Tacticool accessory advice needed for my new AR

OZZ said:
So whats so great about a pinned on FSB? I like the YHM two piece gas blocks much better that use cap screws.

You can clean it much easier and do any work on the rifle much easier , no problems with off centered FSB either.


Well for one a taper pinned FSB will not shift during use...

The YHM setup is about the WORST method of affixing a gasblock I have ever seen. I appreciate that many here will not fire 1k+ of rounds a day given the 5rd mag law in Canada - but keep in mind that those of us who have have noticed problems with front sight gas blocks that are not pinned.

I dont really understand your cleaning comment? Clean what exactly?
 
sparhawk said:
take it back until they get it right... why are you settling???

Yeah, you're right, I'm not going to just accept this. The railed handguard is canted to the left, and the front site is off even further than the handguard. The more I look at it, the more it pisses me off. I've sent another email to Dlask about this. Unfortunately, I'm on Vancouver Island, so the best I can do is ship it back to them, have them mess with it, then inspect it when they send it back. I wish I could just go to their shop, inspect it there and have them keep it until they get it right. At this point, I'm not sure I'd be fully satisfied with less than a replacement of the upper with one that is put together properly from the start. I'm just not comfortable with what they might do to try and "fix" this one. They even managed to put a chip / scratch in the handguard and one of its rails while switching the FSBs. The finish on the upper receiver leaves a bit to be desired as well, with a couple of spots that are lighter than the rest ... apparently inconsistent anodizing. The lower looks and works great, but the upper ... :(

Anyway, I know there's a representative of Dlask on this forum. If you're reading this, you should know I'm starting to wish I paid attention to the negative half of reviews I read of your products, rather than the positive half. I would like to end my participation in this thread totally satisfied, with good things to say about your customer service ...
 
KevinB said:
Well for one a taper pinned FSB will not shift during use...

The YHM setup is about the WORST method of affixing a gasblock I have ever seen. I appreciate that many here will not fire 1k+ of rounds a day given the 5rd mag law in Canada - but keep in mind that those of us who have have noticed problems with front sight gas blocks that are not pinned.

I dont really understand your cleaning comment? Clean what exactly?

Kevin, makes it very easy to clean the gase tube without shoving crud into the rifle i:e; you can remove the gas block with gas tube in 30 seconds and clean it outside.

YHM being the worst?, it uses the same design that your engine uses to hold the crankshaft and and con rods. I really doubt it would get loose with heat.
Those other great FSB are slightly larger diameter than the barrel allowing you to slide it on and then pin it, they are not an interference fit if they were an interference fit,(i;e; pressed on) then ya they would have more clamping power than the YHM cap&screw design.
 
Oh man... that reminds me of my Benelli Stoeger screw up... I dinged the receiver (put a nasty ding in it) I sent it to Steogers to see if they could fix it. They told me they couldn't and were sending it back.

I got it and it had an additional nice long razor blade scratch (obviously someone there was a little too eager to open the box). What could I do but suck it up. <sigh>
 
KevinB said:
WTF are you cleaning the gas tube for?

Yeah they do get loose

LOL, maybe same reason I clean behind my ears once or twice a year. :p
No, I have`nt fired a thousand rounds in one sitting but a couple hundred with no problems at all.
 
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Disaster Monkey said:
Yeah, you're right, I'm not going to just accept this. The railed handguard is canted to the left, and the front site is off even further than the handguard. The more I look at it, the more it pisses me off. I've sent another email to Dlask about this. Unfortunately, I'm on Vancouver Island, so the best I can do is ship it back to them, have them mess with it, then inspect it when they send it back. I wish I could just go to their shop, inspect it there and have them keep it until they get it right. At this point, I'm not sure I'd be fully satisfied with less than a replacement of the upper with one that is put together properly from the start. I'm just not comfortable with what they might do to try and "fix" this one. They even managed to put a chip / scratch in the handguard and one of its rails while switching the FSBs. The finish on the upper receiver leaves a bit to be desired as well, with a couple of spots that are lighter than the rest ... apparently inconsistent anodizing. The lower looks and works great, but the upper ... :(

Anyway, I know there's a representative of Dlask on this forum. If you're reading this, you should know I'm starting to wish I paid attention to the negative half of reviews I read of your products, rather than the positive half. I would like to end my participation in this thread totally satisfied, with good things to say about your customer service ...

DM, you have fairly simple AR that should run fine, my humble advice is to get rid of that FF rail, it has no way or properly indexing, get a standard set of M4 handguards, have the FSB fixed or barrel replaced and shoot the crap out if. As for non pinned FSB, this debate should really be put to rest, they do not work in the long run. I have had Armalite come loose, GG&G come loose, PRI come loose, just ask Wrenchgod about his single shot SPR (a real one) at the BCRA two years back, we just replaced a customers with a stock Colt FSB as his GG&G unit kept coming loose, we see it every day. But hey, what do I know, and as for Kevin, he only uses his gun for a living.:rolleyes:
 
I think were talking apples & oranges here, the Armalite clamp on gas block and PRI gas block/FSB use more of a clamping mechanical force on the barrel,never seen a GG&G gas block. The YHM gas block like I got is sandwiching the barrel between two halves, loctite on the threads and on the cap barrel mating surfaces its not going anywhere.

