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Posted: 7/30/2021 1:49:30 AM EDT
[#1]
Quote HistoryQuoted: I'm no firearms expert by any stretch, but when i first examined the bolt mechanism on mine. I thought it was brilliant. Locks tight in battery on multiple lugs and when the exhaust gasses presurize the bolt like a piston, the stroke is just long enough to pogo the bolt back to scrape in another round on the way to battery. Often wondered if Stoner invented that or did he borrow it? The only thing mechanical i recall that works that way are the explosive lifts for car stunts in films. Those use cylinders of steel pipe (loaded with explosives). When they are set off, a chunk of telephone pole is driven down and the car gets airborne. Melvin Johnson was working for Armalite at the time too, so... I'm guessing that was direct design input. |
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Posted: 7/30/2021 1:52:10 AM EDT
[#2]
Quote HistoryQuoted: It's rare and it PROBABLY won't happen to you. Would you rack yours in your bedroom with no hearing protection? I don't. Hence the one in my bedroom closet has a loaded magazine and no round in the chamber. If I face an intruder I'll rack the AR at that point, but it also means I'll reach for my fully loaded pistol first--it's ready to go. Anyway I'm not claiming it's a huge liability, but to me it is the biggest issue with the platform because it's the only issue that limits what I will routinely do with the gun.  https://www.youtube.com/watch?v=vdjKL_76e4kQuote HistoryQuoted: Quoted: Yeah, I've not seen an AR slam fire either. It's rare and it PROBABLY won't happen to you. Would you rack yours in your bedroom with no hearing protection? I don't. Hence the one in my bedroom closet has a loaded magazine and no round in the chamber. If I face an intruder I'll rack the AR at that point, but it also means I'll reach for my fully loaded pistol first--it's ready to go. Anyway I'm not claiming it's a huge liability, but to me it is the biggest issue with the platform because it's the only issue that limits what I will routinely do with the gun. https://www.youtube.com/watch?v=vdjKL_76e4kI would chamber an AR following the 4 safety rules anywhere without hearing protection on. One round popped off from a 16" gun indoors isn't going to kill your ears either. |
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Posted: 7/30/2021 1:57:30 AM EDT
[#3]
Spelling
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Posted: 7/30/2021 2:10:53 AM EDT
[#4]
Quoted: Is it the fact that it is a direct impingement system that blows unburned power and crud back into the receiver or is it something else? 
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Posted: 7/30/2021 2:12:27 AM EDT
[#5]
Quote HistoryQuoted: I figured him for a troll ever since his 4chan thread a while back. Maybe a month ago? here it is - https://www.ar15.com/forums/general/Arfcom-doesn-t-like-4chan-why-/5-2468236/ |
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Posted: 7/30/2021 2:15:31 AM EDT
[#6]
Susie Soccer Mom
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Posted: 7/30/2021 2:30:14 AM EDT
[#7]
Quote HistoryQuoted: At least OP didn't say "it s**ts where it eats." |
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Posted: 7/30/2021 2:33:11 AM EDT
[#8]
It is the perfect battle rifle. The M-16/M-4 family of rifles is already the longest serving design in US history. Since its invention no other rifle has proven more adaptable, more versatile, and more of an influence in design than the Black Rifle. Its influence will endure long beyond our children's lifetimes. I don't foresee its replacement on battle rifle design until replaced with an energy weapon.
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Posted: 7/30/2021 2:39:56 AM EDT
[#9]
Quote HistoryQuoted: The charging handle. The JP side charging system is the best improvement ever. |
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Posted: 7/30/2021 2:40:21 AM EDT
[#10]
Quote HistoryQuoted: I would chamber an AR following the 4 safety rules anywhere without hearing protection on. One round popped off from a 16" gun indoors isn't going to kill your ears either. Fair enough. My ears might survive, but I'm pretty sure if I put a hole in the bedroom floor, and the kitchen floor beneath it, and maybe though the stove or the fridge, that my marriage will not survive. So, I'll let the AR sit with an empty chamber. |
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Posted: 7/30/2021 2:40:58 AM EDT
[#11]
The user.
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Posted: 7/30/2021 2:41:04 AM EDT
[#12]
Oh Jesus Christ have we gone back to the “it shits where it eats” meme
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Posted: 7/30/2021 2:43:11 AM EDT
[#13]
"Achilles" heal of the AR rifle?
