MickB Posted September 24, 2014 Share Posted September 24, 2014 The SLR clamp on will fit the AP custom tube.... Mick Any of these fit under an AP Customs carbon fiber tube? Link to comment Share on other sites More sharing options...
Iowashooter Posted September 24, 2014 Share Posted September 24, 2014 My seekins fits under my lancer systems octagon carbon fiber tube. Link to comment Share on other sites More sharing options...
v1911 Posted September 24, 2014 Share Posted September 24, 2014 (edited) Any of these fit under an AP Customs carbon fiber tube? Yup. I have an SLR series 7 clamp under my AP. Word of caution, get an extended Allen. I have a 15" handguard over a 16" barrel. My 6" Allen can BARELY reach far enough to make adjustments. Edited September 24, 2014 by v1911 Link to comment Share on other sites More sharing options...
Therealkoop Posted September 24, 2014 Share Posted September 24, 2014 Any of these fit under an AP Customs carbon fiber tube? The SLR sentry 7 has tons of room. the SLR DA (Old stuff) just barely fits, same with the syrac. Real close at the top, like 20 thouandths Link to comment Share on other sites More sharing options...
mpom Posted September 24, 2014 Share Posted September 24, 2014 SLR sentry 7 for me. Yeah, helps to have a longer than stock Allen wrench, available from SLR or Amazon for a little less. Link to comment Share on other sites More sharing options...
Jakobi Posted September 24, 2014 Share Posted September 24, 2014 I have an 18" barrel with the Noveske 16.7" handguard and a mid length gas system. I built a hex driver using a long shank screw driver and a hex key from sets I bought at Harbor Freight. Wound up being cheaper than anything I could buy on Amazon or from SLR and I got a few extra tools for other stuff out of the deal. Link to comment Share on other sites More sharing options...
dogtired Posted September 25, 2014 Share Posted September 25, 2014 You said competitors so I am not sure I am qualified to answer but I have this one... http://parallaxtactical.com/products/pxt-super-light-low-profile-front-adjust-gas-block-750 Link to comment Share on other sites More sharing options...
NearlyMissed Posted September 26, 2014 Share Posted September 26, 2014 Tag Link to comment Share on other sites More sharing options...
Nebwake Posted September 26, 2014 Share Posted September 26, 2014 my JP fits under my APC carbon tube just fine. I can adjust it also since the APC has pretty good sized holes in it. Link to comment Share on other sites More sharing options...
ToddKS Posted September 26, 2014 Share Posted September 26, 2014 I am using a PRI under a Troy Alpha rail. Link to comment Share on other sites More sharing options...
TonytheTiger Posted September 26, 2014 Share Posted September 26, 2014 The parallax tactical unit looks like a good buy if it works well. Ever had any adjustment settings work loose on it since it doesn't have a locking set screw? Link to comment Share on other sites More sharing options...
Pat Miles Posted September 26, 2014 Share Posted September 26, 2014 After conversing with another forum member (thanks Dan!) I'm going to try making my gas key into an adjustable one. Always trying something. Link to comment Share on other sites More sharing options...
GreenDragon64 Posted September 28, 2014 Author Share Posted September 28, 2014 I really do appreciate all of the input from you great individuals, even the non-competitor ;-) I shot some mild loads the other day and they were ejecting as close to 12 o'clock as possible. Standard carbine buffer, full auto bcg, rifle length gas on an 18" barrel. It'll be nice for the recoil reduction and being able to find all of my brass in one pile. Link to comment Share on other sites More sharing options...
dogtired Posted September 28, 2014 Share Posted September 28, 2014 The parallax tactical unit looks like a good buy if it works well. Ever had any adjustment settings work loose on it since it doesn't have a locking set screw? Not yet, they supply a nice long allen wrench to adjust it which is handy because I have the 15 handguard, rifle gas. I have only had to turn it a half turn from bottom for reliable function, brass piles 8' right, at 4 o'clock. (ignore the steel case). Link to comment Share on other sites More sharing options...
