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NcStar AR15 Flip Up Front Sight (MARFLF)

4.0 out of 5 stars 43 customer reviews

Price: $13.78 & FREE Shipping on orders over $49. Details
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Sold by NH Gateway Merchandising, LLC and Fulfilled by Amazon. Gift-wrap available.
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  • Precision made flip-up A2 front sight. The MARFLF will fit virtually all AR-15 Picatinny rail gas blocks
  • Manufactured from steel and aluminum, the MARFLF will not melt on your gas block under sustained shooting, unlike other manufacturers plastic back-up front sights
  • A2 front sight is fully adjustable for elevation
  • Front sight post fold down out of view of your optics when not in use
  • Large steel thumb nut and precise rail clamp for positive & secure attachment to your upper receiver
31 new from $10.00

$13.78 & FREE Shipping on orders over $49. Details In Stock. Sold by NH Gateway Merchandising, LLC and Fulfilled by Amazon. Gift-wrap available.

Frequently Bought Together

  • NcStar AR15 Flip Up Front Sight (MARFLF)
  • +
  • NcStar AR15 Flip Up Rear Sight (MARFLR)
  • +
  • SNIPER® Mil Spec Standard Front Sight with A2 Sight Post
Total price: $47.37
Buy the selected items together

Product Description

For a durable and compact flip-up front A2 iron sight the NcSTAR MARFLF is the AR-15 back-up front iron sight that should equip your AR-15 rifle.

Product Details

  • Product Dimensions: 2.1 x 2 x 2.2 inches ; 4.8 ounces
  • Shipping Weight: 2.4 ounces (View shipping rates and policies)
  • Domestic Shipping: Item can be shipped within U.S.
  • International Shipping: This item is not eligible for international shipping. Learn More
  • ASIN: B0030HQ194
  • Item model number: MARFLF
  • Average Customer Review: 4.0 out of 5 stars  See all reviews (43 customer reviews)
  • Amazon Best Sellers Rank: #103,536 in Sports & Outdoors (See Top 100 in Sports & Outdoors)
  • Discontinued by manufacturer: Yes

Customer Questions & Answers

Customer Reviews

Top Customer Reviews

Verified Purchase
The product is fine. I was even impressed with it's quality for the money. It does, however, require a low profile gas block on your rifle. Mine has a standard profile (rails are in the same plane, from upper receiver to gas block) so this mated with the rear flip up sight will not work.
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Verified Purchase
Locks into place in both positions well. The folding and locking mechanism is very simple, so I don't expect there will be any issues with it. The all metal design is very nice since it was sitting on my gas block. It's definitely good enough as a temporary fix until I get a custom rail, but paired with a Magpul backup rear sight, I was taking the caps off 1L coke bottles at 40 yards easily enough. The fit and finish is what you'd expect form an inexpensive sight; not great, but not trash. The large thumb stud came in handy, as I had some issues with it loosening itself until I really cranked down on it. I would definitely recommend bringing a screw driver with to make sure it's nice and tight.
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Verified Purchase
Not the best looking sight, but it is all steel and aluminum so you can't beat the price. The only issue I had with it was there was grit, probably from a bead blaster, in the front post assembly. I removed the post and cleaned it out so all is well with it now. Sight is well made, sturdy, and locks into position well. This sight is just as good as sights costing 2 to 3 times more. I recommend as you can buy a lot of ammo with the money you save.
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Verified Purchase
This pop-up sight, for the price, is fantastic. It locks down out of the way, and is very simple and easy to pull up to engage your sight picture. Once up, it locks snugly into place.

This is a gas-block height front sight, so it's taller than rail-height sights. Something to bear in mind.
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Verified Purchase
If you have all your rails on the same level this sight will not match with the MARFLR rear site. The MARFLF/2 is one you will need. The item description needs to explain the differences between the MARFLF and MARFLF/2
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Verified Purchase
I refuse to pay $150 or more for sights. I dug around and found these. I bolted them on my AR and took it out that weekend. No lie, I was pinging the steel with each shot at 100 yards. You don't need GG&G or Yankee Hill or any of the other wallet-drainers.
These are also the sights that are for uneven-plane flat top receivers. Meaning, my railed gas block sits a bit lower than my upper, so these worked perfect. Thanks for a great product for a small price.
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Verified Purchase
Not a tier one front sight. Durable and fits gas block nicely. Folds down and back up with some minimal effort. Not spring loaded so no rapid deployment. Typical Chineese part, built like an anvil and crudely finished. All metal so no melting issues while on the gas block. Front sight post adjustable for elevation. These were back ups for an optic. No reason to spend two hundred dollars on a superior American made set for this application. These are satisfactory for my use on this rifle.
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Verified Purchase
the price was right the product built tough and it looks and sites great. My only complaint is it not being spring loaded to just pop up at the push of a button but other than that no worries and I got a great deal. buy one.
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