Videos tagged with JP Supermatch

This video presents a direct shootout and comparison between a Krieger AR-10 barrel and a JP Supermatch barrel. The test involves firing a variety of factory ammunition (6 types) and handloads (4 types) through both barrels to evaluate their performance. The goal is to determine which barrel offers superior accuracy or other performance metrics under controlled testing conditions, providing valuable data for AR-10 owners and enthusiasts looking to upgrade their barrels.

This video details a reloading project for .308 Win using 175gr Sierra Match King bullets and IMR 4064 powder, aiming to replicate Federal Gold Medal Match performance. Testing involved a load ladder from 42.0 to 42.8 grains in a JP Supermatch barrel, with both suppressed and unsuppressed firing. Case capacity differences between brass types were highlighted as a critical factor for pressure management, especially with military brass. While accuracy was generally disappointing, the best group achieved was 0.902 inches unsuppressed at 42.4 grains.

This video features the arrival of a new JP SuperMatch .308 Win barrel for an AR-10 platform. The barrel is 20 inches long with a 1:10 twist rate. Additionally, a JP High Pressure Enhanced Bolt is shown. The content covers inspecting the new barrel and subsequently building both .308 Win and 6.5 Creedmoor upper receivers.