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128688
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Proof Research Stainless Steel 6MM ARC Barrel - 18"
Proof Research has designed their AR barrels with the goal of improving performance and reliability in the AR platform. Their Caliber Matched Gas System (CAMGAS) results in a gas system that is tuned specifically for the cartridge and length of the barrel. The AR-10 was designed around the 308 Win/7.62NATO round. With higher performance cartridges such as the 22 Nosler and 6.5 Creedmoor, the bore pressure remains higher further down the barrel. By moving the port location, we ensure that the gas system pressure is the same as what the AR platforms were originally designed around. The result is a recoil impulse that is noticeably softer, less fouling in the receiver, increased reliability of extraction, and less wear and tear on brass. This helps keep you on target and shooting while taking advantage of the latest high performance cartridges.
Features:
Specifications:
Rainier Arms, by default, will check headspace on all barrels and bolts that are shipped together. However, as we ship out of multiple warehouses, we cannot guarantee that a barrel and bolt will ship together. If you need headspace checked prior to shipment, please add the headspace service from the gunsmithing page to your order. PLEASE ALLOW UP TO AN ADDITIONAL WEEK TO SHIP YOUR ORDER IF YOU ADD THIS SERVICE, as product may have to go from one warehouse to another.
SKU | 128688 |
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Product Type | Barrel |
Manufacturer | Proof Research |
Gas Block Diameter | .750" |
Thread Pitch | 5/8x24 |
Color | Stainless |
Barrel Length | 18" |
Caliber | 6mm ARC |