Description
The Excel Accelerator MR-5.7 is a purpose-built, semi-automatic rifle chambered in the high-velocity 5.7x28mm cartridge. It features an 18-inch fluted bull barrel for accuracy and heat dissipation, a right-hand action, a black finish, and ships with a single 9-round magazine. This platform is designed for shooters who need a lightweight, low-recoil rifle for varmint control, tactical training, or as a unique addition to their collection.
Key Features
- 5.7x28mm Chambering: Delivers flat trajectory, low recoil, and high velocity from a lightweight platform.
- 18″ Fluted Bull Barrel: Provides a rigid sighting plane for accuracy while reducing overall weight and improving cooling.
- Right-Hand Configuration: Standard ergonomics for most shooters, offering intuitive controls.
- Black Finish: Durable, non-reflective coating suitable for field and range use.
- 9-Round Magazine: Ships with one factory magazine; the design is often compatible with FN PS90 magazines for easier sourcing.
Specifications & Details
| Caliber | 5.7x28mm |
| Barrel | 18″ Bull, Fluted |
| Action | Semi-Automatic, Right-Hand |
| Finish | Black |
| Magazine Capacity | 9 Rounds (1 included) |
| Overall Length (Approx.) | ~38 inches |
Weighing in at an estimated 6.5 pounds unloaded, the MR-5.7 handles more like a large format carbine than a traditional rifle. The 5.7x28mm round itself is a key spec—it fires a small, lightweight projectile at speeds often exceeding 2,000 feet per second from a rifle barrel. This results in very manageable recoil, allowing for rapid follow-up shots. The platform is typically mil-spec compatible for common accessories like triggers and pistol grips, giving you options for customization without specialized gunsmithing.
Who This Rifle Is For
This isn’t a general-purpose deer rifle. The Excel Accelerator MR-5.7 finds its niche with specific users. It’s for the landowner dealing with coyotes or prairie dogs at medium range, where the flat-shooting, fragmenting round is effective. It’s for the tactical shooter who wants to train with a low-cost-per-round centerfire that mimics the handling of a more powerful rifle but with less fatigue. It’s also for the enthusiast intrigued by the unique 5.7x28mm cartridge who wants a dedicated rifle platform, not just a pistol. When it comes to home defense, its light weight and low penetration risk compared to rifle cartridges are points in its favor, though its length can be a consideration in tight spaces.
Pros & Cons
Pros: The high-velocity 5.7x28mm round offers minimal recoil and a very flat trajectory out to 200 yards. The fluted bull barrel adds stiffness for consistency and sheds weight. Ammunition, while niche, is more available than ever. The rifle’s overall lightweight design makes it easy to carry on extended outings. At $694.65, it presents a cost-effective entry into the 5.7x28mm rifle market.
Cons: The 5.7x28mm is still a specialty cartridge—it’s not as cheap or ubiquitous as .223 Remington. Magazine capacity is limited with the included 9-rounder, though aftermarket options may exist. The 18-inch barrel, while great for velocity, makes the rifle less maneuverable indoors than a pistol-caliber carbine. Some might find the aesthetics of the bull barrel utilitarian.
Frequently Asked Questions
Q: Is the Excel Accelerator MR-5.7 compatible with magazines from other 5.7x28mm firearms?
A: Often, yes. Many of these platforms share magazine designs with the FN PS90. It’s always best to verify specific compatibility, but sourcing extra or higher-capacity magazines is typically straightforward.
Q: What is the effective range of this rifle for varmint hunting?
A: The 5.7x28mm is highly effective on small to medium varmints (e.g., groundhogs, coyotes) out to about 200 yards, thanks to its high speed and flat trajectory. Beyond that, wind drift and energy drop become significant factors.
Q: What type of optics work best on this platform?
A: A low-power variable optic (LPVO) in the 1-6x range or a prism sight with a BDC reticle calibrated for the 5.7x28mm’s trajectory are excellent choices. The flat shooting nature of the round also pairs well with red dot sights for faster, closer work.
Ready to experience the unique performance of a 5.7x28mm rifle? The Excel Accelerator MR-5.7 is available at firearms-missouri.com for Missouri residents and nationwide. FFL transfer required for firearm purchases.
Reviews
There are no reviews yet.