Precision Reflex - Product Detail - .875 Profile Adj Gas Block W/ Straight Gas Tube - $85.00

.875 Profile Adj Gas Block W/ Straight Gas Tube

PRi .875 diameter high strength steel gas block with some fine tuning gas adjustment porting.
Item: 05-875-02GT  Ample Stock
  Manufacturer: PRI
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.875 Adjustable Gas Block With Straight Gas Tube.
The Adjustable gas block for .875 diameter barrel is constructed of 1141 high strength steel with a magnesium Phosphate finish. Gas block #10-32 adjustment set screw. Gas block held in place by 2 10-32 set screws. Gas block is 1.61" tall 1" in length and is .780" from bore center to gas tube. Block is 1.155 in width and comes with roll pin.  Gas block will not fit under most hand guards because of the extra elevation to get adjustment screw between gas tube and barrel.   The height from barrel center line and the gas tube is .78".  This set up works on AR15 rifle length gas systems and DPMS 308 gas system lengths.  The dimension from bore center to the top of the gas block is .940".  From the back of the gas block to the gas port hole is .250.  This leaves .035 between the back of the gas block and most steps in the barrel.  This is for installing of the A2 style hand guards.  So there should be a .035 gap between the barrel step and the gas block.  This can be filled with spacer or leave empty.  The overall Length of the straight gas tube is 15.165"
  • Manufacturer: PRI
  • Shipping Weight: 0.26 lbs
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