GreenDragon64 Posted September 29, 2014 Author Share Posted September 29, 2014 That looks like a buddy's brass pile, he'll have the whole mag's spent casings all in about a foot diameter at 5:30 around 7 feet back. Link to comment Share on other sites More sharing options...
GreenDragon64 Posted October 22, 2014 Author Share Posted October 22, 2014 I ended up ordering a Seekins for it. Link to comment Share on other sites More sharing options...
striped1 Posted October 22, 2014 Share Posted October 22, 2014 Here is the Colt adjustable hot from Brownells http://www.brownells.com/rifle-parts/gas-system-parts/gas-blocks/ar15-m16-adjustable-gas-block-prod71253.aspx?avs%7CMake_3=AR-15/M4&aid=27795&source=ir&cm_mmc=affiliate-_-Itwine-_-IR-_-59979 Link to comment Share on other sites More sharing options...
GreenDragon64 Posted October 22, 2014 Author Share Posted October 22, 2014 That's a pretty slick looking gas block. I didn't want to spend that extra $100 on the Colt, but if I ever get rolling in the dough I'd like to drop $100+ on comps and adj gas blocks and big money on optics. Link to comment Share on other sites More sharing options...
Dustbuster1 Posted October 26, 2014 Share Posted October 26, 2014 BTE makes awesome adj gas blocks under 65 bucks, they work great. Easy to tune. Link to comment Share on other sites More sharing options...
KY1911 Posted October 27, 2014 Share Posted October 27, 2014 Just built a new 3Gun upper and took it out yesterday. It is a 16" mid-length Nordic barrel with a standard non-adjustable YHM low profile gas block; Voodoo Innovations lower mass BCG and standard carbine buffer/spring; AP Customs carbon fiber hand guard; and Seekins ATC brake. Great accuracy (.60" group at 100) and it ran 100%, but failed to lock back on an empty mag most of the time (shot most with only one round in various mags to test function); and it ejected all cases forward of the firing line at 1 o'clock. Recoil seemed to be a bit more than I was expecting with the mid-length, low mass carrier and muzzle brake. Sounds like its over-gassed, right? Adjustable gas block needed? Thanks for any feedback. Link to comment Share on other sites More sharing options...
v1911 Posted October 27, 2014 Share Posted October 27, 2014 You didn't mention what stock you're running, but it sounds like a lightweight build. The weight of your overall build will also contribute your recoil preception. Without an adjustable GB, you're not getting as much benefit from your low mass BCG. Sounds like you may also need to play with buffer weight to achieve proper cycling. Link to comment Share on other sites More sharing options...
Dustbuster1 Posted October 27, 2014 Share Posted October 27, 2014 (edited) Just built a new 3Gun upper and took it out yesterday. It is a 16" mid-length Nordic barrel with a standard non-adjustable YHM low profile gas block; Voodoo Innovations lower mass BCG and standard carbine buffer/spring; AP Customs carbon fiber hand guard; and Seekins ATC brake. Great accuracy (.60" group at 100) and it ran 100%, but failed to lock back on an empty mag most of the time (shot most with only one round in various mags to test function); and it ejected all cases forward of the firing line at 1 o'clock. Recoil seemed to be a bit more than I was expecting with the mid-length, low mass carrier and muzzle brake. Sounds like its over-gassed, right? Adjustable gas block needed? Thanks for any feedback. It should toss brass at 4 o clock,1 o clock is undergassed,u cant have that shooting competitively, going w an adjustable block will allow u to tune the gun so youll have lower recoil,less muzzle rise, and the ability to stay on target easier.I like the BTE blocks, theyre cost effective and work well in addition to being small and light. JP and a few others make good blocks but theyre pricey and do the same as the little guy., Once I found the BTE stuff its all Ive used.. hope this helps PS BTE is battle tested equipment, owned by vets Edited October 27, 2014 by Dustbuster1 Link to comment Share on other sites More sharing options...
