Superlative ARMS Adjustable Gas Block, .750", Bleed Off - Clamp On

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Ratings Snapshot

4.8

out of 5

5 (12)

4 (0)

3 (1)

2 (0)

1 (0)

Would recommend this product.

92.3%

SKU: 214-DI-750C
Manufacturer: Superlative ARMS

Great design if you're not shooting .308 platform suppressed. Using as recommended in bleed off mode at maximum venting brass ejects at 1:30 and lands 10-12 feet away. Installed 8.5oz buffer and spring assembly and brass now ejects at 2:00 and brass land 6 foot away. The adjustable gas block that Springfield Armory installed on my new rifle has no detent and would not hold the adjustment setting but for 12-15 rounds it would eject at 3:30 and then the adjustment screw would back out (stovepipe / double feed). For non-suppressor use I would highly recommend this product. For .308 with suppressor look at POF Dictator or similar quality that comes with cleaning instruction to take care of carbon buildup after heavy use.

I’ve used every type of adjustable gas block and Superlative Arms makes the best, IMHO. Easily and quickly adjusted in the field; don’t have to make sure set screw is always secured; and there are numerous gas adjustments that can be made. These gas blocks make it very easy to get the softest and most reliable cycling of rifles or AR pistols in any caliber. The 6.5 Grendel and 6.8 SPC short barreled hunting rigs these are installed on have never failed and the gas blocks bleed excess gas away from the face and eyes. I’ve yet to have one of their gas blocks fail. Excellent Product!

Easy positive adjustment to gas flow, and excess/unneeded gas doesn't enter the action. The clamp on version allows for more positive seal with the barrel. Highly recommend.

Superlative Arms adjustable gas block is easily installs, thought the detent for adjustment could be a little more positive. So far seems to function well.

Easy to install. Adjustable without removing handguard, long Allen wrench included. Click detents are way better than just wondering how many turns you have made.

Simple to install. Adjustable without removing the handguard includes a long allen wrench. Click detents is much better than just questioning how many turns you have made.

I used this to replace an adjustable gas block I had made- which worked well but was not low profile. I swapped a Nordic handguard for an ALG EMR V2 M-Lok handguard, which is smaller in diameter and more comfortable to handle. This gas block vents gas forward, and my barrel has a mid-length gas port. I needed the more extended handguard so my hand can't inadvertently end up in front of this gas block (could happen in the heat of the moment in 3-gun competition) I can't say yet how much fresher or cleaner the rifle operates since it is the end of the 3-gun season. We are into hunting season, so not shooting this rifle very much. I can say the gas block was easy to adjust and no jams or FTF problems. Recoil does seem a bit less too.

Have installed 2 of these gas blocks, love the ease of adjustment. Have used them in both bleed-off and restriction modes work well. Quick to adjust after the installation of a suppressor.

The shipment arrived quickly from MSP. I was impressed with that. I received the melonite Superlative Arms adjustable clamp on gas block. The gas block itself went on easily and came with everything I needed. Install was easy, put my first 50 rounds through it today with no issues.

Best AR gas block ever! My AR was over gassed due to I run a suppressor at all times. Ordered the Superlative Arms adjustable gas block from Mountsplus and my problems were solved. Shipping was super fast. Arrived on time and just in time to shoot some steel over the weekend. Thanks, Mountsplus Link !! I will be ordering more AR Accessories from them in the future.

Product was out of stock and I was contacted immediately and told so. I was ok with waiting. When it came in they contacted me to make sure I still wanted it the sale had expired but they still honored the price it was when I ordered it. Superlative adjustable gas blocks are the best. They are on all my AR's including my 243.

Use it as a standard gas block or a bleed off. Both work and both have their purpose. The bleed off was designed mainly so that once setup a suppressor could be used without any further adjustments. It is said that the bleed off will make your system run cleaner. But if setup as a standard or bleed off and you are only using enough pressure to cycle the bolt, one setup is no cleaner or dirtier than the other. You will loose a few feet per second using the bleed off. Excess pressure is flowing out the gas block and not helping to push the bullet out of the barrel. But it is nice to have a single gas block that can handle multiple roles and not have to be changed once setup.