Urban Daily Backpack Gun

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Glad the OP was able to reach a decision that met his requirements.
Willing to bet every vehicle owner on this forum has something capable of exceeding the speed limit in their locale and quite possibly doubling it. Necessary? Not for me to say. I do like having the ability to get around a tractor out on the unmarked roads around here, though. And this thread did help me kill the 30 mins between leaving work and my PT appointment...so there's that.
 
Before I make my main comment I'm going to agree with TheHermit and say that I think Cliche Bro is a troll.
I agree with you.

The concept of daily, routine carry of a PDW in a backpack in a North American city by a private citizen seemed so over the top, it is almost what some antigun media-savvy person would post for reaction in order to turn around for portrayal in liberal media and anti sites just how ridiculous "gun people" are and live up to their stereotypes.

You know how it'd get spun: "Gun nuts on internet forums are seriously discussing what AR-15 to take with them to 24 Hour Fitness..."

Most of us threw a PCC or AR in our vehicles during the recent periods of urban unrest if we had to do business nearby and had to go out. Probably prudent. But for one's routine business and errands? If there's a U.S. city where someone feels the need to carry daily a PDW -- presumably in addition to his concealed handgun --in a backpack, just in case, that's a city one might suggest that he be moving out of. asap.

And yeah, yeah, we do know that it's not about need, and we do understand the seriousness of the whole rights thing, but ... but geez, if one is pondering what PDW to carry around his city in his backpack, don't freakin' advertise to the world on social media. Unless maybe...

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Is there an advantage to 300 BLK over 9mm or 45 ACP at short range? I doubt there is with subsonic ammo. Rather I suspect the advantage would go to the bigger bullets. With supersonic ammo, the 300 obviously has the trajectory for greater practical range. At supersonic velocities, how do they compare at 50 yards or less?
 
You know how it'd get spun: "Gun nuts on internet forums are seriously discussing what AR-15 to take with them to 24 Hour Fitness..."
No doubt.
Well put, Will. I had not considered that possible antigun angle at all.
Yea, but they don't need THR for that, lots crazier than us out there.
 
In my further research I found 5" 300blk barrels made by V-Seven and SLR Rifleworks. https://slrrifleworks.com/micro-ar-barrel-assembly-5-300blk/
It looks like I can have an entire gun assembled for the same price as the Sig Rattler upper kit. The downsides are the lower would be dedicated due to the spring and buffer specs and if I wanted to sell it later it would be harder than selling a factory gun.

The krink is currently out due to weight and lack of familiarity with operating AK's.

The Lynx Defense backpack insert is still looking promising but apparently if you have tall sights on an AR you can only fit a 20 rd magazine, which is probably ok.

Has anyone found anything else I should look into?
 
There are countless tactical issues associated with carrying a gun in a back-pack in an urban setting. It is much more prone to being taken than a gun carried on the person. It would take a significant amount of time to press into service. Most urban self-defense situations don't afford people the amount of time that it would take to access a gun in a backpack. I am open to having my mind changed, but in general, it's not a good idea.
 
There are countless tactical issues associated with carrying a gun in a back-pack in an urban setting. ...It would take a significant amount of time to press into service. Most urban self-defense situations don't afford people the amount of time that it would take to access a gun in a backpack.
Right.

A backpack may be an appropriate way to transport a long arm rom one place to another, but is completely impractical for defensive carry.

Anyone who questions that should try it in some realistic FoF exercises.

I am open to having my mind changed, but in general, it's not a good idea.
If anyone can demonstrate how that method can be used effectively in a realistic urban situation and meet all of the requirements for lawful self defense, they should post a video.
 
I selected an SLR adjustable gas block for my 10.5" 300 BLK AR upper. Works very well.

But hardware is only half of the question. Ammo matters, too.

OP, are you planning on using subs or supers? And do you reload?

Both super and sub factory ammo will produce markedly lower muzzle velocities with a 5" barrel. I believe that most factory ammo is set up for what AAC calls the "optimal" 9" barrel. You'll want to make sure that expanding bullets you're planning to use don't slip below expansion threshold when fired from a 5" barrel.

Reloaders have a hard time overcoming this loss of velocity with supers due to case capacity and pressure limitations.

But reloaders CAN safely raise powder charges in subsonic loads enough to keep muzzle velocities up near 1050 fps. Even when fired from a barrel as short as 5".
 
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I found this backpack insert that looks useful. Has anyone seen something similar elsewhere?
https://lynxdefense.com/backpacks/the-policy/

A one-size-fits-all solution like the Lynx may not be perfect for the gun, magazines, and silencer you select. You may want to take the concept of the Lynx to a saddle-bag maker or shoe repair shop and ask him to sew something custom up for your kit. They're generally able to build whatever you want out of leather or heavy fabrics.

Have you thought about including some III-A panels in your sleeve?
 
I don’t think that it’s my job to tell other people whether or not they should do something unless they ask me for that advice.

In this case, since the question was not about practicality or legality, I think that it would have been better to either address the gear question, keep quiet, or ask the OP if they were willing to explain their rationale for carry.

Just my opinion, but unsolicited finger waggling and unflattering assumptions are not particularly High Road.

I couldn't agree more.

Also, the unsolicited fluff has gotten in the way of what for me is a useful hardware discussion.
 