Joe Biden |
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Posted: 7/30/2021 2:51:15 AM EDT
[#14]
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Posted: 7/30/2021 2:51:55 AM EDT
[#15]
Quote HistoryQuote HistoryQuoted: Quoted: A single 300 BO in a 5.56 mag  
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Posted: 7/30/2021 2:57:30 AM EDT
[#16]
Quote HistoryQuoted: Firing pin blocks are simply another potential failure point. The M27/HK416 has a firing pin block. It's an AR pattern rifle but adapted in a bunch of ways to modernize it. |
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Posted: 7/30/2021 3:07:19 AM EDT
[#17]
Quote HistoryQuoted: +stock Careful if you need to butt stroke a commie. 
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Posted: 7/30/2021 3:08:19 AM EDT
[#18]
Quote HistoryQuoted: But the tiny distance we are talking about is much smaller than dropping a ball this is a spring recoil driven machine the spring compression is the force that propels the bolt. The spring has less compression force when its pulled to a half way point such as when the bolt is locked at the bolt catch but still has enough force to chamber a round properly. The sling shotted method I told you pull the bolt from a forward most position all the way back as far as the buffer tube buffer and spring allows and the buffer spring propels the bolt forward at high velocity albeit slower than firing the gun but still faster than releasing the bolt from halfway spring compression point like bolt catch. Quote HistoryQuoted: Quoted: OK I re-read this and I what I thought you were going to say you actually said. That is not how Physics works. Dropping a ball from height X and throwing a ball to height X will produce the same velocity when either hits the ground. Replace ball with BCG and gravitational force with the buffer spring force. But the tiny distance we are talking about is much smaller than dropping a ball this is a spring recoil driven machine the spring compression is the force that propels the bolt. The spring has less compression force when its pulled to a half way point such as when the bolt is locked at the bolt catch but still has enough force to chamber a round properly. The sling shotted method I told you pull the bolt from a forward most position all the way back as far as the buffer tube buffer and spring allows and the buffer spring propels the bolt forward at high velocity albeit slower than firing the gun but still faster than releasing the bolt from halfway spring compression point like bolt catch. Holy shit dude. Stop drinking and get a fucking clue. Or stop trolling. Either way, just fucking stop! |
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Posted: 7/30/2021 3:16:42 AM EDT
[#19]
Direct impingement is the best part.
My experience with junky AR15s goes wayyy back. Much of it was magazines(followers), like brand new out of wrap GI mags with black followers just didn't work. After that is was just cheap shit parts breaking, usually hammer/trigger pins, Bolts when shooting that Norinco stuff The magazine problems are gone, I got bent cracked GI mag held together with tape that work fine after putting magpul follower in it. These days, budget LPKs will go out, but at least they don't arrive rusty To answer your question, i would have to say.....it craps out with cheap shit parts. |
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Posted: 7/30/2021 3:17:59 AM EDT
[#20]
Quote HistoryQuoted: Holy shit dude. Stop drinking and get a fucking clue. Or stop trolling. Either way, just fucking stop! I think he's trolling or maybe a teenager, but if he's not, I'd suggest OP needs to take several classes with the terrible direct impingement system and report back how awful it performs. |
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Posted: 7/30/2021 3:35:19 AM EDT
[#21]
What breaks the most on high round count mil guns?
Gas tubes? Bolts? |
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Posted: 7/30/2021 3:38:55 AM EDT
[#22]
Quote HistoryQuoted: What breaks the most on high round count mil guns? Gas tubes? Bolts? Based on everything I've read, bolts and barrels are replaced every 10,000 rounds. Gas tubes are rarely replaced IIRC. |
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Posted: 7/30/2021 3:40:29 AM EDT
[#23]
Quote HistoryQuoted: What breaks the most on high round count mil guns? Gas tubes? Bolts? Besides the end user going full autist on his gear, the mil is way more hardcore with their rifles than any civilian will ever be. |
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Posted: 7/30/2021 4:03:29 AM EDT
[#24]
Quote HistoryQuoted: I think he's trolling or maybe a teenager, but if he's not, I'd suggest OP needs to take several classes with the terrible direct impingement system and report back how awful it performs. Quote HistoryQuoted: Quoted: Holy shit dude. Stop drinking and get a fucking clue. Or stop trolling. Either way, just fucking stop! I think he's trolling or maybe a teenager, but if he's not, I'd suggest OP needs to take several classes with the terrible direct impingement system and report back how awful it performs. He'll just "slam fire" the first round he chambers into his foot, or someone else. He should probably step back from the firearms. |
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Posted: 7/30/2021 4:05:49 AM EDT
[#25]
Quote HistoryQuoted: https://www.ar15.com/media/mediaFiles/80279/ABB6E1BF-6C13-4DDD-8F74-EA55346DEF43_jpe-2032768.JPG Okay noob, name the men in this photo without cheating. Beavis and Butthead! |
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Posted: 7/30/2021 4:19:15 AM EDT
[#26]
The mil spec charging handle isn't ideal.
