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Posted: 2/10/2016 11:31:18 PM EDT
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Hello everyone. First time builder here and relatively new to the forums (actively). I'm looking to build a relatively lightweight and decently accurate AR around the $2000 mark. I've made a parts list based off my research but would like some feedback on it. Thanks.
Parts list: Upper: BCM Handguard: BCM KMR 10 or 13 (haven't decided - what do y'all think?) Charging Handle: Rainier Arms Raptor BCG: SRC NP3 PLUS Balanced Bolt Carrier Group (Have the issues with the reliabolt lugs breaking off been corrected? Bad batch or what? Also looking at the DLC BCG by Prime Weaponry) Gas Block: BCM .625" Gas Tube: BCM Midlength Barrel: BCM ELW Fluted 14.5" (I've heard these are very nice for a chrome barrel but if anyone has any suggestions I'm all ears.) Muzzle: Need help with this one. I want minimal recoil/muzzle climb but I don't want it to be too loud or have an insane amount of flash. I've heard Battlecomp, Brakeout 51T, xcomp556, etc. but don't know. I have seen the great writeups by Jeremy on The Truth About Guns but it still seemed inconclusive when looking at multiple variables. I also need it to be long enough to bring my barrel to 16". (Screw the NFA) Lower: 80% Forged 7075 (anyone have a favorite in this regard?) Trigger: Geissele Hi-Speed National Match Trigger Pistol Grip: Magpul MOE Trigger Guard: Magpul Enhanced Bolt Catch: Magpul BAD Lever Magazine Catch: Odinworks XMR 2 Buffer assembly: H2 and CS spring. (Good or no for barrel setup? I've heard both...) Stock: MFT Battlelink Any suggestions or feedback is greatly appreciated. Thanks! 
~John |
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I would go with either
1. Faxon Gunner or Pencil 2. Voodoo Ultra Lite Evo or Ultra Lite Evo C.O.R. 3. Daniel Defense LW 1 & 2 are QPQ Melonited and 3 is chrome lined. 1 is the lightest if you get the Pencil and 2 Ultra Lote Evo C.O.R. comes in a close second. These are probably the lightest barrels you will find from very reputable companies who make quality products. In the lightweight department, they beat BCM among a plethora of other companies. I've never owned a BCM barrel so I can't comment on that. |
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I heard the KMR rails have a tendency to bend, but I do not know if that is true.worth looking into it though.
Excellent choice on the Geisselle trigger. I used s Spikes Tactical T2 buffer in a couple builds and love it! It's Tungsten filled and very quiet. Enjoy the build! |
This is an easy one. Buy the upper complete from BCM. 14.5" ELW barrel with the KMR. I've had both KMR lengths and prefer the 10" for some reason. BCM will also pin a muzzle device, sounds like even an extended A2 would fit your needs though you lose some cool guy points. Complete with BCG and CH you will get top-quality parts at a very reasonable all-in price.
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Quoted:
-snip- Quoted:
-snip- Thanks for the input! I've read BCM ELW's are superior to DD especially when fluted. Those Faxxons do look nice and I hadn't known about QPQ melonite until I just googled it - thank you. I would go for the gunner as it is the same weight as the BCM but it isn't fluted...how much will this affect cooling? I don't want to cook my hand with one or two mag dumps. Keep in mind I'm not interested in going as light as possible as I'd like a reasonable balance between weight and cooling. Another concern is how the 1:8 twist will work with heavier 5.56 ammo. I've read that 1:7 works best with 62 grain and up (I'll be using 5.56 55 and 62 gr) *****I saw Ballistic Advantage barrels were mentioned positively here. Looking at the Harrison middy lo pro. Thoughts? QPQ and a 1:7 twist. Quoted:
-snip- I've heard that as well however upon further research I discovered the guys who were bending or breaking them were abusing their AR's. I honestly don't think it's an issue but may go for an alpha version simply for the price. As for buffers, I thought the powder ones - specifically the T2 - cause bolt bounce? I do like quiet though... Quoted:-snip- Oh common what's the fun in that?  aside from an extremely limited selection of muzzle devices and the fact I'm now looking at other barrels and its out of stock it's not too bad. :P An extended A2 isn't much of a break either...
Wrench, I'm kind of doing it backwards. If I screw up the lower I'll just buy one. I have the tools for it so why not give it a shot. |
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Quoted:
I heard the KMR rails have a tendency to bend, but I do not know if that is true.worth looking into it though. Excellent choice on the Geisselle trigger. I used s Spikes Tactical T2 buffer in a couple builds and love it! It's Tungsten filled and very quiet. Enjoy the build! One of the guys who bent it said he was doing sandbag drills where he put all his weight on the rail. He also said he is very big and that the rail was a quality product. He was not denouncing it at all. |
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Quoted:
Thanks for the input! I've read BCM ELW's are superior to DD especially when fluted. Those Faxxons do look nice and I hadn't known about QPQ melonite until I just googled it - thank you. I would go for the gunner as it is the same weight as the BCM but it isn't fluted...how much will this affect cooling? I don't want to cook my hand with one or two mag dumps. Keep in mind I'm not interested in going as light as possible as I'd like a reasonable balance between weight and cooling. Another concern is how the 1:8 twist will work with heavier 5.56 ammo. I've read that 1:7 works best with 62 grain and up (I'll be using 5.56 55 and 62 gr) *****I saw Ballistic Advantage barrels were mentioned positively here. Looking at the Harrison middy lo pro. Thoughts? QPQ and a 1:7 twist. I've heard that as well however upon further research I discovered the guys who were bending or breaking them were abusing their AR's. I honestly don't think it's an issue but may go for an alpha version simply for the price. As for buffers, I thought the powder ones - specifically the T2 - cause bolt bounce? I do like quiet though... Oh common what's the fun in that? aside from an extremely limited selection of muzzle devices and the fact I'm now looking at other barrels and its out of stock it's not too bad. :P An extended A2 isn't much of a break either...
