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This MK4 jig is fabricated to fit a specific gas block, this model is for BCM and Vltor specific gas blocks.

The MK4 fixed jig is fabricated from carbon steel and mounts to the gas block set screw holes using longer provided set screws. The drilling guide hole is located on the OD of the barrel to provide 50% pin diameter in the barrel. Stock drilling hole size is #31 (0.120"). The jig is drilled to mount the barrel at a 1" center.

The Jig will include needed set screws and nuts and one #31 HSS drill.

Available options: 430108872

Make Model Fit:
AR-15.Universal
Item Height (Inches):
2.000
Item Weight (lbs):
1.000
Color:
Black
Material:
Carbon Steel
Item Length (Inches):
1.500
Model Number:
Item Width (Inches):
1.000
Quantity:
1
Shop All ED BROWN

MK4 Drilling Jig for BCM and Vltor Gas Blocks

MAP: 75.000000000
Your Price
$2,299.99 *
Crow # 430108872
MFR # MK4BO1
UPC

430108872_5W.jpg
430108872_25W.jpg
430108872_10W.jpg
430108872_15W.jpg
430108872_20W.jpg
430108872_1W.jpg
430108872_5W.jpg

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