Sometimes a configuration just hits a sweet spot. This is that; at least for me. I got my first SBR in 2012 as a Form 4 Daniel Defense MK18. It was everything I hoped it would be. Shortly after I added an AAC M4-2000. I initially set the gun up much like the one below with an Aimpoint T1, a BCM grip, a Surefire light and a Geissele trigger. After awhile I decided to swap out the factory DD RIS II rail for a Geissele for a couple reasons:
1. The Geissele is lighter
2. The RIS II's bring stupid money
3. I wanted to see what all the Geissele hype was about.
Since then I've owned a few different configurations including trying a 30mm Aimpoint, folding sights, etc. In putting this one together, I selected each component to be exactly what I wanted based on experience. I prefer a T1 Aimpoint to a 30mm for size, weight, and battery life. They're also durable as hell (see the DD torture test video as well as firsthand feedback from mil and le friends. I prefer a fixed front sight. I like having the front sight there to help visually track the dot and on a couple of occasions the KAC 99015 "clone correct" sight would get bumped and partially fold. I like an X300 at 12:00 because it's compact and completely ambidextrous. The DD front and X300 go together like PB&J. I like a VFG on a short rifle like this. Otherwise, my wrist gets put at a painful angle. I don't "broom handle" it, but rather grip it similarly to how I put my support hand on a pistol. This also works great for light activation. I like the MK4 Geissele rail because it has integral sling QD's at the front as well as at the rear so I don't have to spend money on a sling attachment, nor does it add weight; plus it's a great thumb rest for when I'm not using the light.
Here's the full spec sheet for this build:
Lower:
Daniel Defense Form 4 SBR
Magpul CTR stock with enhanced pad
Factory H buffer with additional H weight to make "H2."
Colt carbine action spring
Geissele SD-E trigger
BCM Mod 1 grip
Geissele bolt catch
Upper:
BCM blem upper (wow that barrel/receiver fit is TIGHT)
Colt factory 10.3" M4 profile barrel (FSB shaved by yours truly)
Geissele 9.5" MK 4 MLOK rail, DDC
Colt FA BCG
BCM Mod 4 charging handle
Accessories:
AAC M4-2000 suppressor with 51-T Blackout Flashhider
Surefire X300U in tan
Daniel Defense fixed front sight
Magpul MBUS PRO rear sight
Aimpoint T1 4MOA in OG Daniel Defense 1pc lower 1/3 mount
Blue Force Gear VCAS sling in tan with QD swivels and 2 to 1 conversion
I was fortunate to hit the range with @karmapolice yesterday and get it zeroed at 100 with my preferred 62 grain Gold Dot load. Who says you can't shoot tighter than 4moa with a 4moa optic???
Then I ran a few hundred through it to make sure it runs well. 100% performance as expected across a multitude of exercises. Here's the last stage of the VTAC half and half. I ghosted the trigger on the first press and only fired 9...oops.
https://www.instagram.com/p/B_I9mYopGYz/
And here she is in all her photogenic glory. "Just right."
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Originally Posted by FPS
