toothandnail 275 Posted October 4, 2013 Report Share Posted October 4, 2013 Just a few pics of some comps ready to install, also a vid, not of the comp necessarily, just a practice run, but it does show nicely how well it works. We also have some real testing vids on our you tube channels showing the numbers. ENJOY ! Quote Link to post Share on other sites
Tmc 3 Posted October 4, 2013 Report Share Posted October 4, 2013 Is this user installable Quote Link to post Share on other sites
james lambert 3,059 Posted October 4, 2013 Report Share Posted October 4, 2013 Those look nice. Jim 1 Quote Link to post Share on other sites
compshootfl 40 Posted October 4, 2013 Report Share Posted October 4, 2013 I would hope that you could create a drill pattern for the holes to send along with the comp, so the end user would be able to self install. It could be wrapped around the barrell and taped, then drilled. Quote Link to post Share on other sites
toothandnail 275 Posted October 4, 2013 Author Report Share Posted October 4, 2013 Is this user installable It does require you to port your barrel. So your question would depend on whether or not you have a mill or access to a mill. It could be done but we would recommend you either have us install it or your local gunsmith. Also if the user installs the comp it would be harder to diagnose any reliability issues if anything would arise due to misplacement. That being said I am sure we could work up a template that could be used. Thanks Jim. The black ones shown are anodized Quote Link to post Share on other sites
Tmc 3 Posted October 4, 2013 Report Share Posted October 4, 2013 I have a mill and the Firebird comp I bought didn't come with a port pattern so I never installed it Quote Link to post Share on other sites
gunfun 3,931 Posted October 4, 2013 Report Share Posted October 4, 2013 I'll be looking at the testing videos later, unless they are the prototype vids you showed earlier. I like that there are no sharp edges to snag on everything. Quote Link to post Share on other sites
toothandnail 275 Posted October 4, 2013 Author Report Share Posted October 4, 2013 I'll be looking at the testing videos later, unless they are the prototype vids you showed earlier. I like that there are no sharp edges to snag on everything. Those would be the same as before, we haven't made any internal changes since the gen 4 test, which is this comp. We just streamlined it some from those initial tests. You can see it in action on the "Joshua practicing at home", not really intended to be a demo video, but it does show it pretty good. Quote Link to post Share on other sites
rlillyskygod@yahoo.com 2 Posted October 4, 2013 Report Share Posted October 4, 2013 So do you know price on barrel and comp combo yet ? And have you run it on the 22" barrel yet ? Quote Link to post Share on other sites
james lambert 3,059 Posted October 4, 2013 Report Share Posted October 4, 2013 I have a mill and the Firebird comp I bought didn't come with a port pattern so I never installed it We used 10 holes per side .125" in a cluster of 3 rows .175" ctc, rows offset by 50% It should be noted that some barrels will produce a lower overall pressure than others QC seems to vary quite a bit. This means some barrels will not allow the gun to cycle after porting and is also why some guns will run lower power loads than others. Altering the gas ports can mask this issue, but will also induce others. A porting fixture is the best way to do this, even in a mill a .125 EM will try to walk on the radius. Brownells sells simple fixtures that can be used I made ours from tool steel and heat treated them for long life and accurate hole location. Due to the QC issues in the barrels, I am not porting at this time. If you are going to port one, I would be conservative with the number of ports and see how it works. Jim Quote Link to post Share on other sites
toothandnail 275 Posted October 4, 2013 Author Report Share Posted October 4, 2013 So do you know price on barrel and comp combo yet ? And have you run it on the 22" barrel yet ? Introductory offer $295.00, either length barrel. Quote Link to post Share on other sites
AR-12 Shotgun 16 Posted October 4, 2013 Report Share Posted October 4, 2013 Maybe I'm a little slow. Is that the price for me sending my gun to you for install and testing? Or just a new barrel that has the comp installed by you with me doing the install and testing? Quote Link to post Share on other sites
toothandnail 275 Posted October 5, 2013 Author Report Share Posted October 5, 2013 Sorry, that would be total install, and test firing by us. Wife was WAITING in the car to go out for supper, didn't want to keep her waiting , no she is VERY understanding, better than I deserve. Quote Link to post Share on other sites
AR-12 Shotgun 16 Posted October 5, 2013 Report Share Posted October 5, 2013 , no she is VERY understanding, better than I deserve. I'm sure that is true for most of the wives with husbands on here. Thanks again. Quote Link to post Share on other sites
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