Now if your saying the removeable FSB it self gets loose, then yeah it does loosen up a bit once in awhile as does the removeable carry handle/rear sight.
 
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OZZ - I am aware of how the YHM affixes.
The issue is gas port pressure and the gas itself.
Any item of dissimilar metal will expand and contract at different rates - and of you use similar metals they may fuze at a high enough heat.

I can only echo to Sparrows comments -additonally we had a PRI come lose at the US Int Sniper Champs a few years ago that cause a spotter rifle to go single shot. I have tried several types INC the YHM and decided they cannot hold up based upon my observations.

I have a few gun with non fixed (factory) front sights - one being a KAC factory pinned flip - and two Larue (pinned) low profile blocks.
I REQUIRE my gun to be reliable enough to bet my life on - somethign I can't do on a no taper pinned block.
Since it does not hurt the civilian user - I cant see why they woudl not insist on a pinned block.

Cheers
 
This is why when you get reallyt into guns you do the work yourself.
I nthe end you will have a better gun then paying someon to do it.
And you will know more about the gun.
The issues you have with your dlask gun are a simple case of joe blow gunshop staff puting you gun togeather.
These issues are ar15 101 things to look for.
send it back and ask for the job to be done right as well as your shipping costs.
Then go to hunters and get one of the Guntz there to build you a nice go faster ar15.
bbb
 
In the interest of full disclosure, and because my intent is not to slag Dlask for flaws that do not actually exist, I believe I have come to a conclusion as to exactly what the problem is. In an email I received this morning, Dean from Dlask provided me assurances that they do use a method of aligning the sites very carefully when building these rifles. I took a straight edge, and used it to check some of the alignment on the rifle. I had thought that the handguard was canted to the left, and the site canted even further, but I now believe that the rail running along the top of the handguard is crooked. Not tilted to one side, but bolted onto the handguard on an angle running from the left of the receiver towards the right of the FSB. When you look at the rifle from the top, it creates a very noticeable optical illusion of the front site being crooked.

Although this is a flaw I'm still not happy about in a $2000 gun, I'd much rather find that it is a flaw in a relatively easily replaceable accessory, rather than in a major component of the firearm. Dean has offered with no objection to replace the handguard because of the damage to the rail that occured during replacement of the front site. I am debating now whether I should have the handguard replaced with another one of the same, or simply request conventional plastic M4 handguards and a refund of the price difference.
 
Get a conventional handguard and use the money on ammo. You can decide on a rail later base on how you want to use your gun, there are plenty of aftermarket railed to pick from.
 
badboybeeson said:
This is why when you get reallyt into guns you do the work yourself.

Even before I bought this one, I fully expected to have more than one AR, and to build subsequent ones myself. I just wanted this one as a base to learn off of ... something to take apart and put back together before I buy a bunch of parts and try to figure out how they go together. I suppose it has proven to be an interesting lesson so far about what to do, what not to do, and what to look out for. Although I think I am comfortable enough with Dlask's machining to trust them to provide me with fine short barrels, the one unique item I'm most likely to buy from them in future, I know I could do a more satisfactory job of assembly. I would happily spend 20 hours assembling my perfect gun to my high precision standards ... I can't expect the same out of any manufacturer.

If you want it done right, do it yourself, eh?
 
KevinB said:
OZZ - I am aware of how the YHM affixes.
The issue is gas port pressure and the gas itself.
Any item of dissimilar metal will expand and contract at different rates - and of you use similar metals they may fuze at a high enough heat.

I can only echo to Sparrows comments -additonally we had a PRI come lose at the US Int Sniper Champs a few years ago that cause a spotter rifle to go single shot. I have tried several types INC the YHM and decided they cannot hold up based upon my observations.

I have a few gun with non fixed (factory) front sights - one being a KAC factory pinned flip - and two Larue (pinned) low profile blocks.
I REQUIRE my gun to be reliable enough to bet my life on - somethign I can't do on a no taper pinned block.
Since it does not hurt the civilian user - I cant see why they woudl not insist on a pinned block.

Cheers

I appreciate you guys comments and experience, but in my case that barrel is a match barrel without the grooves for pins so I had to go with a clamp on and the YHM I got looked the beefiest.

If pigs fly someday and we get full auto and reg mag capacity it might be a issue for me :)
If it was a problem I would drill/tap the gas block on the bottom and dimple the barrel and use two set screws like the Larue low profile one.
 
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