21/2017 8:27:54 PM EDT
[#8]
Discussion ForumsJump to Quoted PostQuote History
Quoted:
Time to go buy some FDE Pmags.
Now you've got a new designated
color for your 300BO
View Quote
Mine were foliage green Pmags.

Until there weren't any more being produced.
Link Posted: 8/21/2017 8:31:21 PM EDT
[#9]
Buy some of the new 300 BLK PMAGS

https://www.magpul.com/products/pmag-30-ar-300-b-gen-m3-300-blk
Link Posted: 8/21/2017 8:38:05 PM EDT
[#10]
Discussion ForumsJump to Quoted PostQuote History
Quoted:
Buy some of the new 300 BLK PMAGS

https://www.magpul.com/products/pmag-30-ar-300-b-gen-m3-300-blk
View Quote
Still too close to call on a casual glance to me.  I think the mag is more designed to feed 300BLK better, and the differences are subtle and secondary.
Link Posted: 8/21/2017 10:05:50 PM EDT
[#11]
My 5.56 has od green furniture and mags. My 300 is black. Plus my 300 is a pistol so I only use 20 rd mags to keep it compact.
Link Posted: 8/21/2017 10:23:16 PM EDT
[#12]
My 300 is cerakoted FDE. Mags are all FDE/Coyote I guess now PMAGS.

FDE goes in 300. Black go in 556. 6.5 G isn't a huge concern as those are the only metal mags I have, but that might wind up being gray at some point.
Link Posted: 8/22/2017 8:24:50 AM EDT
[#13]
I use Lancer mags for my 300 blk, and Pmags for 5.56.
Link Posted: 8/22/2017 11:18:42 AM EDT
[#14]
Black PMAGs for 300blk.
Link Posted: 8/22/2017 11:56:14 AM EDT
[#15]
Why not just write "556" with marker in the dot matrix writing area on the Pmags? That's what it's there for
Link Posted: 8/22/2017 11:56:54 AM EDT
[#16]
Discussion ForumsJump to Quoted PostQuote History
Quoted:
Time to go buy some FDE Pmags.
Now you've got a new designated
color for your 300BO
View Quote
This right here... its the FDE rifle... don't put FDE mags in anything else but the FDE rifle
Link Posted: 8/22/2017 2:49:23 PM EDT
[#17]
I use those marked rubber bands. I have one around the handguard just in front of magwell and have matching ones on my magazines.
Link Posted: 8/22/2017 3:45:41 PM EDT
[#18]
Discussion ForumsJump to Quoted PostQuote History
Quoted:
I use those marked rubber bands. I have one around the handguard just in front of magwell and have matching ones on my magazines.
View Quote
This is another option, you could even go a step further and stencil the mags used for 300 with 300BLK in a high contrast color.
Link Posted: 8/22/2017 4:12:19 PM EDT
[#19]
I use Lancer Translucent Smoke mags for supersonic ammo and Lancer Clear for subsonic ammo. 
Link Posted: 8/22/2017 5:24:25 PM EDT
[#20]
I have hex bags exclusively for 300blk.  
Link Posted: 8/22/2017 6:01:03 PM EDT
[#21]
I use whatever is handy...

Why all the fuss ?
Link Posted: 8/22/2017 6:22:32 PM EDT
[#22]
Smoked Lancers for 300BLK.  

Black USGI aluminum mags for 223/556
Link Posted: 8/23/2017 12:12:05 AM EDT
[#23]
Lancers for .300 Blackout and PMAG/USGI for 5.56mm.
Link Posted: 8/23/2017 12:41:36 AM EDT
[#24]
Have you not seen the 2nd Die Hard? Red tape/ Blue tape, bromigo.
Link Posted: 8/23/2017 6:32:16 AM EDT
[#25]
Discussion ForumsJump to Quoted PostQuote History
Quoted:
Why not just write "556" with marker in the dot matrix writing area on the Pmags? That's what it's there for
View Quote
Best suggestion so far.

I was gonna say make a stencil and paint "300" on the side of the mag but the sharpie is a lot quicker/easier and easy to touch up when needed.

So far, I've only used 20 round mags. for .300 BO.  Don't shoot it much, don't need a lot of mags.
Link Posted: 8/23/2017 8:17:52 AM EDT
[#26]
I guess, really, I should have asked this question:

How do I mark my aluminum mags clearly, so the wife doesn't accidentally grab one of those instead of her PMAGs?

White hockey stick tape, then write on it with a sharpie?
Link Posted: 8/23/2017 8:22:42 AM EDT
[#27]
Bro, paint all of your wife's shit pink.
Problem solved, problem staying solved.
Edit- mark her stuff, not yours. She won't think twice about grabbing a painted mag if she doesn't know why it's painted. But if everything hers is pink or blue or muddy girl camo...
Link Posted: 8/23/2017 10:16:52 PM EDT
[#28]
I bought some of these.  

http://www.zepprecisionmachines.com/store/c6/Easy_ID_magazine_bands_100%25_Silicon_debossed_and_ink_filled%21.html

Helps me not only easily recognize my 300 BLK magazines, but to know which are loaded with supers and which are loaded with subs.

