Yankee Hill Machine MR7 Series Upper Receiver Group 6.8mm

Yankee Hill Machine Company MR7 Upper Receiver Group Features The Yankee Hill Machine MR7 Upper is a complete upper receiver group built around the 6.8 SPC cartridge part of the company's MR7 series platform designed to offer shooters increased terminal performance over standard 5.56 NATO. The 16 barrel carries a twist rate and profile matched specifically to 6.8 SPC ballistics and the forged 7075-T6 flat top upper receiver with M4 feed ramps and T-marks gives the assembly a durable foundation built to established AR-pattern tolerances. A YHM Phantom flash hider/compensator manages muzzle rise and the YHM low-profile gas block keeps the gas system compact and unobtrusive under the handguard. A complete upper assembly like this one allows a builder to add 6.8 SPC capability to an existing lower receiver without needing to source and fit individual barrel bolt carrier group and handguard components separately. The MR7 mid-length M-LOK or KeyMod handguard bridges the upper receiver and gives builders room to mount lights optics or other accessories along a free float rail. Because the assembly ships complete with its bolt carrier group and charging handle that kind of turnkey approach saves significant time and reduces the risk of fitment issues during assembly. Builders drawn to the 6.8 SPC cartridge are typically looking for more downrange energy than 5.56 offers while staying within the familiar AR-15 pattern of operation and magazine compatibility where applicable. Yankee Hill Machine's manufacturing standards give builders confidence that the upper will function reliably once mounted to a Mil-Spec lower receiver. This kind of complete upper is a practical way to diversify an existing AR-15 build without investing in an entirely separate rifle. Available for sale at ARMSAGORA the Yankee Hill Machine MR7 Upper gives builders a straightforward path into the 6.8 SPC cartridge. Yankee Hill Machine Company MR7 Upper Receiver Group Specifications Manufacturer: Yankee Hill Machine Company Model: MR7 Upper Receiver Group Type: Complete Upper Receiver Group Caliber: 6.8 SPC Barrel Length: 16 Receiver: Forged 7075-T6 Flat Top M4 Feed Ramps T-Marked Handguard: MR7 Mid-Length M-LOK/KeyMod Muzzle Device: YHM Phantom Flash Hider/Compensator Gas System: YHM Low Profile Gas Block Included Components: Bolt Carrier Group Charging Handle Available At: ARMSAGORA