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Posted: 7/30/2021 4:19:34 AM EDT
[#27]
Quote HistoryQuoted: https://www.ar15.com/media/mediaFiles/80279/ABB6E1BF-6C13-4DDD-8F74-EA55346DEF43_jpe-2032768.JPG Okay noob, name the men in this photo without cheating. I don't know, but that Stoner on the left has a Kalashnikov to protect his stash, and the other one is Henry Gibson, an Illinois Nazi.
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Posted: 7/30/2021 4:22:59 AM EDT
[#28]
Quote HistoryQuoted: I promise you, those stocks are more than capeable of cracking a skull or three before breaking. The plastic used is seriously hard shit, and is thick. With that said, if you're buttstroking someone, either your situational awareness sucks or your ran out of ammo. The biggest heel that I've seen is the operator. They take it apart and put it together wrong, never bother to clean it correctly, or just flat out abuse it. I had an M4A1 come in recently that the guy said would need manual cycling after every shot. I found the unit armorer took off and reinstalled the gas tube upside down. No idea how he manged to do it, and yet he did.  I beat an exterior doorknob in a steel door off with one. No apparent damage. Plain m4gery stock on a generic. |
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Posted: 7/30/2021 4:23:57 AM EDT
[#29]
Quote HistoryQuoted: The mil spec charging handle isn't ideal. There are a few upgrades that are nice, I'll add the A5 Buffer system. |
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Posted: 7/30/2021 4:30:00 AM EDT
[#30]
It is absolutely the magazine. It was designed to be disposable, meaning it is too thin for maximum durability.
I've seen many aluminum mag-related malfunctions but very very few other malfunctions. Thank God for Magpul for delivering us from GI mags. |
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Posted: 7/30/2021 4:32:07 AM EDT
[#31]
Quote HistoryQuoted: Fair enough. My ears might survive, but I'm pretty sure if I put a hole in the bedroom floor, and the kitchen floor beneath it, and maybe though the stove or the fridge, that my marriage will not survive. So, I'll let the AR sit with an empty chamber. Quote HistoryQuoted: Quoted: I would chamber an AR following the 4 safety rules anywhere without hearing protection on. One round popped off from a 16" gun indoors isn't going to kill your ears either. Fair enough. My ears might survive, but I'm pretty sure if I put a hole in the bedroom floor, and the kitchen floor beneath it, and maybe though the stove or the fridge, that my marriage will not survive. So, I'll let the AR sit with an empty chamber. Not with a 193 you won't. |
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Posted: 7/30/2021 4:35:04 AM EDT
[#32]
Quote HistoryQuoted: It is absolutely the magazine. It was designed to be disposable, meaning it is too thin for maximum durability. I've seen many aluminum mag-related malfunctions but very very few other malfunctions. Thank God for Magpul for delivering us from GI mags. |
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Posted: 7/30/2021 4:36:55 AM EDT
[#33]
Quote HistoryQuoted: I forget the reason why Stoner went away from his original AR10 location of the handle. Quote HistoryQuoted: Quoted: I hate the charging handle and the location of the charging handle that aims gas right into your face. Minor complaint really I read once that it tended to get hot, being so close to the chamber. Seems like it was in the same place as an M1 or M14 charging handle, but whatever. |
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Posted: 7/30/2021 4:37:00 AM EDT
[#34]
Set screw gas blocks
 Dimple or not, dumbest avoidable issue connected to an essential component. A close second would probably be bolt lugs in hard running rifles |
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Posted: 7/30/2021 4:41:00 AM EDT
[#35]
Quote HistoryQuoted: But the tiny distance we are talking about is much smaller than dropping a ball this is a spring recoil driven machine the spring compression is the force that propels the bolt. The spring has less compression force when its pulled to a half way point such as when the bolt is locked at the bolt catch but still has enough force to chamber a round properly. The sling shotted method I told you pull the bolt from a forward most position all the way back as far as the buffer tube buffer and spring allows and the buffer spring propels the bolt forward at high velocity albeit slower than firing the gun but still faster than releasing the bolt from halfway spring compression point like bolt catch. Quote HistoryQuoted: Quoted: OK I re-read this and I what I thought you were going to say you actually said. That is not how Physics works. Dropping a ball from height X and throwing a ball to height X will produce the same velocity when either hits the ground. Replace ball with BCG and gravitational force with the buffer spring force. But the tiny distance we are talking about is much smaller than dropping a ball this is a spring recoil driven machine