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30 October 2013, 17:34 #1
Parallax Tactical Super Light Low Profile Gas Block
Parallax Tactical has had their Super Light Weight Gas blocks available for awhile, but I haven't seen many pictures of them. Nor have I heard many people using them. I finally got my hands on one and installed it on a Rainier Arms 300 Blackout Barrel. The Gas block went on without any issues. It's held in by 2 set screws. My Barrel was already dimpled so it made installation very simple. Because of the cutouts on the gas block, there isn't enough room to pin the gas block to the barrel. If this is important to you, it's probably not for you. Check out the full specs and ordering information here.
Description:
Parallax Tactical PXT Super Light Low Profile .750 Lightweight Gas Block. Machined from 4140 chromoly steel, finished in tough black nitride. Low- profile design has .1" thick side walls— 33% thicker than the leading competitor, and still two grams lighter. Once centered, two bottom grub set screws secure the gas block firmly. Easy-to-install chamfered gas block roll pin completes the process.
Specifications:
4140 chromoly steel
MeloniteTM QPQ coating
Side wall thickness .1"
Weight: 36g (minus screws)
Inner diameter .750"
#10-32 x 1/4" Grub point screws; with teeth Hole in top to locate barrel gas port
One side of the gas tube roll pin is chamfered to aid in installation.
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31 October 2013, 10:53 #2
What's that screw sticking out of the front? Is it adjustable? If so I don't see that in the specs ...
I almost bought one of these just last week.
Ended up using a DSA, Inc. gas block instead and it worked well on a Mossberg OEM 16" .223/5.56 AR Barrel:
DSA, Inc. Low Profile .750 Gas Block
Maybe I'll try the Parallax Tactical next time ...
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31 October 2013, 17:41 #3
I was also curious on the screw or allen head sticking out of the front.
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31 October 2013, 19:44 #4
Yes, that's the adjustable gas block version.
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1 November 2013, 07:58 #5Member
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2 November 2013, 01:56 #6