Description
The Superlative Arms patented “Bleed Off”, Gas Piston System for the AR15 platform adjusts the gas flow by bleeding the gas out of the block instead of restricting the flow like conventional adjustable blocks.
Results:
- The pressure used in the block is reduced only to the amount required to drive the bolt carrier. The remaining gas / pressure are bled out of the block allowing the system to run much cleaner and cooler.
- Reduction of felt recoil.
- Patent pending adjustment detent is located outside of the block and therefore no contamination.
- The gas adjustment screw does not restrict the gas flow; therefore there is no erosion or seizing of the screw / no loss of detent due to carbon build up. Although it is removable, we have added a safety mechanism, which stops you from unintentionally backing the screw all the way out.
- When using SBR’s and / or suppressors the bleed off port allows the excessive pressure to be exhausted out of the block reducing blow back.
DATA:
Firearm Type: AR15
Gas Length: Rifle Length
Barrel Diameter: 0.750"
Weight: 12.8 oz.
Piston Block Attachment Type: Solid, Set Screw
Piston Block Material and Finish: 416 SS, Melonite
Carrier: Ion Bonded, 1 pc. Carrier w/ Skis and Dimpled Key
Gas Adjustment: (Patent Pending) 30 Locked Positions, Front Of Block
Bleed Off Port: (Patent Pending) Front Of Block
NOT 300 BLK RATED! Dedicated SKU# Coming Soon
INCLUDED:
Piston Block Assembly
Carrier (bolt not included).
(1) 3/32" X 6" Hex Key (tool to adjust gas screw)
(1) 9/64" X 6" Hex key (tool to install/remove gas block plug)
(1) Bushing and insert tool (Just an extra.... we have had some requests. Use at your discretion).
Installation Instructions & QR Code For Video Tutorial
SKU#: SABO-PS-R750SM
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Comments (3)
I have one, it's HOT GARBAGE.
The piston sticks in the rear position of the gas block after every trigger pull, bolt won't fully close. You have to take the upper completely apart to fix it. I think the tolerances are off. I emailed Supurlative, no response for weeks. I called and was told it was now out of warranty so buy another one or good luck. I got this back in 2014, and I am not confident that things have changed.
I may have gotten a lemon but, customer service was lousy so buyer beware.
You might have got a piece of "HOT GARBAGE", but my setup from Superlative Arms works great. As for the bolt not closing, it shouldn't be a problem with gas tube/gas key alignment since it's not the typical inpigment setup; so have you checked your headspace with some go/no-go gauges? Is it just when actually shooting? If so, what weight buffer do you have? Too much gas from an improperly adjusted gas block or too light of a buffer weight can cause bolt bounce among other issues. Maybe you can do some further troubleshooting and comment back to let everyone know the actual problem.
What would stop someone from cutting down this rifle-length piston system down to mid or carbine length?