the spring compression is the force that propels the bolt. The spring has less compression force when its pulled to a half way point such as when the bolt is locked at the bolt catch but still has enough force to chamber a round properly. The sling shotted method I told you pull the bolt from a forward most position all the way back as far as the buffer tube buffer and spring allows and the buffer spring propels the bolt forward at high velocity albeit slower than firing the gun but still faster than releasing the bolt from halfway spring compression point like bolt catch. I'm not sure how much more clearly this can be stated, but you're wrong. The bolt velocity returning to battery during the firing cycle is at least as great as when you slingshot it manually. |
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Posted: 7/30/2021 4:46:19 AM EDT
[#36]
Quote HistoryQuoted: Set screw gas blocks Dimple or not, dumbest avoidable issue connected to an essential component. A close second would probably be bolt lugs in hard running rifles Dimpled with the proper Loctite, Loctite 243, it isn't going anywhere. Even the military does this. |
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Posted: 7/30/2021 4:56:01 AM EDT
[#37]
Quote HistoryQuoted: The user. Then there are the crayon eaters that can break anything with nothing but how stupid they are. A properly built AR is a beautiful thing. But when someone bubba-fucks with it, anything can go wrong. Same with any other rifle. |
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Posted: 7/30/2021 4:57:02 AM EDT
[#38]
Quote HistoryQuoted: I've never ever had any issues with USGI mags. Even old beat to shit military 2nd hand mags. |
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Posted: 7/30/2021 4:59:08 AM EDT
[#39]
Quote HistoryQuoted: Agreed, magazine is weakest link. Quality mags in good condition is a must have. |
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Posted: 7/30/2021 5:24:22 AM EDT
[#40]
Quote HistoryQuoted: None. It's perfect. |
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Posted: 7/30/2021 5:45:36 AM EDT
[#41]
Quote HistoryQuoted: Dimpled with the proper Loctite, Loctite 243, it isn't going anywhere. Even the military does this. Just gonna let this one marinate for a bit so someone can respond |
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Posted: 7/30/2021 5:52:40 AM EDT
[#42]
I remember someone at Knights Armament saying the best thing you could do for the AR would be to redesign the magazine and lower for a consistently curved mag body, but that would never happen since it would mean trashing all the existing mags.
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Posted: 7/30/2021 5:55:20 AM EDT
[#43]
Quote HistoryQuoted: Just gonna let this one marinate for a bit so someone can respond Quote HistoryQuoted: Quoted: Dimpled with the proper Loctite, Loctite 243, it isn't going anywhere. Even the military does this. Just gonna let this one marinate for a bit so someone can respond That along with torquing the screws to 25-inch pounds. |
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Posted: 7/30/2021 5:56:41 AM EDT
[#44]
There's a good reason it's been around so long.
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Posted: 7/30/2021 5:59:42 AM EDT
[#45]
Buffer spring retainer doohickey.
If that little thing allows the buffer to get past it, it jams the entire gun. You can't move the BCG or sit the receivers without taking off the stock and buffer tube. Yes Ive had it happen and it's a royal pain in the ass |
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Posted: 7/30/2021 6:00:58 AM EDT
[#46]
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Posted: 7/30/2021 6:01:15 AM EDT
[#47]
Quote HistoryQuoted: That along with torquing the screws to 25-inch pounds. Knurled tip set screws help as well, most decent gas blocks come with them. |
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Posted: 7/30/2021 6:02:53 AM EDT
[#48]
Lol
To quote an earlier post... Quoted: The biggest heel that I've seen is the operator. They take it apart and put it together wrong, never bother to clean it correctly, or just flat out abuse it. I had an M4A1 come in recently that the guy said would need manual cycling after every shot. I found the unit armorer took off and reinstalled the gas tube upside down. No idea how he manged to do it, and yet he did. Something something danger zone |
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Posted: 7/30/2021 6:21:48 AM EDT
[#49]
Quote HistoryQuoted: Knurled tip set screws help as well, most decent gas blocks come with them. Quote HistoryQuoted: Quoted: That along with torquing the screws to 25-inch pounds. Knurled tip set screws help as well, most decent gas blocks come with them. Yeah buying quality parts is always the first step. Especially don't buy aluminum gas blocks... |
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Posted: 7/30/2021 6:28:29 AM EDT
[#50]
Quote HistoryQuoted: None. It's perfect. |
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