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Why Choose DT15?
The DT15 isn’t just another AR — it’s a purpose-tuned rifle system built for professionals who demand reliability, performance, and real-world application. Every DT15 starts with a forged 7075 receiver set for maximum strength and includes ambidextrous controls, our patented V2 rail, and tuned gas ports designed to run suppressed or unsuppressed. From the materials we choose to the way each barrel is optimized, the DT15 is built to shoot smoother, last longer, and perform when it counts.
CRANE SPEC DT15 is purpose-built for duty use with a dedicated suppressor. Designed to run full-power defensive and duty ammo without over-gassing, this system eliminates the need for adjustable gas blocks, buffer weight swaps, or special spring tuning. With a .070 gas port and our DT15 9.6" M-LOK rail, this setup offers optimized suppressed performance without sacrificing reliability—even with training ammo.
DUTY SPEC DT15 is designed for professional use where performance and simplicity matter. Tuned with a .0715 gas port, it runs your defensive, training, and duty ammo—suppressed or unsuppressed—without requiring special tuning or components. While it may run select .223 loads, it truly shines with full-power 5.56 ammunition. Paired with the DT15 9.6" M-LOK rail.
COM SPEC DT15 is built to run anything you feed it. Tuned with a .073 gas port, it’s optimized for mixed-use performance across a wide range of commercial 5.56 and .223 ammo. If you're looking for a do-it-all upper, this is it. Comes equipped with the DT15 9.6" M-LOK rail.
Barrel Specs:
Included on All DT15 Uppers:
I purchased the DT15 upper after reading a bunch of reviews online about it. I have a MK18 Danial Defense. And I wanted to know how it stacked up against it. All I can say is I think I’m gonna sell my Daniel Defense!! I bought the duty spec, and this thing is smooth. Shooting side-by-side with my Danial Defense. My Danial Defense feels like a 308 in comparison. Great job, Disruptive!!
Just opened the box to inspect the upper I received. Wasn't sure what to expect. After handling it for a few seconds you could easily see and feel a quality upper. Not that I have handled hundreds of uppers, but this one shows quality and detail at the highest level I have ever handled. Being this is a Christmas gift for my son we probably won't get to test fire it until after the holidays, can't hardly wait. When I need another upper there will only be one, Disruptive products.
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