Wrench, I'm kind of doing it backwards. If I screw up the lower I'll just buy one. I have the tools for it so why not give it a shot. Quoted:
Quoted:
-snip- Thanks for the input! I've read BCM ELW's are superior to DD especially when fluted. Those Faxxons do look nice and I hadn't known about QPQ melonite until I just googled it - thank you. I would go for the gunner as it is the same weight as the BCM but it isn't fluted...how much will this affect cooling? I don't want to cook my hand with one or two mag dumps. Keep in mind I'm not interested in going as light as possible as I'd like a reasonable balance between weight and cooling. Another concern is how the 1:8 twist will work with heavier 5.56 ammo. I've read that 1:7 works best with 62 grain and up (I'll be using 5.56 55 and 62 gr) *****I saw Ballistic Advantage barrels were mentioned positively here. Looking at the Harrison middy lo pro. Thoughts? QPQ and a 1:7 twist. Quoted:
-snip- I've heard that as well however upon further research I discovered the guys who were bending or breaking them were abusing their AR's. I honestly don't think it's an issue but may go for an alpha version simply for the price. As for buffers, I thought the powder ones - specifically the T2 - cause bolt bounce? I do like quiet though... Quoted:-snip- Oh common what's the fun in that? aside from an extremely limited selection of muzzle devices and the fact I'm now looking at other barrels and its out of stock it's not too bad. :P An extended A2 isn't much of a break either...
Wrench, I'm kind of doing it backwards. If I screw up the lower I'll just buy one. I have the tools for it so why not give it a shot. 1:8 will handle all the 556/223 you put it in. If you did 1:9 I'd be worried. As for the gunner, it's government profile up until the gas block and then gets light after that. So in reality it's better than any pencil or fluted you'll find because the majority of the heat is from the chamber to the gas block. |
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Fair enough. Upon further research it seems a 1:8 twist is just fine for what I'm putting through it. That said, I'm really curious about the Ballistic Armament. They have an interesting sales pitch but given the limited amount of information out there on them I'm not sure I buy it. Anyone have some experience with them? Maybe I'll make a thread in the barrel section...
Also still need to pick a muzzle device. |
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Quoted:
Fair enough. Upon further research it seems a 1:8 twist is just fine for what I'm putting through it. That said, I'm really curious about the Ballistic Armament. They have an interesting sales pitch but given the limited amount of information out there on them I'm not sure I buy it. Anyone have some experience with them? Maybe I'll make a thread in the barrel section... Also still need to pick a muzzle device. What kind of muzzle device? Do you want something with less felt recoil, less muzzle rise, or less flash, a hybrid? Flash supressors are meant to mitigate flash in low light so the shooter isn't blinded. |
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Quoted:
What kind of muzzle device? Do you want something with less felt recoil, less muzzle rise, or less flash, a hybrid? Flash supressors are meant to mitigate flash in low light so the shooter isn't blinded. Quoted:
Quoted:
Fair enough. Upon further research it seems a 1:8 twist is just fine for what I'm putting through it. That said, I'm really curious about the Ballistic Armament. They have an interesting sales pitch but given the limited amount of information out there on them I'm not sure I buy it. Anyone have some experience with them? Maybe I'll make a thread in the barrel section... Also still need to pick a muzzle device. What kind of muzzle device? Do you want something with less felt recoil, less muzzle rise, or less flash, a hybrid? Flash supressors are meant to mitigate flash in low light so the shooter isn't blinded. I'm well aware of the function of various devices, haha. As I said in the OP, I'm looking for something to mitigate recoil and muzzle climb yet not be too loud or produce too much flash. Yes, I know I can't have everything but I've heard good things about quite a few brakes/comps/hybrids but am having trouble narrowing it down. |
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Quoted:
I'm well aware of the function of various devices, haha. As I said in the OP, I'm looking for something to mitigate recoil and muzzle climb yet not be too loud or produce too much flash. Yes, I know I can't have everything but I've heard good things about quite a few brakes/comps/hybrids but am having trouble narrowing it down. Quoted:
Quoted:
Quoted:
Fair enough. Upon further research it seems a 1:8 twist is just fine for what I'm putting through it. That said, I'm really curious about the Ballistic Armament. They have an interesting sales pitch but given the limited amount of information out there on them I'm not sure I buy it. Anyone have some experience with them? Maybe I'll make a thread in the barrel section... Also still need to pick a muzzle device. What kind of muzzle device? Do you want something with less felt recoil, less muzzle rise, or less flash, a hybrid? Flash supressors are meant to mitigate flash in low light so the shooter isn't blinded. I'm well aware of the function of various devices, haha. As I said in the OP, I'm looking for something to mitigate recoil and muzzle climb yet not be too loud or produce too much flash. Yes, I know I can't have everything but I've heard good things about quite a few brakes/comps/hybrids but am having trouble narrowing it down. So a hybrid? I recommend: 1. VG6 Epsilon 556 Titanium 2. 2A T3 Titanium 3. PWS FSC556 or Rainier Arms XTC 2.0 There are a bunch of videos online of these. |
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