HeyChris Posted February 27, 2013 Share Posted February 27, 2013 Hello, I've got a Daniel Defense M4 URG, V1 as seen below. I'd like to remove the 12" quad rail and put a tubular hand guard on my rifle. The issue is that I've got a fixed front sight post. Anyone aware of a tubular hand guard that includes a slot for a FSP? Link to comment Share on other sites More sharing options...
Speedemon45 Posted February 27, 2013 Share Posted February 27, 2013 I can't think of one right off hand but why not just throw a $25 short gas block on it and install whichever hanguard you like. Link to comment Share on other sites More sharing options...
Bryan 45 Posted February 27, 2013 Share Posted February 27, 2013 Samon EX series will fit. Is your gas system carbine or mid length? Samson makes an EX in both, the carbine EX is here: http://www.samson-mfg.com/ar-15_html/product/Evolution-7EX.html Search the site for mid-length. Link to comment Share on other sites More sharing options...
HeyChris Posted February 27, 2013 Author Share Posted February 27, 2013 It's carbine length.. I've thought about just pulling it off, but I actually like the fixed post look. I'm just starting out in 3 gun so I'll be shooting with the rail and post for a bit, while getting used to things. Just trying to weigh my options for when I want to lighten the rifle further down the line. Taking a look at the Samson, thanks. Link to comment Share on other sites More sharing options...
HeyChris Posted February 27, 2013 Author Share Posted February 27, 2013 Screw it.. I'm taking it off. Link to comment Share on other sites More sharing options...
Prariedog Posted February 27, 2013 Share Posted February 27, 2013 JP has a carbine length with extension for just this purpose Link to comment Share on other sites More sharing options...
jn_fsu Posted February 27, 2013 Share Posted February 27, 2013 Look at Apex Machining... http://www.apexhandguard.com/store.php?seller=ApexMachiningCompany&navt1=19974&navt2=20383&pd=2271628#images Link to comment Share on other sites More sharing options...
Amerflyer48 Posted February 27, 2013 Share Posted February 27, 2013 Screw it.. I'm taking it off. I take that to mean your front sight is now gone,.. I use a Rainier Arms version of the Samson Rail and am very happy with it though it is a 12.37" on a rifle gas system but here it is. Link to comment Share on other sites More sharing options...
TitoR Posted February 28, 2013 Share Posted February 28, 2013 Ap customs for carbon fiber, with an w/o top picatinny rail. Link to comment Share on other sites More sharing options...
TitoR Posted February 28, 2013 Share Posted February 28, 2013 Ap customs for carbon fiber, with an w/o top picatinny rail. Link to comment Share on other sites More sharing options...
Alaskapopo Posted February 28, 2013 Share Posted February 28, 2013 Ditch the fixed front sight and get a low profile gas block and a Troy TRX rail. Pat Link to comment Share on other sites More sharing options...
Steve RA Posted February 28, 2013 Share Posted February 28, 2013 I'd vote for the AP, 15" if rifle gas system, 12" otherwise. Link to comment Share on other sites More sharing options...
HeyChris Posted February 28, 2013 Author Share Posted February 28, 2013 (edited) Not taken off yet, but getting ready to. I posted this over at AR15.com, but nobody has responded yet. I'm going to remove the DD M4 and want to replace it with a Troy BattleRail Alpha. I have a vice, punch set and AR-15 armorers tool. If I understand things correctly, the DD M4 rail is installed with a proprietary barrel nut. I'll need to remove that and install a standard barrel nut for the Troy BattleRail installation. Below is a list of the additional tools and parts I think I will need to complete the procedure. DPMS Upper Receiver Action Block Daniel Defense M4 Rail Threaded Ring Spanner Wrench AR-15 Standard Barrel Nut AR15, M16, M4 Daniel Defense .750 Clamp Low Profile Gas Block 1/2 In. Drive Click Type Torque Wrench Brownells AR15/M16 Front Sight Bench Block Troy/VTAC BattleRail Alpha - 15" Am I missing anything else? Lastly, if I am removing the DD barrel nut and installing the standard barrel nut, will that have any affect on headspace? It's my understanding the barrel extension will not be altered when removing the barrel nut, so headspace shouldn't be affected. Is this correct? Thanks everyone for the recommendations which included the front sight. I think removing it will give me more options in the future. Edited February 28, 2013 by DarkPowder Link to comment Share on other sites More sharing options...
Amerflyer48 Posted February 28, 2013 Share Posted February 28, 2013 Headspace is done when they install the extension onto the barrel the end user can't adjust that easily. Standard set for the barrel nut is 35 ft. lbs. back off retorque to 35 again back off then retorque to 35 and continue until the nut lines up with the reciever allowing the gas tube to go through make sure you arent off here as it will cause cycling issues if the tube binds. May want to double check if the procedure for torque values is the same when replacing a nut I have only seen sets for new recievers not sure as you are "reusing" your upper if the values would change, either way anti-seize is your friend Also measure the port from the shoulder and the port from the back of your gas block most dont take into account the lack of handguard spacer and you will have a single shot until you figure that one out and move the block forward to align the holes properly if there is a difference feeler guages make an excellent spacer while torquing down think most claim a .070" difference found. John Link to comment Share on other sites More sharing options...
HeyChris Posted February 28, 2013 Author Share Posted February 28, 2013 John, Thanks for the information. What do you mean by "measure the port from the shoulder and the port from the from the back of your gas block"? I purchased this as a complete upper so I'm not familiar with all the terminology up top. Link to comment Share on other sites More sharing options...
atvman400 Posted February 28, 2013 Share Posted February 28, 2013 Have you thought about the Noveske NSR? They are ridiculously light, almost sinfully light. I believe they just came out with a 15", not sure if you can get it tho.. Link to comment Share on other sites More sharing options...
NoSteel Posted February 28, 2013 Share Posted February 28, 2013 BIG vise!!!! Link to comment Share on other sites More sharing options...
HeyChris Posted February 28, 2013 Author Share Posted February 28, 2013 Have you thought about the Noveske NSR? They are ridiculously light, almost sinfully light. I believe they just came out with a 15", not sure if you can get it tho.. Hadn't seen those yet.. they look nice and a bit pricey compared to the others. Looks like some of the 15" are starting to ship to dealers now, but still hard to get. Any other 15" recommendations? Link to comment Share on other sites More sharing options...
Zmego Posted February 28, 2013 Share Posted February 28, 2013 +1 on Apex. I love mine. Link to comment Share on other sites More sharing options...
Bryan 45 Posted March 1, 2013 Share Posted March 1, 2013 I like the Samson 15" Evo. But, I will admit I'm partial. Link to comment Share on other sites More sharing options...
EkuJustice Posted March 1, 2013 Share Posted March 1, 2013 Norfic Link to comment Share on other sites More sharing options...
Amerflyer48 Posted March 1, 2013 Share Posted March 1, 2013 When you remove your sight base you will see your gas port there you have to make sure your port in the barrel and the port opening in your gas block line up some gas blocks have a spacing issue and you end up with a partial or no line up which makes for partial or no cycling when you go to the range.. Bryan 45 where did you get the pink ribbon rail cover ? Link to comment Share on other sites More sharing options...
Bryan 45 Posted March 1, 2013 Share Posted March 1, 2013 (edited) A fine man named David Power made these. They are made for the Samson Evo, and attach w/ plastic push-in fasteners. (simiilar to automotive trim fasteners) I don't know if there are any more, but if you are interested in one, PM me and I'll send you the contact info for Andrew at Samson. Edited March 1, 2013 by Bryan 45 Link to comment Share on other sites More sharing options...
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