Heckler & Koch MR556 Barrel, 16.5"

Description: Heckler & Koch MR556 Barrel, 16.5". Manufactured from the H&K's famous cold hammer forging process, this high quality steel barrel is produced for the MR556 semi-automatic rifles chambered in 5.56x45mm and .223 Rem. This thick barrel features a length of 16.5", a black coated finish, 6 lands of internal groves with a 1 in 7 inch twist and is mildly "swagged" with a smaller internal diameter at the muzzle end. This barrel is perfect for your next big workshop project or as an immediate replacement for your current MR556A1 rifle.

This unchromed barrel has an internal profile of 6 lands and grooves with a 1 in 7 inch (178 mm) twist. It is also moderately "swagged" with a slightly smaller internal diameter at the muzzle end than the chamber end. This feature has a positive effect on bullet accuracy and velocity. The thick, heavy contour 16.5-inch MR556A1 barrel also contributes to its excellent accuracy. Features: Unique Forging Process 16.5" Length Black Coated Finish "Swagged" With a Smaller Internal Diameter Thick & Heavy Contour 1 in 7" Twist

Note: It is recommended that all H&K rifle parts be installed by a qualified gunsmith.

Manufacturer: Heckler and Koch

PRODUCT SPECIFICATIONS:

• Barrel Length: 16-1/2"
• Barrel Thread Pitch: 1/2" x 28 TPI
• Brand: Heckler and Koch
• Caliber: 5.56x45mm,.223 Rem
• Finish / Color: Black
• Firearm Type: Rifle
• Material: Steel
• Models Fit: HK MR556A1