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Reviews by Robert
Front alignment slots too big
Written on Mar 13, 2025
Review for
B5 Systems Handguard - M-Lok
My first review of this item was before I tried to install it. The front slots that align with the handguard cap are way too big. Nearly twice the width of a standard handguard. The casting/milling on the slots is horrendous. The rest of the handguard is fine, but somebody dropped the ball on the slots. The slots are what keeps the handguard from rotating. With too wide of a slot, guess what? The handguard rotates.
0 of 2 found the following review helpful.
Perfect replacement for CAR handguard
Written on Jan 14, 2025
Review for
B5 Systems Handguard - M-Lok
I love this handguard and will probably be buying more. Slim design, M-Lok all the way around, hand stop and light weight. What more could you ask for? The weight is actually a little lighter than standard CAR handguards. Fit and finish are perfect.
Great charging handle
Written on Jan 14, 2025
If you're looking for a standard charging handle, buy this one. Machining and finish are perfect. How they can sell it for this price, when similar items cost more the twice as much, is beyond me. Add the fact that it's 7075-T6 and you've got a great deal. All the Presma products I've purchased have been inexpensive and outstanding quality.
Screw spacing not standard
Written on Jan 14, 2025
Review for
Luth-AR Gas Block
Two stars instead of one because the machining looks great and it's very light weight. The set screw spacing doesn't fit any standard dimpling jig. Most jigs go down to .400 spacing. The spacing on this is .350. There's more than enough room on the block to extend the spacing to .450 which would have centered the screws on the block. Why they chose .350 spacing is beyond my understanding. The spacing isn't "standard" and it makes for a less secure mounting. The most important information a supplier can provide, with the exception of barrel size, is the screw spacing. Why most companies neglect to include this is beyond me.
1 of 1 found the following review helpful.
Undersized
Written on Feb 09, 2024
These pins are suppose to be Mil. Spec.. They are not. Most people prefer a slightly larger pin to remove some of the slop associated with Mil. Spec. pins. These pins are .1535 not .1540. Not a lot, but enough to make an already loose fit even worse. Wilson! If you want to make an error in sizing, err for a slightly larger size, never smaller. Example: A .156 pin will fit any standard receiver/trigger combination without modifications. This is a shame, because other than undersized, they are well machined. Some of the best I've seen.
0 of 1 found the following review helpful.
Unusable in low power settings
Written on Sep 17, 2021
I rate the scope one star and myself zero stars for getting a FFP scope. The only way you can see the reticle is to set the scope to a high power setting. When on the low power settings, the reticle is almost invisible, even in bright light. Yes, I know this is how FFP scopes work. I discovered the hard way that you can't mix a FFP with a LPVO scope. This scope would be perfect had it been a SFP scope. The purpose of a LPVO is quick target acquisition in low power settings and having the option of zooming in. FFP would be good for a high power hunting/sniper scope, not for a LPVO scope designed for the AR15 platform. Don't know if the scope will stand up at the range. I have no intention of mounting this on any firearm. It's going in the trash.
4 of 18 found the following review helpful.
My favorite BUS
Written on Aug 25, 2021
I have used several different backup sights, and so far this is my favorite. Works well as a primary iron sight on AR's with flat top and FSB's. Very easy to change apertures and each aperture is perfectly sized. Much better than certain polymer sights that cost twice as much. As a side note, the area where the locking ball travels needs a little polishing. I spent five minutes smoothing that area with sandpaper and a small diamond file. It worked well before, but now it works perfectly. A little graphite (pencil lead) also helped. Don't let the small improvement I did discourage anyone from buying this sight. It a good sight straight out of the box.
1 of 1 found the following review helpful.
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