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Posted: 7/24/2016 11:25:50 PM EDT
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I'm building my interpretation of a DMR. The parts are starting to show up and I've been thinking about the trigger. Does anyone know which trigger(s) the military uses in their DMR rifles? I love light precise triggers but I want this gun to be rugged and practical. So I'm curious what the military decided on. Thanks! Doc |
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Quoted:
I'm building my interpretation of a DMR. The parts are starting to show up and I've been thinking about the trigger. Does anyone know which trigger(s) the military uses in their DMR rifles? I love light precise triggers but I want this gun to be rugged and practical. So I'm curious what the military decided on. Thanks! Doc Guessing SSA or SSF? |
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KAC 2 stage in our Mk12s. But keep in mind that KAC was the only manufacturer making a light trigger that was compatible with an auto sear and auto components. If I were you, I'd just get a Geiselle SSA-E or LaRue MBT. Both are great triggers and feel relatively the same. |
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Quoted:
I'm building my interpretation of a DMR. The parts are starting to show up and I've been thinking about the trigger. Does anyone know which trigger(s) the military uses in their DMR rifles? I love light precise triggers but I want this gun to be rugged and practical. So I'm curious what the military decided on. Thanks! Doc What is your part list if you don't mind me asking |
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The USAMU used the KAC 2-stage because that was already Army/SOCOM safety-certified for the Mark 12 SPR.
Now that the Geissele SSF is SOCOM-certified that would be my recommendation as it has faster lock-time and fewer durability issues. We would replace KAC triggers at 3500-odd rounds or after the second barrel if it was still holding up (on 3rd Ranger Battalion SPRs). A Geissele SSA would be a good stand-in since/if you don't need select-fire. |
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Quoted:
What is your part list if you don't mind me asking That's an interesting question. I've been wanting to build a DMR style rifle for some time. I'm not sure my concept of a DMR rifle matches the many builds I've seen online or even the military's. I want the lightest rifle that gives me acceptable (1 MOA hopefully) that is still very rugged and very practical. I want to to work well from 25 to 600 yards. I wanted to go with a 20" barrel because that's really what the 5.56 was designed for . Looking at velocity vs barrel length charts that seems like the sweet spot. So when I saw a 20" PSA upper finally show back up in stock I decided to grab it. It's this upper.... PSA 20" Upper 
It's got an "A2" profile barrel. I'm doubtful that will get me the 1 MOA (with match ammo) that I'm after, but I wanted to start with the lightest barrel I could. If accuracy isn't acceptable I'll try something a little heavier. What I want to avoid is a really heavy barrel because I want this to be a practical gun to carry. I have several extremely accurate (1/4 MOA) rifles including a pure bench rest rifle. They are awesome and completely impractical. (continued in next response... new users are limited to 2000 characters for some crazy reason). Doc |
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(continued...)
I'm just going to build up a PSA lower with one of their lower parts kits but I'm going to use a Geissele SSA or SSA-E trigger after reading the responses to this thread. I think I'm going to go with a Magpul PRS stock. Half of me wants to go with something lighter but I think having a good interface between the shooter and the gun is important especially with an AR where the standard butt stocks tend to be terrible with a scope. I haven't decided on the grip yet, but it'll probably just be a magpul. I'll most likely throw a Harris bipod on it. I own several Harris bipods and am happy with them. Although I know there are some newer brands out there so I need to research it and make sure there isn't a better option. The scope I haven't done any research on. I want something variable powered. Ideally 2x-10x or something like that. I like the Primary Arms 4-14 with the ACSS reticle but I don't think I want a scope that large/heavy and I think I want a lower power that 4 on the low end. I have a lot of research to do here to figure out what I want. |
I was a designated marksman for a deployment with a Guard unit...I had a shitty stock M16A4 and then a shitty M4 with a super nice TA31F on top  This was circa 2008.
Still made 8/10 hits @ 500yds on the KD range with either rifle on an average day. 
My civilian mockup of that configuration has changed over the years, and is no longer a true clone but still has a TA31F. The rifle is now a BCM 14.5 BFH barrel with KMR handguard and an SSA-E. Man, what I would have given for a Geissele trigger over there... |
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