GreenDragon64 Posted October 27, 2014 Author Share Posted October 27, 2014 I took 'er out earlier this week. Emptied the buffer, installed the adj gas block and VDI lightweight bcg. Was able to dial it in using listed minimum charges for 3 powders. CFE and H335 min charges worked, have to up H322 from the listed 22.5 charge to 23, only one it wouldn't lock back on, but it did cycle. Link to comment Share on other sites More sharing options...
KY1911 Posted October 30, 2014 Share Posted October 30, 2014 (edited) Just built a new 3Gun upper and took it out yesterday. It is a 16" mid-length Nordic barrel with a standard non-adjustable YHM low profile gas block; Voodoo Innovations lower mass BCG and standard carbine buffer/spring; AP Customs carbon fiber hand guard; and Seekins ATC brake. Great accuracy (.60" group at 100) and it ran 100%, but failed to lock back on an empty mag most of the time (shot most with only one round in various mags to test function); and it ejected all cases forward of the firing line at 1 o'clock. Recoil seemed to be a bit more than I was expecting with the mid-length, low mass carrier and muzzle brake. Sounds like its over-gassed, right? Adjustable gas block needed? Thanks for any feedback. It should toss brass at 4 o clock,1 o clock is undergassed,u cant have that shooting competitively, going w an adjustable block will allow u to tune the gun so youll have lower recoil,less muzzle rise, and the ability to stay on target easier.I like the BTE blocks, theyre cost effective and work well in addition to being small and light. JP and a few others make good blocks but theyre pricey and do the same as the little guy., Once I found the BTE stuff its all Ive used.. hope this helps PS BTE is battle tested equipment, owned by vets Took it out again this afternoon and it ran like a champ. 100% reliable and only 2 instances of it not locking back on empty; used a variety of 7 mags/brands. Still kicking brass to 1 o'clock though. Recoil is good and it runs fast. Tried to outrun it with the SD3G trigger and couldn't. Could it simply be the case of a new upper and BCG getting to know the existing lower and bolt catch? I made zero changes to rifle since last session and same handloads. Edited October 30, 2014 by KY1911 Link to comment Share on other sites More sharing options...
MickB Posted October 31, 2014 Share Posted October 31, 2014 Is the gas block aligned to the gas port properly? A lot of gas blocks require a 0.02" off set from the barrel shoulder.... Mick Just built a new 3Gun upper and took it out yesterday. It is a 16" mid-length Nordic barrel with a standard non-adjustable YHM low profile gas block; Voodoo Innovations lower mass BCG and standard carbine buffer/spring; AP Customs carbon fiber hand guard; and Seekins ATC brake. Great accuracy (.60" group at 100) and it ran 100%, but failed to lock back on an empty mag most of the time (shot most with only one round in various mags to test function); and it ejected all cases forward of the firing line at 1 o'clock. Recoil seemed to be a bit more than I was expecting with the mid-length, low mass carrier and muzzle brake.Sounds like its over-gassed, right? Adjustable gas block needed? Thanks for any feedback. It should toss brass at 4 o clock,1 o clock is undergassed,u cant have that shooting competitively, going w an adjustable block will allow u to tune the gun so youll have lower recoil,less muzzle rise, and the ability to stay on target easier.I like the BTE blocks, theyre cost effective and work well in addition to being small and light. JP and a few others make good blocks but theyre pricey and do the same as the little guy., Once I found the BTE stuff its all Ive used.. hope this helpsPS BTE is battle tested equipment, owned by vets Took it out again this afternoon and it ran like a champ. 100% reliable and only 2 instances of it not locking back on empty; used a variety of 7 mags/brands. Still kicking brass to 1 o'clock though. Recoil is good and it runs fast. Tried to outrun it with the SD3G trigger and couldn't.Could it simply be the case of a new upper and BCG getting to know the existing lower and bolt catch?I made zero changes to rifle since last session and same handloads. Link to comment Share on other sites More sharing options...
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