FSI

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When purchasing a product, price is the consumer's primary concern. At present, FSI has 104 products for sale. FSI products range in price from $7.99 to $179.99, and the average price of all the products is about $29.99.

You can confidently purchase FSI products from the seller WESTERN TACTICAL SUPPLY INC. The brand holds an average rating of 4.3, testifying to its excellent reputation.

FSI Best Sellers

Last Updated: Jan 12, 2025

FSI 1/2x28 Thread Protector with Crush Washer for 22LR (Black)

Gunsmithing Tool Kits

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Thread Protector 1/2X28. Product size(L,W): 0.39 inch x 0.59 inch

Material: 6061-T6 Color Anodized Aluminum.

Package includes: 1x Thread Protector, 1x Crush Washer

Prevent damage to barrel threads with the thread protector.

FSI 44 Mag Bore Sight Red Laser .44 Magnum Boresighters with 2 Sets Batteries

Hunting Boresighters

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Sighting Range: 15-100 yards.

Max. Output Power: ＜5mW; Wavelength: 625-650nm; Laser class: IIIa

Easy to sit perfectly in the bore; Sturdy aluminum construction.

Package includes: 2 sets (6 total) of batteries, 1x boresighter

FSI Barrel Mount with Picatinny Rail for Laser Flashlight (1PCS)

Airsoft Gun Scope Mounts

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Fit rifle barrel from 0.66 inch to 1 inch.

Allow for the mounting of Picatinny or Weaver standard flashlights, red dots, laser sights.

Lightweight, made of aluminum with black color anodized matte finish.

Top rail is Standard Picatinny Rail.

Package Included: Mount, Hex wrench.

FSI 4-16x50 / 6-24x50 Rifle Scope w/Front AO Adjustment, Red/Blue/Green Illuminated Reticle with Picatinny Scope Rings (4-12x50)

Rifle Scopes

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Parallax adjustment/front AO feature allows for fine-tuning of target image, excellent for long range hunting and shooting.

Red, Green Illuminated reticle.

Quick tactical zero locking/resetting target turrets for windage and elevation adjustment at 1/4 moa per click.

6061 T6 aircraft grade body 1 inch tube.

Package includes: 4-12x50 Rifle Scope, Scope rings (fit Picatinny rail), Flip up len covers, Battery (CR2032).

FSI 1/2" x28 Thread Protector (Stainless Steel) with 1/2-28 Crush Washer (Silver)

Gunsmithing Tool Kits

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Thread Protector 1/2X28. Non-Slip knurled surface for quick and easy installation. No tools needed.

Material: stainless steel.

Package includes: 1x Thread Protector, 1x Crush Washer

Prevent damage to barrel threads with the thread protector.

FSI 300 Blackout Bore Sight 300BLK Laser Boresight with Batteries

Hunting Boresighters

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Sighting Range: 15-100 yards.

Max. Output Power: ＜5mW; Wavelength: 625-650nm; Laser class: IIIa

Easy to sit perfectly in the bore; Sturdy aluminum construction.

Package includes: 2 sets (6 total) of batteries, 1x boresighter

FSI 1/2x28 Thread Protector with Crush Washer for 22LR (Red)

Gunsmithing Tool Kits

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Thread Protector 1/2X28. Product size (L, W): 0.39 inch x 0.59 inch.

Material: 6061-T6 Color Anodized Aluminum.

Package includes: 1x Thread Protector, 1x Crush Washer.

Prevent damage to barrel threads with the thread protector.

FSI 5.7x28 Laser Bore Sight

Hunting Boresighters

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Max. Output Power: ＜5mW; Wavelength: 625-650nm; Laser class: IIIa

Package includes: 2 sets (6 total) of batteries, 1x boresighter

1/2" x28 Thread Protector (Aluminum) with 1/2-28 Crush Washer (Khaki)

Gunsmithing Tool Kits

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Thread Protector 1/2X28. Non-Slip knurled surface for quick and easy installation. No tools needed.

Material: 6061-T6 Color Anodized Aluminum.

Package includes: 1x Thread Protector, 1x Crush Washer

Prevent damage to barrel threads with the thread protector.

FSI BR005 Barrel Mount with 5 Slots Picatinny Rail fit 0.53 to 0.84 inch

Airsoft Gun Scope Mounts

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Designed to mount flashlight, laser, bipod.

5 slots single rail barrel mount is easy and fast to install.

Premium Aircraft Aluminum Alloy + High Strength Steel. Black Matte Hard Coat Anodized Finish.

Package included: 1 x 5-slot Barrel Mount, Screws, Allen Wrench

FSI 450 Bushmaster Laser Bore Sight Red with 2 Sets Batteries

Hunting Boresighters

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Max. Output Power: ＜5mW; Wavelength: 625-650nm; Laser class: IIIa;

ighting Range: 15-100 yards.

Easy to sit perfectly in the bore; Sturdy aluminum construction.

Package include: 1x boresighter, 6x batteries.

FSI 30-06 25-06 270 Laser Bore Sight Red Laser Boresight

Hunting Boresighters

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Sighting Range: 15-100 yards.

Easy to sit perfectly in the bore; Sturdy aluminum construction.

