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The DPMS Kitty Kat has earned a cult following among AR builders who want something a little different than the usual flat-top carbine. This complete upper pairs a stubby 7.5 inch 5.56 NATO barrel with the old-school C7 carry handle receiver, giving it that classic silhouette while still running modern mil-spec internals. It shows up fully assembled with the bolt carrier group and charging handle already in place, so you're not left hunting down small parts before you can put rounds through it.
At the heart of this build is a 4150V chrome moly vanadium barrel with a black nitride finish, which holds up well against corrosion and heat cycling. The 1 in 7 twist rate gives you the flexibility to run lighter bullets or heavier loads without much fuss, and the M4 barrel extension keeps things standard for parts compatibility down the road. Because the barrel is so short, DPMS built it with a pistol-length gas system to keep the action cycling reliably, and it's capped off with an R-marked front sight gas block and an A2 flash hider. The 4 inch knurled free-float handguard rounds out the front end with a look that matches the retro theme.
The receiver itself is forged from 7075-T6 aluminum and machined to mil-spec tolerances, then hard coat anodized in black for durability. It's the C7 carry handle style, which means you get that integrated A1 rear sight aperture instead of a modern flat-top rail, along with a standard forward assist and dust cover. It's a look that harkens back to earlier AR platforms while still giving you a receiver that's built to current mil-spec standards.
Rather than sending this out as a bare upper, DPMS includes a full bolt carrier group made from shot-peened Carpenter 158 steel, paired with an 8620 steel carrier that's chrome lined on the inside and phosphate coated outside. The gas key is hardened to USGI spec, secured with grade 8 screws, and properly staked, so it's built to handle repeated cycling without loosening up. Since the charging handle is included too, this upper is genuinely ready to bolt onto a compatible AR-15 lower and head to the range.
Yes, this complete upper ships with the bolt carrier group and charging handle already installed. That means you can bolt it straight onto a compatible AR-15 lower without sourcing any extra internal parts.
It will work with any standard mil-spec AR-15 lower receiver, including those marked for 5.56/.223 or multi-caliber use. Just make sure your lower's buffer and spring are set up to run smoothly with a pistol-length gas system on a short barrel like this one.
With a barrel this short, there just isn't room for anything longer, so DPMS built the Kitty Kat around a pistol-length gas system to give the bolt carrier enough dwell time to cycle reliably. It's a proven setup that's been used on short-barreled AR builds for years.
The C7 carry handle gives this upper a retro look reminiscent of earlier AR-15 rifles, complete with an integrated A1 rear sight aperture instead of a modern flat-top rail. It's a styling choice that a lot of builders like for a classic-looking pistol or SBR project.
| UPC | 810141220850 |
|---|---|
| Manufacturer | |
| Manufacturer Part Number | DP51655155946 |
| Action | |
| Barrel Finish | Black Nitride |
| Barrel Length | 7.5" |
| Caliber/Gauge | .223 REM/5.56 NATO |
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