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Posted: 4/7/2014 3:21:59 PM EDT
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I really like the look of a Noveske KX3 inside the Seekins BAR 9" rail but there are quite a few other linear comps out there that pretty much do the same thing as the KX3 and are not as long or big. I'm not a fan of the Levang due to no wrench flats but the KIES Blast Master and the HERA ARMS look promising. Another one is this KAW Valley comp.
They all seem to function the same. Is it now just a matter of looks? |
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What do they do? The Levang doesn't reduce recoil. See http://www.multigunmedia.com/ar15-comps-pt-2.pdf
Compensators Tested: Street Price Recoil Reduction Arredondo 120 RR=60% Nordic Corvette 47 RR= 55% Nordic Tactical 35 RR=50% McArthur PGRS-1 175 RR=65% Carlson Flash 55 RR=20% Levang Linear 32 RR=0% SJC Lund 90 RR=75% TTi Eliminator 90 RR=75% DPMS Miculek 35 RR=65% JP Cooley 94 RR=62% Dreadnaught F2 85 RR=57% Triangle Rolling Thunder 82 RR=57% PWS DNTC 65 RR= 50% Middlebrooks Jet 85 RR=65% |
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Here is another one from Black River Tactical. I have the 7.62on my .308 Gunsite and it works fine.
Black River Covert Comp |
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I'm specifically looking for a linear comp that forces the gases and blast forward for a 7.5" build.
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What do they do? The Levang doesn't reduce recoil. See http://www.multigunmedia.com/ar15-comps-pt-2.pdf Compensators Tested: Street Price Recoil Reduction Arredondo 120 RR=60% Nordic Corvette 47 RR= 55% Nordic Tactical 35 RR=50% McArthur PGRS-1 175 RR=65% Carlson Flash 55 RR=20% Levang Linear 32 RR=0% SJC Lund 90 RR=75% TTi Eliminator 90 RR=75% DPMS Miculek 35 RR=65% JP Cooley 94 RR=62% Dreadnaught F2 85 RR=57% Triangle Rolling Thunder 82 RR=57% PWS DNTC 65 RR= 50% Middlebrooks Jet 85 RR=65% |
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I almost forgot about that one as well, looks pretty good.
http://www.blackrivertactical.com/concrete5/covert-comp/ Quoted:
Here is another one from Black River Tactical. I have the 7.62on my .308 Gunsite and it works fine. http://www.blackrivertactical.com/concrete5/covert-comp/ |
| Should be in stock any day now unless I missed it already... KX5 ... which is the smaller version of the Kx3. |
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What do they do? The Levang doesn't reduce recoil. See http://www.multigunmedia.com/ar15-comps-pt-2.pdf They send the blast away from you - no more affect on recoil than a normal crowned bbl. I just got one of these: http://www.kakindustry.com/kak-industry-flash-can My muzzle threads are canted, so I was afraid of bullet strikes on the Levang. |
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This is probably heresy, and maybe a byproduct of shooting bullpups for many years, but I didn't find the blast of a 7.5" Adams Arms piston upper to be particularly bothersome. Nor did I find the Noveske KX3 Flaming Pig to make a significant difference in that blast (vs the stock A2). So my advice would be to try before you buy - neither my buddy nor I found the KX3 to make a noticeable difference in this setup and we did back-to-back A2 vs KX3 tests. This was at an indoor 25yd range with the wall on shooter's right even - so you'd think it one of the most troublesome environments for such a gun.
YMMV and all that. Richard P.S. If I wouldn't take a bath on it, I'd sell my KX3 with 10 rds through it but I'll hold onto it for a possible future build or trade or something. |
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been looking for a list like this. It seems the kak is super popular, no doubt due to the price, and similarity in appearance to kx3, any one have experience with the others? Specifically wondering about the KIES and Kaw valley, levang as those all seem to be available in the same <$50 price range
thanks in advane |
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The KAK linear comp is a good deal but it's cheaper due to it be make out of aluminum and not steel. I remember seeing a KAK steel linear comp posted here before but it appears they no longer make them. They were only $45 and almost a direct copy of the KX3.
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been looking for a list like this. It seems the kak is super popular, no doubt due to the price, and similarity in appearance to kx3, any one have experience with the others? Specifically wondering about the KIES and Kaw valley, levang as those all seem to be available in the same <$50 price range thanks in advane |
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The KAK is not like the KX3 or the Levang. The KAK is just a cone and provides no back pressure in an attempt to extend the pressure curve acting on the bolt. The rest of the linear compensators including the Levang add a little back pressure.
The only linear compensator like the KAK is the original Colt 608 cone comp. Nothing wrong with the KAK, though, it's just the others will aide in the function of a short dwell time (they're more forgiving across different loads). The whole idea behind the linear comp is to bring down the perceived pressure/concussion to A1/A2 levels. The military did it with the original Colt Commando moderator just to bring it down to A1 levels so they weren't completely destroying ears with the first rounds fired. The Russians did it with the the Krinkov compensator. |
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This one from Primary Weapon Systems is cool.
PWS Internal pic of PWS CQB http://www.springgunsandammo.com/index.php/blog/entry/pws-cqb-compensator-5-56mm |
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Yeah, that's pretty nice. Has some flash hider capability. Back to the Levang, it's cheap and works well. Easy to install with an adjustable pin wrench. http://www.harborfreight.com/adjustable-pin-wrench-36554.html |
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http://www.amazon.com/gp/product/B00C7C9AOQ/ref=oh_details_o00_s00_i00?ie=UTF8&psc=1
Thoughts? For use on a .300BLK 8.1" pistol |
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http://www.amazon.com/gp/product/B00C7C9AOQ/ref=oh_details_o00_s00_i00?ie=UTF8&psc=1 Thoughts? For use on a .300BLK 8.1" pistol Works, but very very heavy. Like, wow heavy. Don't believe the 8.8oz number. I'll weigh mine tonight. |
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The pin wrench looks handy.
