18" and 20" so far. This is what I got from them.
We supply the correct size bolt when you purchase a Grendel barrel through us. We machine and turn the barrels in house with high quality material. And the intermid gas tube is a special length and it is included it with a purchase of one of our Grendel barrels along with our low profile gas block.
18" $350.00 20" $330.00
We supply the correct size bolt when you purchase a Grendel barrel through us. We machine and turn the barrels in house with high quality material. And the intermid gas tube is a special length and it is included it with a purchase of one of our Grendel barrels along with our low profile gas block.
18" $350.00 20" $330.00
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