The Gun Store | Waterbury CT

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Winchester Repeating Arms 511251292 SX4 Hybrid 12 Gauge 28″ 4+1 3.5″ Gray Cerakote Rec/Barrel Black Stock Right Hand (Full Size) Includes 3 Invector-Plus Chokes

April 21, 2026
186188

DPMS DP51655207131 KITTY KAT 556 A4 7.5″BRACE BLK

April 21, 2026

MAXIM PDX UPPER 5.56 5.5″ BLK

$1,165.50

MAXIM PDX UPPER 5.56 5.5″ BLK

5 in stock

SKU: RSR|MXM-47813 Category:

The NEW Maxim Defense PDX U.R.G is built to handle the fierce demands of the Tier 1 community and designed to install on any Mil-Spec lower receiver. With the PDX U.R.G, you dominate close quarter encounters and achieve maximum energy on target without sacrificing accuracy at distance. At just 14″ in overall length and a 5.5″ barrel, the PDX U.R.G. is the ultimate choice for when concealment and personal defense is non-negotiable. The PDX U.R.G. is also equipped with newly invented Maxim HATEBRAKE Muzzle Booster. This patent-pending device significantly reduces recoil, decreases the flash signature, pushes gasses and concussion waves downrange away from the operator improving overall execution in short barrel pistols and rifles. The PDX U.R.G. uses a Direct Impingement system.

UPC

680017478131

Manufacturer

Maxim Defense Industries

Manufacturer Part Number

MXM-47813

Barrel Length

5.5"

Caliber/Gauge

.223 REM/5.56 NATO

Model

PDX

Product Type

Upper