
Wanting to try something new, I decided to try building an AR which would look like a rifle from the Fallout universe. So far I have the lower completed, and am waiting for now before I purchase a complete Mk12 Mod0 upper from PRI. Unfortunately, I couldn't figure out how to install the AR Gold trigger pack I bought for this build, so I'll probably have to take it in to a gunsmith to have it installed for me.
It's neat to see my ideas begin to take form. With luck, I'll have the rifle completed and ready to rock sometime in the near future.
It's neat to see my ideas begin to take form. With luck, I'll have the rifle completed and ready to rock sometime in the near future.
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I'm a Fallout junkie and I have to ask, what made you use the MK12 M0D-0? I mean I bet it cost you a pretty penny but the Service Rifle in Fallout New Vegas was an old school M-16 Black Rifle. With some touch ups like the wooden finish and the plunger on the side of the receiver instead of the T on the top back behind the handle. If you want a weapon that would require some challenge, though I doubt it would ever work unless you know how to gunsmith really, REALLY well and convert it to a .50AE. The Sig Sauer 14mm Handgun from FO1 and FO2. You can see the blasphemous iteration in New Vegas as the 12.7mm Pistol.
Keep on Rocking, I can't wait to see this weapon in its final glory.
For the Republic!
Keep on Rocking, I can't wait to see this weapon in its final glory.
For the Republic!
I get them mixed up sometimes. Can't be right all the time or life would just suck. I typically don't like AR style rifles, or the M-16/M-4/M-416 etc etc. I don't like the fact you have to charge it then plunge it. Unlike an AK where you cock the bastard and its ready to rock 'n' roll.
If I'm wrong in any of this, by all means tell me since youre the one who putting these things together and I'm always happy to learn more since I want to "Try" and train to get a gunsmithing degree/license. After that cock-up of a M27 IAR, I want to try and make a better weapon platform for a Support Weapon for our troops to use.
40-45 rnds isn't really enough to give adequate cover or suppression fire, unless you have two or three, the weapon is pretty much a assault rifle with an over-sized magazine.
If I'm wrong in any of this, by all means tell me since youre the one who putting these things together and I'm always happy to learn more since I want to "Try" and train to get a gunsmithing degree/license. After that cock-up of a M27 IAR, I want to try and make a better weapon platform for a Support Weapon for our troops to use.
40-45 rnds isn't really enough to give adequate cover or suppression fire, unless you have two or three, the weapon is pretty much a assault rifle with an over-sized magazine.
The forward assist (plunger) is sort of an oddball part specific to AR-15 pattern rifles. There are relatively few other rifles that use it. By pressing it, you are seating the round firmly in the chamber and making sure the bolt is all the way forward ("in battery"). Firing with the chamber partially open would certainly cause a case rupture so most firearms have a part called a "disconnector" which does not allow the hammer to drop if the weapon is not fully in battery. This is an important safety feature to protect the user, as well as the weapon from damage.
Here's how this comes into play: the AR-15 pattern rifle is a weapon of relatively tight tolerances and the chamber can be difficult to clean, and it is a direct impingement gas operated system so the chamber fouls relatively quickly, compared to an indirect gas op (piston) system like the AK-47. So, a dirty chamber among other things can cause a round to fail to seat all the way upon feeding, which would mean the weapon would not fire. A quick tap of the forward assist seats the round and allows you to resume firing. Because the charging handle is not reciprocating, ie it does not move with the bolt during firing, tapping on the charging handle would not serve the same purpose. However in an AK, SKS or similar rifle with a charging handle that is fixed to the bolt, you could simply knock the charging handle forward with your palm to accomplish the same purpose of seating the chambered round.
