First purchase with Mas Defense! Excellent value! Purchased on sale. Couldn't resist the price which included the Gas Block and Tube. Once received, I was extremely surprised with the quality of the products. The barrel was outstanding and loved the finish. The Gas block and tube were mounted, but not permanently attached. The Gas hole lined up perfectly with the gas block pushed up against the lip. Two screws to hold the gas block in place, but there was no dimple to hold either screw. I mounted the gas block with the hole lined up and screwed in the rear screw. Then drilled a dimple in the first hole to better hold the gas block in place. Took mere seconds once I had the drill and bit together. Installation a breeze. Fabulous product. I will purchase again and highly recommend! 5 Stars!
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