Link Posted: 8/24/2017 7:12:21 AM EDT
[#29]
Lancers are my 300 Blk mags. May get the new 300 pmag with the blank space on the side to label it, but not sure yet.
Link Posted: 8/27/2017 5:14:19 PM EDT
[#30]
Discussion ForumsJump to Quoted PostQuote History
Quoted:
Time to go buy some FDE Pmags.
Now you've got a new designated
color for your 300BO
View Quote
Except get Lancer mags
Link Posted: 8/27/2017 5:32:45 PM EDT
[#31]
Dye these

Attachment Attached File
Link Posted: 8/27/2017 5:44:08 PM EDT
[#32]
I use black magazines for the 300 Blackout which has black furniture. I used FDE magazines in the 5.56 which has FDE furniture.
Link Posted: 8/27/2017 5:46:09 PM EDT
[#33]
Discussion ForumsJump to Quoted PostQuote History
Quoted:
This is another option, you could even go a step further and stencil the mags used for 300 with 300BLK in a high contrast color.
View Quote View All Quotes
View All Quotes
Discussion ForumsJump to Quoted PostQuote History
Quoted:
Quoted:
I use those marked rubber bands. I have one around the handguard just in front of magwell and have matching ones on my magazines.
This is another option, you could even go a step further and stencil the mags used for 300 with 300BLK in a high contrast color.
I've done that too.
Link Posted: 8/30/2017 12:48:59 AM EDT
[#34]
30rd pmag s for 5.56

20 rd pmag for the heavier 300 Blk, and marked like this...

Attachment Attached File
Link Posted: 9/1/2017 3:32:51 PM EDT
[#35]
I only use 20 round pmags for 300 blk.  

If I want 20 rounders in 5.56, I use GI mags.
Link Posted: 9/1/2017 9:40:29 PM EDT
[#36]
Discussion ForumsJump to Quoted PostQuote History
Quoted:

I've done that too.
View Quote
I took a paint pen and wrote 300blk on my upper receiver near the bolt catch.  Then I do the same on the left side of my magazines.

Easy enough.

Now I just bought some 300blk Pmags and am just going to use those.  Still leaving the mark on my upper though.
Link Posted: 9/8/2017 8:10:36 AM EDT
[#37]
I use 30rnd mags for 5.56 and 20's exclusively for 300blk.
Link Posted: 9/8/2017 8:38:33 AM EDT
[#38]
Discussion ForumsJump to Quoted PostQuote History
Quoted:
Time to go buy some FDE Pmags.
Now you've got a new designated
color for your 300BO
View Quote
I came to post this. My 300BLK uppers are FDE and mags are FDE. My 5.56 uppers are black and my 5.56 mags are black.
Link Posted: 9/8/2017 12:11:39 PM EDT
[#39]
Translucent FDE Lancer mags for .300 BLK, aluminum/Magpul for all 5.56 ARs.  I also mark all .300BLK Lancers with a colored paint pen.  It is easy to tell the difference visually and by feel.
Link Posted: 9/8/2017 12:19:14 PM EDT
[#40]
I use foliage green Pmags.

They're the only foliage green item I own.
Link Posted: 9/8/2017 12:36:23 PM EDT
[#41]
Link Posted: 9/8/2017 5:07:01 PM EDT
[#42]
Discussion ForumsJump to Quoted PostQuote History
View Quote
Nice!  I haven't seen UDE in a long time!
Link Posted: 9/16/2017 6:05:21 AM EDT
[#43]
I put Magpul Ranger floor plates on my .300 magazines and leave my 5.56 mags with standard plates.

Easy peasy.
Link Posted: 9/16/2017 8:03:45 AM EDT
[#44]
Discussion ForumsJump to Quoted PostQuote History
Quoted:
I bought some of these.  

http://www.zepprecisionmachines.com/store/c6/Easy_ID_magazine_bands_100%25_Silicon_debossed_and_ink_filled%21.html

Helps me not only easily recognize my 300 BLK magazines, but to know which are loaded with supers and which are loaded with subs.

http://www.zepprecisionmachines.com/uploads/3/9/3/1/39318281/s546524128786609191_p27_i2_w640.jpeg
View Quote
5.56 is black 30 round PMag.
.277 Wolverine 20 round GI.
I use 20 round clear Lancer mags. Will get the bands to differentiate sub vs. super. 
Link Posted: 9/16/2017 8:08:40 AM EDT
[#45]
I use multiple colors of electric tape to designate what is in the mags. From .300bo to 5.56ap. Mags marked in blue are range safe ammo,  red is .300bo etc..
Link Posted: 9/16/2017 7:37:30 PM EDT
[#46]
300 AAC BLK 300BLK Blackout Magazine ID Identification Band Black Brown 12-Pack



I bought these bands, mags not included
Guy had low post count, I got them days earlier than expected.
I have no affiliation other than being a happy customer.
Link Posted: 9/17/2017 6:02:19 AM EDT
[#47]
I don't.  I only have so many magazines.  They are fiendishly expensive here when you can find them - PMAGS are $150, even GI mags are over $100.  So  I have to use the same magazines for both calibres.  Of course I never keep magazines loaded (it may not technically be illegal to do so here - but it sure would be frowned upon).   Also my 5.56 mm and 300 Blackout ARs are visibly quite different. I just have to rely upon keeping my wits about me. I examine all the ammunition I am taking to the range, and the bag I am carrying it in, to make sure only the ammunition suitable for use with the AR I am taking, makes it to the range.
Link Posted: 9/17/2017 6:53:03 AM EDT
[#48]
Paint a stripe on the .300 blk mags.  You could also use different color riggers tape on them.
Link Posted: 9/17/2017 2:43:34 PM EDT
[#49]
I use black and FDE Lancer's for my black and FDE 5.56's, and clear Lancer's for my FDE .300. I put the bands on the .300's too.
Link Posted: 9/30/2017 12:46:56 PM EDT
[#50]
I just use a yellow paint marker and write 300 on them,and keep them in a different crate then the others.

I'm now trying to decide if I want another 300 again as  I have a ton of mags already marked for it
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