$260.99
1 in stock
Online inventory may differ from in-store availability.
Quick turnaround so you get your gear sooner.
Trusted checkout with industry-standard protection.
Keeping Traditions Alive Since 1953
Secure Transactions provided with 
The Superlative Arms .750 Adjustable Piston System takes a different route than most gas systems on the market. Instead of restricting gas flow the way a typical adjustable block does, this one uses a patented bleed-off design that vents excess pressure right out of the block. Your rifle only uses the amount of gas needed to drive the carrier, and everything left over gets dumped before it can heat things up or foul the action. That translates to smoother cycling, noticeably softer recoil, and a lot less carbon working its way back into the receiver.
This is the rifle-length op rod version with a clamp-on .750 inch gas block and a left-hand carrier, so it drops onto barrels with a .750 gas seat and suits left-hand builds. The block is machined from 416 stainless steel with a Melonite QPQ finish, which holds up well against heat and corrosion over the long haul.
The adjustment detent sits outside the gas block rather than in the gas path, so carbon buildup does not mess with your settings or seize the screw over time. You get repeatable, positive clicks across a wide range of positions, and a built-in safety feature keeps the screw from backing all the way out on you. Tuners running suppressors or short barrels tend to appreciate this most, since the bleed-off port dumps that extra backpressure that usually shows up as blowback and over-gassing.
Installation is a straightforward DIY job for most folks comfortable working on their own AR. Pull the old gas block, set up the piston block and op rod, and tune the gas until you get reliable lockback. Take your time and follow the included instructions. Some slimmer handguards may need a little clearance for the block, so it is worth checking fitment before you start. Once it is set, the system holds its tune and just keeps running.
Conventional adjustable blocks work by restricting gas flow, which can lead to erosion and a screw that seizes up from carbon over time. This system bleeds excess gas out of the block instead, using only the pressure needed to cycle the carrier. Because the adjustment detent lives outside the gas path, it stays clean and holds its setting.
This is the rifle-length version with a clamp-on .750 inch gas block, so your barrel needs a .750 gas seat and a rifle-length gas port location. It also uses a left-hand carrier, making it a fit for left-hand builds. Note that some slimmer handguards may need a bit of clearance to fit the block, so check your rail before ordering.
The kit comes with the gas block, op rod, spring, and carrier, but it does not include a bolt. Any standard AR-15 bolt will work with the included carrier. You will just need basic AR tools and a little patience to complete the install and tune.
That is where it shines. The bleed-off port dumps the extra backpressure that suppressors and short barrels normally send back into the action, cutting down on blowback, carrier speed, and fouling. Fewer gas problems and a smoother, cleaner running rifle are the payoff.
| UPC | 850051342655 |
|---|---|
| Manufacturer | |
| Manufacturer Part Number | SABO-PS-LFD-R750CM |
You must be logged in to post a review.
Reviews
There are no reviews yet.