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6 Best Red Dot for Barretta 1301 Comp in 2026: Mounting & Compatibility

From budget-friendly to high-end: Finding the perfect red dot for your specific shooting needs in 2026.
Best Red Dot for Barretta 1301 Comp is a title that generates a lot of debate because the Beretta 1301 Comp sits in a unique position between competition shotgun, defensive shotgun, and practical all-around semi-auto. Unlike many tactical shotguns, the 1301 Comp benefits tremendously from a quality optic thanks to its fast-cycling action, excellent balance, and ability to engage targets from point-blank distance out to slug-capable ranges.
After spending considerable time evaluating optics on shotguns, I've found that the ideal red dot for the 1301 Comp needs more than a large window. It must survive heavy recoil impulses, maintain zero under rapid-fire strings, offer fast target acquisition, and mount cleanly without creating excessive height-over-bore issues. The optics below represent the best combinations of durability, window size, mounting flexibility, and overall value for Beretta's flagship competition shotgun.

Top Product List: Best Red Dot for Barretta 1301 Comp

Holosun HE507COMP – Best overall competition optic
Trijicon SRO – Best window size for speed shooting
Aimpoint ACRO P-2 – Best enclosed-duty optic
Holosun 509T – Best enclosed optic for value
Leupold DeltaPoint Pro – Best balance of size and durability
Aimpoint Micro T-2 – Best tube-style red dot for harsh environments

Holosun HE507COMP

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The HE507COMP has quickly become one of my favorite shotgun optics because it combines an exceptionally large viewing window with competition-oriented reticle options. On the 1301 Comp, it feels purpose-built for rapid transitions and close-range target arrays.
Specifications
Open emitter design
Multiple reticle system
Large competition window
7075 aluminum housing
RMR footprint
Side battery tray
Up to 50,000-hour runtime
Pros
Massive viewing area
Easy battery replacement
Crisp reticle options
Excellent value
Cons
Open emitter design
Larger than typical pistol dots
My Hands-On Notes
The large window significantly reduces perceived tunnel effect during shotgun stages. Parallax shift remains minimal inside realistic engagement distances. The lens tint is slightly noticeable but not distracting. Buttons provide positive tactile feedback even with gloves. Recoil handling on heavy buckshot loads was excellent with no observed zero movement.
The deck height remains manageable when mounted on low-profile Beretta-compatible plates, allowing practical co-witness with backup sights if configured appropriately.
What People Say Online
Most shooters praise the oversized viewing window and competition-focused reticle choices. Competitive 3-Gun users frequently mention improved target transitions and faster target acquisition.
Mounting Clarity
Uses the RMR footprint. The 1301 Comp requires a compatible mounting plate or optic-ready receiver setup depending on configuration.

Trijicon SRO

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The SRO remains one of the fastest optics available for practical shooting disciplines. Its enormous circular window makes tracking moving targets and transitioning between arrays incredibly easy.
Specifications
Open emitter
Large circular viewing window
Top-loading battery
RMR footprint
Multiple dot sizes
Forged aluminum housing
Pros
Huge field of view
Excellent glass clarity
Top battery access
Extremely fast presentation
Cons
Less protective housing
Open emitter exposure
My Hands-On Notes
Glass quality is outstanding with minimal distortion near the edges. The lens tint is very light compared to many competitors. Button operation remains positive even with shooting gloves. During slug testing, I found the generous window especially helpful for maintaining target awareness.
Parallax performance is excellent. The optic's low deck height helps maintain a comfortable sight picture on the Beretta platform while minimizing excessive chin lift.
What People Say Online
Competition shooters consistently rank the SRO among the fastest red dots available. Many report noticeable improvements in split times and target transitions.
Mounting Clarity
Uses the RMR footprint and mounts easily with quality Beretta-compatible plates.

Aimpoint ACRO P-2

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For shooters prioritizing durability and environmental protection, the ACRO P-2 is exceptionally hard to beat. The enclosed emitter design keeps mud, rain, and debris from blocking the emitter.
Specifications
Enclosed emitter
3.5 MOA dot
Fully sealed housing
Long battery life
Night vision settings
ACRO footprint
Pros
Outstanding durability
Fully enclosed design
Excellent battery life
Weather resistant
Cons
Smaller window
Higher price
My Hands-On Notes
The ACRO P-2 excels when conditions become ugly. Rain, dust, and debris have virtually no effect on operation. The battery compartment design is robust and easy to service. Button tactility is among the best in the enclosed-emitter category.
Parallax performance is predictable and repeatable. Although the window is smaller than the SRO or 507COMP, the enclosed housing inspires confidence under hard recoil and rough handling.
What People Say Online
Users frequently cite reliability as the primary reason for choosing the ACRO. Many law enforcement and defensive shooters consider it the benchmark enclosed pistol optic.
Mounting Clarity
Requires an ACRO-compatible mounting solution. Several aftermarket shotgun plates support this footprint.
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