Toxn Posted February 21, 2015 Report Share Posted February 21, 2015 "I think radios should have those rails so you an fit on do-dads like bayonets, maybe call it the tactical radio" - Heckler & Koch Comes with black anodised aluninum 'kiltek' coating, for when you need to tier I operate at maximum efficiency. Quote Link to comment Share on other sites More sharing options...
xthetenth Posted February 21, 2015 Report Share Posted February 21, 2015 "I think radios should have those rails so you an fit on do-dads like bayonets, maybe call it the tactical radio" - Heckler & Koch Germans are a very literal people, and they got a bit confused when they heard somebody calling the radio their most effective weapon because of the indirect fire fragmentation capability. Jeeps_Guns_Tanks and That_Baka 2 Quote Link to comment Share on other sites More sharing options...
Toxn Posted February 21, 2015 Report Share Posted February 21, 2015 Claymore attached to the front rail will solve that problem, son. That_Baka 1 Quote Link to comment Share on other sites More sharing options...
LoooSeR Posted February 23, 2015 Report Share Posted February 23, 2015 Yakutia SOBR unit in Northen Caucasus and SR-3M "Vikhr" 9x39 mm automatic carabine. Hardingush and GM-94. Chechen Spetsnaz team "Terek" prepare to competitions in Jordan. http://youtu.be/O6GQzSKn0Sk "Terek" in Jordan. http://youtu.be/NA0CIKtZM7Y St.Petersburg FSB team "Grad". Those guys 2 years ago arrested one Islamists not far from my home. http://imgur.com/a/hji6q#2eeyE1u From 1:36 you can see some interesting things. That training with "live obstructions" reminds Alpha training, which Larry filmed. Khand-e, Collimatrix and That_Baka 3 Quote Link to comment Share on other sites More sharing options...
Donward Posted February 23, 2015 Report Share Posted February 23, 2015 This guy is wrang. http://www.thefirearmblog.com/blog/2015/02/23/are-iron-sights-dead/ Sturgeon 1 Quote Link to comment Share on other sites More sharing options...
Sturgeon Posted February 23, 2015 Report Share Posted February 23, 2015 Few noticed that I never actually threw my weight either way; I was just reposting WeaponsMan's article. Quote Link to comment Share on other sites More sharing options...
LoooSeR Posted February 24, 2015 Report Share Posted February 24, 2015 Some others pictures of our SF. SR-2M "Veresk". This is Alpha team member. You can guess what is this: Quote Link to comment Share on other sites More sharing options...
LoooSeR Posted February 24, 2015 Report Share Posted February 24, 2015 Rebel with his new, hand made bullpup. Quote Link to comment Share on other sites More sharing options...
Donward Posted February 24, 2015 Report Share Posted February 24, 2015 I see your rebel is affecting the Lord Varys in a Skullcap look. Quote Link to comment Share on other sites More sharing options...
Sturgeon Posted February 24, 2015 Report Share Posted February 24, 2015 Gotta love dat Russian baby puke camo. Quote Link to comment Share on other sites More sharing options...
Ulric Posted February 24, 2015 Report Share Posted February 24, 2015 So, a bit of a technical question because I am too lazy to do the maths involved (and also, the maths are a bitch, depending on how deep you want to dig into it): Is there an acceptable or optimal ratio between gas port diameter and piston face area, or is gas port diameter the only thing we really care about (obviously in relation to its distance from the chamber). Basically, I am trying to understand the finer points of gas flowing through a constriction and back into a larger volume of space in the context of gas operated rifles. Quote Link to comment Share on other sites More sharing options...
LostCosmonaut Posted February 24, 2015 Report Share Posted February 24, 2015 That_Baka and Khand-e 2 Quote Link to comment Share on other sites More sharing options...
Sturgeon Posted February 24, 2015 Report Share Posted February 24, 2015 I don't know if there's a hard and fast relationship to ensure good functioning, but there definitely is a relationship between gas port diameter and piston diameter. Wider piston face means more area for the gas pressure to act on the bolt carrier, and wider gas port means more gas allowed into the gas block, so widen either and you increase the amount of force acting on the bolt carrier. Quote Link to comment Share on other sites More sharing options...
Ulric Posted February 24, 2015 Report Share Posted February 24, 2015 Im just trying to figure out what the pressure in the gas cylinder would be for given port size and pressure at the port. Am I making it more complicated than it is, or is it a rather complex calculation? Quote Link to comment Share on other sites More sharing options...
Sturgeon Posted February 25, 2015 Report Share Posted February 25, 2015 More complex. It depends on the shape, as well as diameter, of the gas port, as well as the characteristics of the propellant. It's a fluid dynamics problem, basically. Quote Link to comment Share on other sites More sharing options...
Ulric Posted February 25, 2015 Report Share Posted February 25, 2015 That is what I was worried about. I guess I really should go for that BSME after all. Or the other option is to get quite a bit of rather expensive testing gear and gather a bunch of data on this. Either way this is not going to be cheap. Quote Link to comment Share on other sites More sharing options...
LoooSeR Posted February 26, 2015 Report Share Posted February 26, 2015 MUH ORSIS lol. Yugoslavia: M-53 MG? Quote Link to comment Share on other sites More sharing options...
Ulric Posted February 27, 2015 Report Share Posted February 27, 2015 M53, and yes, it would appear to be so. I don't know if there are any visible external differences between the MG 42 and the M53, but I do know that the M53 has a reduced ROF. It's just a shame that the M4 isn't the Yugo D-25T refit. Quote Link to comment Share on other sites More sharing options...
LoooSeR Posted February 27, 2015 Report Share Posted February 27, 2015 Alpha team... death to Vatniks. Quote Link to comment Share on other sites More sharing options...
Khand-e Posted February 27, 2015 Author Report Share Posted February 27, 2015 So, Popenker did an article on shooting knives, I actually did email him asking if he'd consider doing one, though, considering he doesn't know who I am I'm not sure how much, if any influence that actually had on him deciding to do so. QSB-91 pistol knife! http://www.world.guns.ru/handguns/hg/ch/qsb-91-e.html Quote Link to comment Share on other sites More sharing options...
Belesarius Posted March 1, 2015 Report Share Posted March 1, 2015 http://www.thefirearmblog.com/blog/2015/03/01/frontline-vietnam-the-m16a1-5-56mm-rifle/ LOL. You are such a trolltastic asshole, and I love you for it. The tags for that article are a thing of subtle beauty rarely seen on teh interwebs. Quote Link to comment Share on other sites More sharing options...
Donward Posted March 1, 2015 Report Share Posted March 1, 2015 Well that comment section should become another shit storm by tomorrow. Quote Link to comment Share on other sites More sharing options...
LoooSeR Posted March 1, 2015 Report Share Posted March 1, 2015 Ukraine, live those old veterans alone... Quote Link to comment Share on other sites More sharing options...
Collimatrix Posted March 1, 2015 Report Share Posted March 1, 2015 What is that device on the rifle's muzzle in the last picture? A blank firing adapter? Quote Link to comment Share on other sites More sharing options...
LoooSeR Posted March 1, 2015 Report Share Posted March 1, 2015 What is that device on the rifle's muzzle in the last picture? A blank firing adapter? Muzzle device to eliminate sideway-moving gases to make life more comfortable for your comrades. God... Quote Link to comment Share on other sites More sharing options...
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