- Thread starter MO Fugga
- Start date
I like them and have them on multiple guns, no issues, and you have multi options for how to adjust it. front or from the side and different types of tools. personally, I like having a set number of settings with the dictator, or any gas block, so I no which setting is best for suppressed vs un-suppressed. Your rail choice, for example, how easy can you access the gas block, and how you set up your gun will probably influence your decision, but I'm sure there are a few good options out there. Riflespeed gas blocks look slick for quick adjustments
Like them. Super easy to adjust and like Knuckle said, can use multiple tools. They come apart easily enough for cleaning and have a wide range of adjustment while not being overly so like an SA gas block. They do tend to leak a bit. They use a straight gas tube and are fairly light. The part that actually restricts or increases gas flow is large and doesn't look to suffer from erosion issues and I've not had it lock up although I have had them get stiff. Can shut the gas off completely too.
I'm actually switching to the Riflespeed gas block on my POF DI for tool-less adjustment purposes. We'll see if I like it as much.
I'm actually switching to the Riflespeed gas block on my POF DI for tool-less adjustment purposes. We'll see if I like it as much.
I have Riflespeed gas blocks on two other rifles, one has been in use for about a year. I have three complaints with them.
When new (especially), they're really hard to turn, need a lot of lube otherwise they lock up during the first few times you shoot as everything expands thermally.
Second, they ship with two plunger lengths but you may need more for 300 blackout and they're very pricey for what they are. Sometimes it takes another to dial the rifle in and on 300 BLK, you want subs and supers within the same 12 position range to take advantage of the quick adjustment. There's additional range built-in but it requires pushing in the plunger and rotating the collar past the 12 or 1 position. Once you do that, there's a limited amount of range as it either fully compresses the spring or you're spinning the collar off the threads if turning in the other direction. Each plunger moves the range two positions. So right now my 8" 300 Blackout shoots supers at 1 and subs at 8. I'll have to buy another $19 plunger to move it over two notches so supers are at 3 and subs at 11.
Third, there's a big gap in adjustment collar length which makes it difficult to find the perfect setup for something like my POF Revolution DI with a rifle-length gas system. The 7533 collar is over 2" long and the 7521 is less than an inch. Because I use a suppressor, the 7533 extends to where the muzzle device would sit. And remember, as the collar rotates, it'll lengthen or shorten as well. I'm waiting on a back-ordered 7521 and will use with their quick lever kit. Pretty sure it'll work but it's going to be really close.
They do use a straight gas tube just like the Dictator gas blocks. Make sure your hand guard will clear as it's a tall setup. I had to clearance both my carbon fiber hand guards, one was a Smoke Composites and the other was a CODA, to make them work on those rifles. Overall, the riflespeed gas blocks are also heavier than other adjustable designs and it's a more complex system with more parts.
The one I've had on for a year works fine though, easy adjustments and no other issues to report.
When new (especially), they're really hard to turn, need a lot of lube otherwise they lock up during the first few times you shoot as everything expands thermally.
Second, they ship with two plunger lengths but you may need more for 300 blackout and they're very pricey for what they are. Sometimes it takes another to dial the rifle in and on 300 BLK, you want subs and supers within the same 12 position range to take advantage of the quick adjustment. There's additional range built-in but it requires pushing in the plunger and rotating the collar past the 12 or 1 position. Once you do that, there's a limited amount of range as it either fully compresses the spring or you're spinning the collar off the threads if turning in the other direction. Each plunger moves the range two positions. So right now my 8" 300 Blackout shoots supers at 1 and subs at 8. I'll have to buy another $19 plunger to move it over two notches so supers are at 3 and subs at 11.
Third, there's a big gap in adjustment collar length which makes it difficult to find the perfect setup for something like my POF Revolution DI with a rifle-length gas system. The 7533 collar is over 2" long and the 7521 is less than an inch. Because I use a suppressor, the 7533 extends to where the muzzle device would sit. And remember, as the collar rotates, it'll lengthen or shorten as well. I'm waiting on a back-ordered 7521 and will use with their quick lever kit. Pretty sure it'll work but it's going to be really close.
They do use a straight gas tube just like the Dictator gas blocks. Make sure your hand guard will clear as it's a tall setup. I had to clearance both my carbon fiber hand guards, one was a Smoke Composites and the other was a CODA, to make them work on those rifles. Overall, the riflespeed gas blocks are also heavier than other adjustable designs and it's a more complex system with more parts.
The one I've had on for a year works fine though, easy adjustments and no other issues to report.
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