CMMG 99D517A Replacement Barrel Kit with Bolt Carrier Group, 9mm

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CMMG 99D517A Replacement Barrel Kit with Bolt Carrier Group, 9mm Luger 8″ Threaded, Black, Radial Delayed Blowback, Fits AR-Platform

$473.99

30 in stock

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CMMG’s 9mm Barrel and BCG Kit allow you to build a Pistol Caliber Carbine using CMMG’s Patent Pending Radial Delayed Blowback System. Unlike typical direct blowback systems, RDB uses a bolt that is forced to rotate and unlock, slowing the BCG. This results in a lighter BCG for a lighter rifle, and less felt recoil than a straight blowback system. Their Barrel and Bolt Kits are designed to work exclusively with mil-spec AR-15 upper receivers with a modified ejection port, like their MkG/MkGs upper, and most mil-spec AR15 lowers when used with 9 AR Conversion mags as well as their MkGs Mk17 and Mk9* lowers. Other manufacturers receivers may work, but we cannot guarantee function or reliability.*Older Mk9 lowers will require one of their retrofit kits to convert it to a Radial Delayed Blowback compatible lower, instead of Traditional Blowback.

UPC

815835019802

Manufacturer

CMMG

Manufacturer Part Number

99D517A

Width

1.9500

Threaded

Yes

Sights

No

Other Features

MEDIUM TAPER,

Length (in)

8

Length

17.2500

Height

1.8500

Finish

BLACK MATTE

Dimension

1.85 X 1.95 X 17.25

Caliber/Gauge

9mm

AR-15 Accessory

Yes

Rate of Twist

1:10"

Model

Replacement Barrel

Product Type

Barrel

Subcategory

Barrels

Fit

AR Rifles

Color

Black

Barrel Length

8"

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