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12.5” K9 URG (Built)

From: $607.75

The “Built” K9 URGs features the best aftermarket items we sell as standard equipment in a ready to roll combo. From our highly coveted in-house made barrels, Purebred billet uppers, Purebred MLOK handguards, to our Bloodline accessories. You’ll even have the option to complete your URG with a Rosco/VLTOR charging handle and a Rosco Bolt Carrier Group to design one un-stoppable package. All K9 URGs come with a SOLGW Nox9 Neutral. Don’t pew like a POOR, live like a king without having to spend like one!

(2 customer reviews)

5.56 / 300 BLK Bolt Carrier Group (Nitride)

Rosco VLTOR Charging Handle

Out of stock

The Rosco K9 URGs are a culmination of the performance and synchronization of our barrels and accessories. Our original goal was to supply folks with well-made barrels to improve their current platforms. After we reached that marker, we then sought out the best accessories and tuned them to work perfectly with our barrels in a cohesive system. Ultimately, we decided to bring our talents as shooters and gunsmiths to provide non-builders with a product that was a drop-in option.

Our URGs have every bit of our DNA in them- from the years of turning barrels (OEM & Commercial), to the hand-picked support components, and the many hours of working over a bench. All the details that are often disregarded by other manufacturers are the starting points to these upper receiver groups. Headspace, correct torques, gas port/gas block alignment are the bricks that create a path to cornerstone performance. Those items are not just a hit-list of tasks for these URGs, it’s a roadmap we will never compromise on.

ALL NFA RULES APPLY!

Specifications:

Barrel Length 12.5” K9 Sage Dynamics (416R, Melonite)
Caliber 5.56x45mm
Twist

 1/7 RH

Gas System

Patrol Length

Gas Block

Bloodline, Non-adjustable, .750 dia, 4150 Steel (Melonite)
Gas Tube

K9, Patrol Length, stainless steel (Melonite)

Upper Receiver

Purebred, billet (7075 T6, T3 anodize)

Handguard

Purebred, 10.75” MLok (6061 T6, T3 Anodize)

Muzzle Device

SOLGW Nox9 Neutral

Additional information

Weight 5 lbs
Dimensions 32 × 4 × 3.75 in

Rosco VLTOR Charging Handle

Select your charging handle

Standard, Ambidextrous

2 reviews for 12.5” K9 URG (Built)

  1. Nick (verified owner)

    This is a solid upper, built above its price point. I’ve run it through the ringer and it holds zero and functions reliably. I most certainly will be getting more.

  2. Chelsen Kincade-Jackson (verified owner)

    Very solid upper receiver! The barrel is very accurate and the BCG is a breeze to clean. I can’t wait to push it out to longer distances! Paired it with a Geissele braided spring and an H3 buffer and it shoots incredibly soft. I’ll be buying all of my barrels from Rosco from her on.

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