2022年7月4日 · This 13.9-inch pin and weld rifle is optimized for medium-range precision, complementing our CQB-focused 11.5-inch SBR build.

2024年2月20日 · I am nearing the end of a new 13.9 build using mostly Centurion components with their 13.9 CHF barrel and receiver. I am looking for a rail that covers most of the barrel and can be used with a SOLGW NOX9 Flash Hider and eventually a Dead Air can.

2023年2月22日 · You’re going to need a 2.7”+ MD for a 13.9 if you want 16” overall. There’s tons of threads about 13.7/13.9, specifically search for “Bexar Arms”, they have put together a comprehensive spreadsheet. Good luck with the build, I just did a criterion core 13.9 myself. 🫡

Started March 2023, was a slow build just because I wanted to do it with the correct combination of parts. Tried to spend $$ where I felt necessary and go solid mid tier for anything else - I have never shot an AR-15 before this build, believe it or not, so It was cool taking this to the range with my friend who has an off the shelf entry level AR.

2022年3月9日 · Quick build list: NIghtforce NX8 / Trijicon RMR Reptilia AUS mount 13.9” Criterion Core Geissele MK14 rail BCM upper/lower Ferro Slingster

2022年7月31日 · Thinking about a URX 3.1, but haven't seen any 13.9" builds with that rail. Anyone have any pics of that? Well, a 13.3375 inches will be the length from the face of the receiver to beginning of threads for the muzzle device. Hard part is finding measurement data for the complete handguard not just the rail sections.

2021年4月4日 · Has anyone done a build with these two? My concern is that the barrel will not have enough room for the threads to clear and part of the muzzle device would be covered by the rail. Warning

2022年8月23日 · This all-in-one unit is built like a tank and has impressive long-range throw that fits the precision-oriented build of this rifle. It’s a bit “chunky,” but I appreciate its durability and simple integrated pressure switch design.

Running the 13.9” build as fast as I can at 15 yards. Steel is c-zone size, ammo is 55gr reman from Freedom Munitions. I’m using the Leupold DPP mounted at 1...

2020年7月28日 · Looking for a good lightweight quad rail that will work perfectly for a 13.9" build. I'll have a Dead Air keymo flash hider on the end pinned and welded and eventually will need to be able to mount a suppressor so I don't want the handguard overlapping the rail but want it as close as possible.