Is there an advantage to 300 BLK over 9mm or 45 ACP at short range? I doubt there is with subsonic ammo. Rather I suspect the advantage would go to the bigger bullets. With supersonic ammo, the 300 obviously has the trajectory for greater practical range. At supersonic velocities, how do they compare at 50 yards or less?

Answers to these questions about 300 BLK, and many more, can be found here:

https://americanarmamentco.com/300-blackout/
 
I selected an SLR adjustable gas block for my 10.5" 300 BLK AR upper. Works very well.

But hardware is only half of the question. Ammo matters, too.

OP, are you planning on using subs or supers? And do you reload?
I do not. I'll carry supers and use subs for competition and training. I'll have to do some research on ammo.
 
A one-size-fits-all solution like the Lynx may not be perfect for the gun
Have you thought about including some III-A panels in your sleeve?
I was thinking about this today. The lynx is apparently made for pistol magazines and lacks padding at the bottom for the muzzle. And the armor is a good idea. I can probably have something made that fits the gun I get and incorporates a composite plate.
 
A Kel Tec SU-16C folds to fit in a tennis racquet bag which would go with your gym bag. The default is an AR pistol in .223 or .300 blk. You could build a 350 legend pistol, same size, 165 grains at 2100 fps.
Would a Shockwave satisfy your needs? Glock 17 with 2-3 33 round magazines.
 
You could build a 350 legend pistol, same size, 165 grains at 2100 fps.
Would a Shockwave satisfy your needs? Glock 17 with 2-3 33 round magazines.
The 350 legend is interesting. Glocks are good but I'm more interested in rifle calibers like the 300 or 7.62x39
 
Many of the responders in this thread should do some serious introspection about what side you're on. I think you should be ashamed of yourselves.

This is, fundamentally, a forum to support the Right to Keep and Bear Arms.

When someone asks how to do something or for gear advice, and you try to turn the discussion from what/how to why by questioning their need with ridiculous statements like "Is this for Guatemala, Syria, Chicraque?", you are supporting the anti-gun mentality of need-based restrictions that are not consistent with Rights. And you are insulting and shaming people who may for economic reasons live in high crime areas and feel the desire for something more than a pistol or who may have medical conditions that make shooting pistols more difficult. Do you really think members should have to justify to you their need to exercise a right before asking a question, especially if it involves explaining their disabilities or finances? And you are showing how either ignorant or dismissive you are to the recent events (aka peaceful protests) where intersections were blocked and random motorists and their families (even from "good neighborhoods") were terrorized by rifle-wielding criminals.

Certainly, providing advice on how to conceal pcc or rifles where legal, and how to interact with the general public in places like gyms where someone might call local law enforcement is useful and appropriate. But anyone who says "Well, you had better inform the gym that you are carrying such a beast and leaving it in your locker. If my gym, if you are unknown to most and someone is up on guns, we are calling the cops to take a look at you" doesn't deserve the right others have worked so hard to preserve.

Seriously, who thinks it's a good idea to waltz up to the kid at the desk and say "I've got a gun!" and tell him where you're keeping it? This is horrible advice. How is advising someone to inform businesses that you have a gun consistent with the RKBA or even just common sense? This is a slap in the face to the thousands of RKBA activists who worked so hard for decades to pass concealed carry laws so that people can protect themselves without exposing themselves to the judgement of others, risking their job, etc. And what does being "up on guns" have to do with it? are you saying you'd call the cops for one kind of gun but not another? Unbelievable that this anti-gun sentiment would be written here.

TLDR:
Don't carry your pcc to the gym because... - productive opinion/advice
You're just posturing and don't need to exercise your Right and I'll call the cops on you myself... - embarrassing anti-gun, pro-Fudd stereotype drivel

Not very THR, guys.

Poppycock.

Nobody is questioning anyone's rights or trying to prevent anyone from exercising them. Merely pointing out the monumental stupidity of what the OP suggests.

I might have the Constitutional right to shout racial slurs at the corner of McGowan and Scott street in Houston but that doesn't mean it isn't a egregiously bad idea or that my friends shouldn't attempt to dissuede me of such a notion.

Frankly, I think it disturbing that a moderator, of all people, would endorse such a brazenly moronic idea.

I thought this was The High Road, not Arfcom.
 
Awesome thread with some real good questions asked.

Of course, we really can't make a recommendation unless we understand the tactical scenario where one would need a concealed long gun that is slow to access.

Perhaps he comes under fire regularly from over 50 yards and needs to return fire but has a good long time to respond. Maybe they are shooting at him with muskets or Scythian compound bows. Or maybe he knows something we don't - maybe he has been monitoring radio traffic with his shortwave and knows the Nicaraguans and Cubans are about to take over!

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Have any of you enablers who are actually entertaining this nonsense stopped to think about what some guy carrying around a folding rifle in a backpack looks like?
 
Have any of you enablers who are actually entertaining this nonsense stopped to think about what some guy carrying around a folding rifle in a backpack looks like?
Could look like anyone. Why does that matter? I read through this again since it's been a few months.
https://www.thehighroad.org/index.php?pages/code-of-conduct/

Granted, it's on the OP to ensure that what he intends to do is legal in his locale. Is it responsible? That's a matter of perspective. Does he need it? Also perspective.

It doesn't seem that the OP has violated the Code of Conduct with his question as multiple moderators have commented without locking the thread. The OP has barely engaged any of the folks here in a tizzy over the merit of his options/choices let alone the ones who've made it downright personal. Seems more THR than half the comments here, whether I think his is a bad idea or not.
 
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