Est. 2014 | USA Small Business

Unity Tactical FAST Offset Optic Base | Weapon Accessory
FREE Delivery & Lifetime Warranty
☑️ Ships for FREE from Texas*
Ships today or next day on most orders that are "In Stock". Some orders that are custom or large may take extra time to prepare.
- Free shipping is 3-10 days and requires a purchase of $70 or more, or choose a faster method at checkout. Be sure to account for the 0-2 days it will take us to pack and ship an order, in addition to the shipping speed you choose.
- All orders ship as soon as possible. We don't like waiting and you probably don't either.
- If there are delays: (Only if delays are in green, above, do we expect them), just know that we are on your side. If you're waiting, we're waiting for you, plus hundreds and sometimes thousands of others to finish being made.
- Shipping times are estimations. Items that are custom, delayed, rejected, or affected by other acts of god will take additional time.
☑️ Why shop with Atomic Defense?
- Highly-rated 4.8/5 star service with 1200+ reviews, and counting!
- Secure transaction guaranteed. AES-256 Military Encryption.
- USA Family-Owned Small Business.
- BBB A+ Rated and Accredited.
- Open Monday to Friday. 9:00 AM to 4:00 PM Pacific.
- Lifetime Warranty.
- Free Shipping on orders over $70 inside the USA.
- Easy Returns and Exchanges.
- Our support doesn't end after the sale. We're here whenever you need us.
Need 10+ of these? Request a quote here:
Fill out the form for 10+ units by clicking here. (Total order must be $5,000 USD or more in value.)
CAGE: 9FAL3
UEI: QQ1EKLBAT886
Address: 2491 Alluvial Ave. Clovis, CA 93611
Need to submit a PO for your department? Fill this out and leave a note at the end.
Return & Exchange policy:
- Summary: Don't take those sweet Instagram pics and then try to return a used item. Must be within 30 days of delivery.
- Exchanges: Realized you need a different item? That's ok! Exchanges and returns are incredibly easy.
- We are a Small Business: We do the most we can to help with return costs, but we are not Amazon and cannot take hits or losses like Amazon.
- Wrong Items: Mistakes rarely happen. Atomic Defense takes pictures of orders before they are packaged and shipped. We pay for return, recertification, and exchange shipping costs if we ever make a mistake on your orders.
- Rules for Returns: We will deduct refurbishing costs, plus materials and labor, of used products or modified products - or decline the return. This includes, but is not limited to; products with residue, smells, scratches, missing parts, debris, dents and damage. **We reserve the right to refuse returns. Refused returns shipping cost back to the buyer are not covered by Atomic Defense.
- Packaging: Ensure returns are packaged safely with thick padding on all six sides. Failure to correctly package returns may damage products and cost will be deducted from Buyer's account or return refused.
- Bulletproof products: No one else accepts returns on ballistic items. We do.** However, recertification X-Ray costs on returned ballistic items is 20%.
- Starting a return/exchange: Click here
Become a product tester:
- Save money, live... wait, that's Walmart... Earn money for reviewing products on your social medias.
- Apply by clicking here.
Unity Tactical FAST Offset Optic Base – Lightweight, Durable, and Modular for Enhanced Compatibility
- The FAST™ Offset Optic Base is a modular accessory designed to attach secondary or back-up optics, such as micro red dot sights, to compatible FAST™ mounts.
- It works in conjunction with a required FAST™ Optic Adapter Plate, creating a reliable platform for mounting diverse optic solutions.
- The 36-degree offset placement ensures quick and ergonomic access to your secondary sight without breaking your shooting posture.
- Built from 7075-T6 Aluminum and coated with Type III Hardcoat Anodized finish, it's highly durable and available in Black or FDE* finishes.
- The setup provides a 2.05” mechanical centerline height for micro red dot sights when paired with an Optic Adapter Plate, ensuring precise alignment and compatibility.
- Lightweight construction, weighing less than 1 oz (<29 g), ensures minimal impact on your overall rifle setup.
- It's compatible with all FAST™ mounts for red dots and magnified optics, providing versatility across setups.
- The FAST™ Offset Optic Base is always positioned on the right side of the FAST™ mount (when the mount is forward-facing) for universal mounting consistency.
- Note: Not compatible with FAST™ FTC magnifier mounts.
