M34TY Posted June 3, 2016 Report Share Posted June 3, 2016 This is my first AR type build. Parts: Nikon P-308 Burris Pepr QD 1" mount Aero Precision M5 Upper and Lower Aero Precision MLok handguards (FDE) DPMS 18" 1/10 SASS Barrel with DPMS .936 Micro Block Troy mid-length gas tube Precision Armament M4-72 Brake with accuwashers (FDE cerakote) WC Armory NIBO BCG AXTS Raptor Charging Handle (FDE) CMC single stage trigger (2 3/4lbs) Magpul K2 grip (FDE) Magpul UBR Stock (FDE) SprinCo Orange Buffer Spring 3.8 oz heavy buffer Magpul 20 round mag Still trying to see what it likes to be fed. I have put Federal Premium Gold Medal Sierra MatchKing 168 grain through. I have a box of the same ammo at 175 grain. 3/4" group at 100yrds. About as much recoil as a stock 5.56. Real fun rifle to shoot. Quote Link to comment Share on other sites More sharing options...
mineralman55 Posted June 3, 2016 Report Share Posted June 3, 2016 Very nice! Those AP M5 uppers with matching M-LOK handguards are the nutz. We need more coon-asses here. Too many Texans. Quote Link to comment Share on other sites More sharing options...
M34TY Posted June 3, 2016 Author Report Share Posted June 3, 2016 2 hours ago, mineralman55 said: Very nice! Those AP M5 uppers with matching M-LOK handguards are the nutz. We need more coon-asses here. Too many Texans. Thr rail is seamless with them. main reason I went that route. Really enjoying this rifle. Cant wait to go hunting! Quote Link to comment Share on other sites More sharing options...
unforgiven Posted June 3, 2016 Report Share Posted June 3, 2016 Got an M5 also FDE upper blk lower but with a keymod handguard.I also got the Nickel boron BCG.Had a very hiccups with FFE and FTF,changed the recoil system to Armalite parts and resolved the problem.I take it since thier were no mention of issues you had none.I had the barrel cut down and added a Battle Comp for a 16.1 overall lenght.Lastly put in the LaRue MBT trigger with LaRue A-Peg rough texture FDE grip. Quote Link to comment Share on other sites More sharing options...
M34TY Posted June 3, 2016 Author Report Share Posted June 3, 2016 7 hours ago, unforgiven said: Got an M5 also FDE upper blk lower but with a keymod handguard.I also got the Nickel boron BCG.Had a very hiccups with FFE and FTF,changed the recoil system to Armalite parts and resolved the problem.I take it since thier were no mention of issues you had none.I had the barrel cut down and added a Battle Comp for a 16.1 overall lenght.Lastly put in the LaRue MBT trigger with LaRue A-Peg rough texture FDE grip. No issues as of yet. put 40 rounds through at the range. I was going back and forth with the LaRue grip and the K2. Are you also running the DPMS SASS barrel? I had to hunt for like 6 months for the dang gasblock. Quote Link to comment Share on other sites More sharing options...
M34TY Posted June 4, 2016 Author Report Share Posted June 4, 2016 8 hours ago, unforgiven said: Got an M5 also FDE upper blk lower but with a keymod handguard.I also got the Nickel boron BCG.Had a very hiccups with FFE and FTF,changed the recoil system to Armalite parts and resolved the problem.I take it since thier were no mention of issues you had none.I had the barrel cut down and added a Battle Comp for a 16.1 overall lenght.Lastly put in the LaRue MBT trigger with LaRue A-Peg rough texture FDE grip. Also do you have the WC Armory BCG? Quote Link to comment Share on other sites More sharing options...
unforgiven Posted June 4, 2016 Report Share Posted June 4, 2016 Upper was Aero complete w/Stainless barrel. BCG is also Aero Nickel boron. Quote Link to comment Share on other sites More sharing options...
survivalshop Posted June 4, 2016 Report Share Posted June 4, 2016 13 hours ago, M34TY said: No issues as of yet. put 40 rounds through at the range. I was going back and forth with the LaRue grip and the K2. Are you also running the DPMS SASS barrel? I had to hunt for like 6 months for the dang gasblock. There was a tread on that subject many years ago here & I forget what's found out about their special Gas Block for the Sass BBL. . Anyone remember ? Quote Link to comment Share on other sites More sharing options...
washguy Posted June 5, 2016 Report Share Posted June 5, 2016 (edited) From the dark corner of the lower level bunker I did get mine from jse a long time ago Gas Block DPMS SASS Gas Block 308 Micro 936 Gas Block DPMS SASS Gas Block 308 Micro 936 Gas Block. DPMS reports that the SASS barrel requires a “Special Gas Block”. Naturally they are the only ones to produce it. Well I cant confirm what they say at the moment but I will get to the bottom of this. A quick check of my SASS barrel didn’t find any unusual dimensions but I will investigate thoroughly when I get a non dpms gas block. Update: I have confirmed that the DPMS SASS barrels do in fact require a special gas block. The issue is the diameter of the barrel is between the receiver and the step down to .936 is greater than that of a typical barrel. This results in the hole in the gas block for the gas tube being obstructed in a manner preventing the gas tube from being installed. The DPMS gas block raises the gas tube position to compensate. Note the wall thickness in the image above Edited June 5, 2016 by washguy Quote Link to comment Share on other sites More sharing options...
washguy Posted June 5, 2016 Report Share Posted June 5, 2016 http://www.brownells.com/rifle-parts/gas-system-parts/gas-blocks/micro-936-gas-block-prod54725.aspx they dont cost hardly nuthin now that folks have figured out that they are too damn heavy of a barrel to use lol Wash Quote Link to comment Share on other sites More sharing options...
M34TY Posted June 5, 2016 Author Report Share Posted June 5, 2016 Now they are all over. I found it at graf & sons online. Quote Link to comment Share on other sites More sharing options...
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