Product Description
A-Tec Optima 45 Front Sound Moderator
The A-Tec Optima 45 Front Sound Moderator is engineered for hunters and precision rifle shooters who demand excellent sound suppression, lightweight handling, and exceptional durability. Featuring A-Tec’s innovative modular construction, the Optima 45 allows shooters to adapt the moderator to different calibres by changing the front modules while retaining the rear section, making it a versatile investment for multiple rifles.
Built with a hardened aluminium alloy outer body and a robust stainless steel core, the Optima 45 is designed to withstand high temperatures and heavy use without compromising performance. Its compact over-barrel design helps maintain rifle balance while reducing overall noise and recoil.
One of the standout features is the A-LOCK Mini quick-attach system, enabling the moderator to be fitted or removed with a simple 60-degree twist in under a second. This secure mounting system offers fast installation while ensuring consistent alignment when correctly tightened before use.
Delivering an impressive 29 dB(C) sound reduction, the Optima 45 provides effective noise suppression while maintaining accuracy and reliability in the field.
Key Features
- Premium modular sound moderator
- Quick-fit A-LOCK Mini attachment system
- Attaches or removes with a 60-degree twist
- Hybrid aluminium and stainless steel construction
- Durable stainless steel core for extended service life
- Lightweight design at just 335g
- Compact over-barrel configuration for improved balance
- Excellent 29 dB(C) sound suppression
- Suitable for hunting, target shooting and precision rifles
- Available in multiple calibres and thread options
Specifications
| Specification | Details |
|---|---|
| Overall Sound Reduction | 29 dB(C) |
| Weight | 335g |
| Diameter | 44.4mm |
| Over Barrel Length | 80mm |
| Added Length | 150mm |
| Total Length | 230mm |
| Maximum Barrel Diameter | 23.7mm |
| Construction | Hardened aluminium alloy with stainless steel core |
| Mounting System | A-LOCK Mini or threaded options |
| Design | Modular |
Available Calibres
- Upto .375
Available Thread Options
- A-LOCK Mini
- 1/2″-20 UNF
- 1/2″-28 UNEF
- 11/16 UNEF
- 5/8 UNEF
- 5/8 UNF
- 9/16 UNEF
- 9/16 UNEF Spigot
- 9/16 UNEF Spigot Short
- 9/16 UNF
- M13x1
- M14x1
- M14x1 Spigot
- M14x1.5
- M15x1
- M15x1 Spigot
- M16x1
- M16x1.5
- M17x1
- M17x1 Spigot
- M18x1
Why Choose the A-Tec Optima 45?
The Optima 45 combines fast attachment, modular flexibility and proven sound suppression in a lightweight package. Its durable hybrid construction makes it well suited to regular field use, while the ability to swap front modules allows shooters to use the same moderator across compatible calibres. Whether you’re controlling recoil, reducing muzzle blast or protecting your hearing, the A-Tec Optima 45 delivers dependable performance without adding unnecessary weight to your rifle.

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