What are some common accessories to add to the Unity Tactical FAST Offset Optic Base?
- FAST™ Optic Adapter Plates: These plates are a required component to attach micro red dot sights to the FAST™ Offset Optic Base. They provide the interface for various compatible red dots.
- Micro Red Dot Sights: Popular options include Aimpoint, Trijicon, and Holosun models, which are commonly paired with the Offset Optic Base for precise aiming capabilities.
- Backup Iron Sights (BUIS): Often used alongside the Offset Optic Base for redundancy, ensuring reliable targeting in case of optic failure.
- Protective Lens Covers: These can be added to micro red dots to guard against dust, scratches, and other environmental damage.
- Anti-Reflection Devices (ARDs): Accessories like honeycomb-style ARDs reduce glare and minimize visual signature during use.
- Quick-Detach (QD) Mounts: These mounts allow for rapid removal or replacement of accessories on the weapon system for flexibility in different scenarios.
Unity Tactical FAST Offset Optic Base Features and Specs
The Unity Tactical FAST™ Offset Optic Base is a compact and lightweight accessory designed for mounting micro red dot sights at a 36-degree offset from the centerline of compatible FAST™ optic mounts. Built for durability and functionality, it is crafted from top-quality materials with a rugged protective finish. This base is only compatible with FAST™ mounts for red dots and magnified optics, along with the FAST™ Optic Adapter Plates, and offers precision alignment for enhanced shooting performance.
Key Features and Specifications:
- Compatibility: Pairs with all FAST™ Optic Adapter Plates and FAST™ mounts for red dots and magnified optics (not compatible with FAST™ FTC magnifier mounts).
- Offset Placement: Positions micro red dot sights at a 36-degree offset with a mechanical centerline 2.05 inches above the rail when used with an adapter plate.
- Material: Manufactured from lightweight 7075-T6 Aluminum.
- Coating: Finished in Type III Hardcoat Anodized for extra durability; available in Black or FDE*.
- Mount Type: Securely bolts to compatible FAST™ mounts.
- Weight: Less than 1.0 oz (29.0 g).
- Placement: Sits on the right side of the FAST™ mount when facing forward on the M1913 rail.
- This product is a reliable solution for shooters needing a durable and precise base for secondary optics.
What's in the box of the Unity Tactical FAST Offset Optic Base?
- (1) FAST™ Offset Optic Base
- (2) Mounting Bolts
- (1) Installation Tool
Unity Tactical FAST Offset Optic Base FAQs
What is the purpose of the Unity Tactical FAST™ Offset Optic Base?
The FAST™ Offset Optic Base allows users to mount secondary micro red dot sights at a 36-degree offset from the primary optic, providing quick access to back-up optics without disrupting the primary sight picture.
Do I need additional accessories to use the FAST™ Offset Optic Base?
Yes, the FAST™ Offset Optic Base requires a FAST™ Optic Adapter Plate to function properly. This combination creates the platform necessary for mounting micro red dot sights.
What optics are compatible with the Unity Tactical FAST Offset Optic Base?
The FAST™ Offset Optic Base works with all FAST™ mounts designed for red dots and magnified optics. However, it is not compatible with FAST™ FTC magnifier mounts.
What materials and finishes are used for the Unity FAST™ Offset Optic Base?
The FAST™ Offset Optic Base is built from 7075-T6 Aluminum and features a durable Type III Hardcoat Anodized coating in Black or FDE*.
Which side of the rifle does the UNITY Tactical - FAST™ Offset Optic Base mount to?
When installed on a FAST™ mount facing forward on an M1913 rail, the FAST™ Offset Optic Base always positions on the right side of the rifle.
What is the total height of the mounted micro red dot using the Offset Optic Base?
When paired with a FAST™ Optic Adapter Plate, the micro red dot achieves a mechanical centerline of 2.05 inches above the rail.
How much does the FAST Offset Optic Base weigh?
The FAST™ Offset Optic Base weighs less than 1.0 oz (< 29.0 g), making it lightweight and efficient.
What does "FDE*" mean for the coating finish?
"FDE" refers to a spectrum of earth-tone colors like tan, brown, bronze, and others. Due to the chemical process involved in Type III Hardcoat Anodizing, the final finish may vary slightly between parts.