The rest of the guys in the shop were just as knowledgeable and just as friendly.a good bunch of gun guys they are. He gave me some consult on my expected gas settings, a brief history of the design of the Sentry 7, and then sent me on my way with a meaningful LEO discount. He then handed me my gas block which he had assembled himself so it was ready for my arrival. He is very knowledgeable about AR15's and we spoke for several minutes about my AR, my intended uses, the ammo I would be shooting, gas pressure curves, gas port pressures, my use of the Vltor A5 recoil system, etc. I then met Todd and he took me for a quick tour of the shop. I show up in some sordid attire (covered in mud and soaked with rain due to some PT earlier that day on an O-course) and didn't receive as much as a crooked look from anybody there. I expected him to provide some type of excuse, but he only replied, "Cool. I explained that I would like to buy a Sentry 7 set screw gas block, and that I would like to pick it up in about 20 minutes. I called them while about 15 minutes out and spoke with Todd (the owner) on the phone. They are local to me, in Winter Garden, a Western suburb of Orlando. most "low-profile" adjustable gas blocks will fit under most handguards, but you definitely want to do your homework to confirm that before you buy anything.Several weeks ago, I picked up a new Sentry 7 adjustable gas block directly from SLR Rifleworks.
If the latter, then I'd recommend taking your gas block selection into account when selecting a handguard - I've found it easier to consider those components as a system and select them at the same time, instead of picking one and then finding a model of the other that will work with I've already picked.Īll of that said. In fact, it might be counterproductive - I'd think that the addition of a low-mass BCG would only make the overgassing that most fixed gas blocks cause even worse.Īre you dead-set on that specific handguard because you already have it on-hand, or are you just planning on buying it because you like it for whatever reason? If the former, then like SlvrDragon said, most manufacturers post mechanical drawings of their gas blocks for exactly this reason, so you're probably just going to have to check them all one-by-one until you find one that will work. I wouldn't go as far as to say that an adjustable gas block is required if you're running a low-mass BCG, but I don't think you're really going to reap much benefit from the low-mass BCG without being able to tune the gas settings on the rifle.
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