In practice, it is not something often needed. i Very rarely use the forward assist on my Armalite M15. The technique to always tap the forward assist after charging the weapon is something the military teaches so it will become second nature, and it is not a bad thing, it ensures the weapon is ready to fire the first round. It would be pretty awful to kick in a door during an assault and get the jump on your enemy only to realize your gun won't fire. So pressing the assist after a mag change is highly recommended during a combat situation, however mechanically speaking it is not necessary unless the round fails to seat from the forward motion of the bolt alone. While cleaning and lubing the gun usually solves the problem, I have also seen large capacity aftermarket magazines with high spring pressures cause enough drag to not allow the round to seat fully.
There are also historical and political reasons for the inclusion of the forward assist that I won't get into. However it is ultimately an optional part. Some AR-derived rifles do not use it.
TL;DR sorry, but i hope this clears things up a bit. I am by no means a professional gunsmith, I just buy a lot of guns and take them apart to figure out how they work, and then i try to improve them. It falls under general mechanical and metalworking knowledge, much like fixing an engine.
Here's how this comes into play: the AR-15 pattern rifle is a weapon of relatively tight tolerances and the chamber can be difficult to clean, and it is a direct impingement gas operated system so the chamber fouls relatively quickly, compared to an indirect gas op (piston) system like the AK-47. So, a dirty chamber among other things can cause a round to fail to seat all the way upon feeding, which would mean the weapon would not fire. A quick tap of the forward assist seats the round and allows you to resume firing. Because the charging handle is not reciprocating, ie it does not move with the bolt during firing, tapping on the charging handle would not serve the same purpose. However in an AK, SKS or similar rifle with a charging handle that is fixed to the bolt, you could simply knock the charging handle forward with your palm to accomplish the same purpose of seating the chambered round.
In practice, it is not something often needed. i Very rarely use the forward assist on my Armalite M15. The technique to always tap the forward assist after charging the weapon is something the military teaches so it will become second nature, and it is not a bad thing, it ensures the weapon is ready to fire the first round. It would be pretty awful to kick in a door during an assault and get the jump on your enemy only to realize your gun won't fire. So pressing the assist after a mag change is highly recommended during a combat situation, however mechanically speaking it is not necessary unless the round fails to seat from the forward motion of the bolt alone. While cleaning and lubing the gun usually solves the problem, I have also seen large capacity aftermarket magazines with high spring pressures cause enough drag to not allow the round to seat fully.
There are also historical and political reasons for the inclusion of the forward assist that I won't get into. However it is ultimately an optional part. Some AR-derived rifles do not use it.
TL;DR sorry, but i hope this clears things up a bit. I am by no means a professional gunsmith, I just buy a lot of guns and take them apart to figure out how they work, and then i try to improve them. It falls under general mechanical and metalworking knowledge, much like fixing an engine.
Well, that was enlightening. I didn't really know thats what a Forward Assist actually was meant for. Its pretty much a counter measure for a jam. I had to take apart an AR to get a better understanding. But at the same time, like you said, it sounds unnecessary. Keep on Rocking and thanks for the info \m/
I've got some studying since I didn't know this.
I've got some studying since I didn't know this.
Talking about the charging handle? My biggest reason for wanting to do an SPR build is because I love the Military MK12 and have wanted to make one of my own for sometime now. besides that, it will give the rifle a more futuristic look like still having the old rustic look which is characteristic of the Fallout universe.
You mean you want it to look "Worn" or time tested? Well, that would depend on the materials. If it was plastic it would be easy to do, but since its a real weapon I haven't a clue as to how you'd get a rustic look from it other than leaving outside for a month. The body of it, not the mechanism. To be fair, you can make any weapon look like it came straight out of Fallout by doing what you just said. The idea is Post Apocalyptic. Worn, battered, sometimes jerry rigged for repairs etc. though I'm beating a dead horse since you know all this lol a bit redundant. Anyways, i think there was some confusion now that I think about it. you typed "Marksman Rifle" when I think you meant "Marksman Carbine". when it had "Rifle" I thought you meant "Service Rifle" which is an M-16 variant.
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