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Piston Block Assembly
precision machined to work with all mil-spec AR15 parts and includes the port door and forward assist pre-installed
(1) 3/32" X 6" Hex Key (tool to adjust gas screw)
When using SBR’s and / or suppressors the bleed off port allows the excessive pressure to be exhausted out of the block reducing blow back
Hodgdon Benchmark Precision Smokeless Rifle Powder - 8 Lb. LOWER Piston Block AssemblyHodgdon Benchmark As the name implies, this Extreme Extruded propellant was developed for precision cartridges, such as benchrest and small varmint cartridges like the 6mm PPC, 22 PPC, 6mm BR, 22 BR, 223 Remington and 222 Remington. Additionally, it performs superbly in the 308 Winchester with light match bullets like the 147 gr. and 155 gr. versions. With small, easy metering granules, competitors will love how it flows through progressive presses.