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Yeah, that's pretty nice. Has some flash hider capability. Back to the Levang, it's cheap and works well. Easy to install with an adjustable pin wrench. http://www.harborfreight.com/adjustable-pin-wrench-36554.html Quoted:
Yeah, that's pretty nice. Has some flash hider capability. Back to the Levang, it's cheap and works well. Easy to install with an adjustable pin wrench. http://www.harborfreight.com/adjustable-pin-wrench-36554.html |
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The more I research these I'm really leaning towards the KIES for it's size/weight, usefulness and cost. Yep, nicer looking and easier to install Levang. To be honest, I'm really jazzed about the Noveske KX5. I think they cost too much for what you get, but they do work a bit better, but not $100 better. The KX3 has always been a bit heavy for my liking. Hopefully, I'll be able to feel the weight difference with the KX5 once it's out. |
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From what I've read/researched thus far owners of the KX3 do not like the weight of it.
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Yep, nicer looking and easier to install Levang. To be honest, I'm really jazzed about the Noveske KX5. I think they cost too much for what you get, but they do work a bit better, but not $100 better. The KX3 has always been a bit heavy for my liking. Hopefully, I'll be able to feel the weight difference with the KX5 once it's out. Quoted:
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The more I research these I'm really leaning towards the KIES for it's size/weight, usefulness and cost. Yep, nicer looking and easier to install Levang. To be honest, I'm really jazzed about the Noveske KX5. I think they cost too much for what you get, but they do work a bit better, but not $100 better. The KX3 has always been a bit heavy for my liking. Hopefully, I'll be able to feel the weight difference with the KX5 once it's out. |
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Quoted: That Kaw Valley comp looks really nice, Hmmm, decisions, decisions.  Quoted: That Kaw Valley comp looks really nice, Hmmm, decisions, decisions. Quoted: The KX5 is out, but I'm going with Kaw Valley... |
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I really like the look of a Noveske KX3 inside the Seekins BAR 9" rail but .... and the HERA ARMS look promising. Anybody know about the Hera? I am looking into building a similar pistol. |
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Anybody know about the Hera? I am looking into building a similar pistol. Quoted:
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I really like the look of a Noveske KX3 inside the Seekins BAR 9" rail but .... and the HERA ARMS look promising. Anybody know about the Hera? I am looking into building a similar pistol. I have the Hera linear comp. It's a nice piece. fit and finish are top notch and the little chambers on the end help add some back pressure. It is heavy but most of the chunky linear comps tend to be. I have it on my 7.5" pistol build. with that and the o-ring on the extractor and a h3 buffer it runs 100% |
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Thanks for your input, it is a nice looking piece.
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I have the Hera linear comp. It's a nice piece. fit and finish are top notch and the little chambers on the end help add some back pressure. It is heavy but most of the chunky linear comps tend to be. I have it on my 7.5" pistol build. with that and the o-ring on the extractor and a h3 buffer it runs 100% Quoted:
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I really like the look of a Noveske KX3 inside the Seekins BAR 9" rail but .... and the HERA ARMS look promising. Anybody know about the Hera? I am looking into building a similar pistol. I have the Hera linear comp. It's a nice piece. fit and finish are top notch and the little chambers on the end help add some back pressure. It is heavy but most of the chunky linear comps tend to be. I have it on my 7.5" pistol build. with that and the o-ring on the extractor and a h3 buffer it runs 100% |
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The Leaving comp with a 7.5" barrel with not get past the end of a 9" rail. You will need something a little longer.
7.5 barrel - .625 threads + 2.125 comp = 9" even I have found not all hand rail are exactly nine inches, some are a bit more, plus you probably don't want a flush face. Comps that are long enough are, KX5, Hera slim, ??? |
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Thank you Sir for this compilation, as I'm in the market for one, leaning towards the KIES |
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Thank you Sir for this compilation, as I'm in the market for one, leaning towards the KIES Quoted:
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Linear comps Levang S&J Hardware KIES Blast Master HERA Arms BlackRiverTactical Kaw Valley Noveske KX3 Noveske KX5 KAK Industries Troy Claymore PWS Thank you Sir for this compilation, as I'm in the market for one, leaning towards the KIES You guys have given me some food for thought. I think I will work on some for my AR pistols. Here are some previous projects: 
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It appears the KIES comp is only available through JoeBob's and they are out of stock. I did a search but came up with nothing. The KIES website doesn't allow you to buy through them either.
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Thank you Sir for this compilation, as I'm in the market for one, leaning towards the KIES Quoted:
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Linear comps Levang S&J Hardware KIES Blast Master HERA Arms BlackRiverTactical Kaw Valley Noveske KX3 Noveske KX5 KAK Industries Troy Claymore PWS Thank you Sir for this compilation, as I'm in the market for one, leaning towards the KIES |
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I know some people really like the way these things look, but practically speaking most people would be better served with a 3" longer barrel. I'd have to agree with this. I tried the 10.5" with another A1X I got specifically to try on it..figuring maybe the slight added length would help with flash. It was fine during the day. But in complete darkness, there was still a rather large-ish grapefruit sized fireball. Oh well. I figure the KAK flash can would work for that duty. Its very light(3>oz), relatively compact, does a surprisingly good job regarding flash protection at night. But in the meantime, I still retain the option of being able to run it as short as possible. ie. just using an A1/A2 or equal. Like in a vehicle, indoors, etc. At least thats how I rationalized it. 
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