Max. Output Power: ＜5mW; Wavelength: 625-650nm; Laser class: IIIa; Laser range: 5-100m

Package includes: 2 sets (6 total) of batteries, 1x boresighter

Adjust and zero-in your optic or iron sights without ever firing a round!

FSI Thread Protector 5/8x24 0.59 inch Long with Crush Washer (Khaki)

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Thread Protector 5/8x24

Made from 6061-T6 Color Anodized Aluminum, durable and sturdy.

Package includes: 1x Thread Protector, 1x Crush Washer

Product size(L,W): 0.59 inch x 0.75 inch

FSI MK 6-24x50 Hunting Rifle Scope Red, Green and Blue Illuminated Reticle with Scope Rings

Rifle Scopes

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Build on a very durable 30mm aircraft-grade one-piece tube construction. Hunting scope providing crystal clear targeting at 6-24x magnification, with a 50mm objective diameter and an eye relief of 3.7-3.9 Inches.

Capped reset turrets are finger adjustable with 1/4 MOA clicks that can be reset to zero after sighting in.

Reticle illumination in red, green and blue with multiple brightness intensities.

Fully sealed and nitrogen purged. Shockproof, waterproof and fogproof. Crystal clear multi-coated lens for maximum light transmission.

Package Included: MK6-24X50 Scope and Scope rings(Fit Picatinny rail); High Quality Flip Up Lens Caps; CR2032 Battery; Cleaning Cloth and Allen Key

FSI 1-5x30 LPVO Rifle Scope SFP Illuminated Reticle with Mount 30mm Tube (Horseshoe)

Rifle Scopes

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Fully Multi-Coated Lens, Reticle illumination in red, green and blue

30mm scope mount with top picatinny rails

1/2 MOA click value for wind and elevation adjustment

100% Fogproof, waterproof and shockproof

Package includes: ND1-5x30 Scope, Flip up lens caps, Scope mount(Fits Picatinny rail), CR2032 Battery.

FSI 3/8" 11mm to 7/8" 20mm Dovetail to Picatinny Rail Adapter, Low Profile 11mm to 20mm Picatinny Riser Mount (2pcs)

Airsoft Gun Scope Mounts

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Fits onto Dovetail Rail - Fits 9mm up to 15mm.

Fit airgun/shotgun dovetail rails

Picatinny rail allows for the mounting of Picatinny or Weaver standard scopes, red dots.

Height: 0.67" ; Width: 1.02" ; Length: 3.9" ; Weight: 2.4oz.

Made out of 6061-T6 aluminum alloy, high quality material.

FSI Crossbow Laser Arrow Sighter Bore Sight

Hunting Boresighters

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Crossbow laser sighting tool. Fits on to the arrow.

Sighting Range: 15 to 100 yards

Sturdy aluminum construction.

Class IIIA laser, Power:

Package includes: 1 X Crossbow Bore Sight, 6 X AG3 Battery

FSI 45 Degree Offset Rail Mount 4 Slots Picatinny Rail Mount (Brown)

Sporting Optics Mounts

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Easily and securely mounts to Picatinny rail

6061 aircraft grade aluminum

Mounts flashlight or laser at a 45 degree offset.

Lightweight, low-profile design.

Package includes: 1x 45 Degree Picatinny Rail Mount

FSI Thread Protector 5/8x24 0.59 inch Long with Crush Washer (Silver)

Hex Nuts

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Thread Protector 5/8x24

Made from high strength stainless steel, durable and sturdy.

Package includes: 1x Thread Protector, 1x Crush Washer

Product size(L,W): 0.59 inch x 0.75 inch

FSI FAQs

Is FSI Legit?

Yes, FSI is a legitmate brand on Amazon. After conducting a comprehensive analysis of 1,322 customer reviews for FSI products on Amazon, we have determined its average rating. Offering great value and satisfying quality, FSI has achieved a respectable rating of 4.3 from many customers, showing that its products meet customer expectations. While there may have been minor issues reported occasionally, overall, it is safe to make purchases from FSI on Amazon.

Amazon has strict policies and safety measures in place that ensure only legitimate sellers and products are allowed on their platform. It also provides a secure payment gateway and offers buyer protection, ensuring your transaction is safe. In the unlikely event that there's an issue with your purchase, Amazon's customer service and return policies are designed to protect your interests.

How to find more FSI products?

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Go back to FindThisBest's homepage.
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Select the products you want in the FSI buying guide, and take a glance at the prices and features of the products.
View the products interest you on Amazon to read the customer reviews and check the ratings. Besides, you can hit the "brand" to find more FSI products.

How does findthisbest choose the top FSI products?

We analyze millions of FSI products reviews and customer reviews to recommend the best picks for most consumers. We have a professional team with decades of experience to test the products, which can help ensure that we provide our readers with accurate advice and best recommendations.

How can I purchase FSI products via FindThisBest?

Go to the FSI page.
Select the product you want in the FSI buying guide, and then view the product on Amazon. For example, if you are interested in the top 1 product FSI 1/2x28 Thread Protector with Crush Washer for..., you can view it on Amazon page.
Place your order on Amazon.

What is the purpose of your brand guide?

Our mission is to provide you with the most up-to-date and objective information about the FSI products, helping you make more informed buying decisions. We recommend best choices of the products from the FSI brand, helping you make better shopping choices with less time and energy.

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