In recent months we’ve seen something of a resurgence of the 5.7x28mm round with a host of new platforms chambering it. Another manufacturer offering an affordable 5.7 platform is Excel Arms, out of Ontario, California, with their X-5.7 pistol and rifle.

The X-5.7 rifle and pistol feed from FN Five-Seven pistol magazines and use a standard blowback action. They have billet aluminium receivers and full-length Picatinny top rails and the rifles come with an M4-style adjustable stock.

Here’s what Excel Arms have to say about the X-Series of firearms:

The Centerfire X-Series line of firearms are CNC Machined from billet aluminum and feature tactical AR styling. In the unique design of both the pistol and the rifles we incorporated a picatinny rail on both top and bottom of the shroud for mounting various optics, accessories or forgrips. The Collapsible adjustable 6-position stock on the rifle offers a comfortable fit. The pistols come with a taped rear allowing the addition of tube style brace to be installed. The 5.7 X-Series models both utilize the very popular FN Five-seven pistol magazine. A rifle featureless package is available for restricted states.

X-5.7P

Model: X-5.7P (Excel Arms)Model: X-5.7P Specs:

Ammunition: 5.7x28mm

Frame: CNC Machined Aluminum

Magazine Capacity: 10 or 20 rds

Overall Length: 16″

Overall Height: 6.25″

Weight: 4.5 Pounds

Barrel Length: 8.5″

Operation: Blow-Back Semi-Automatic

Model: X-5.7P (Excel Arms)

Model: X-5.7P (Excel Arms)

X-5.7R

Model: X-5.7R (Excel Arms)

Model: X-5.7R Specs:

Ammunition: 5.7x28mm

Frame: CNC Machined Aluminum

Magazine Capacity: 10 or 20 rds

Overall Length: 34″ – 38″

Overall Height: 6.25″

Weight: 6.25 Pounds

Barrel Length: 18″

Operation: Blow-Back Semi-Automatic

Excel Arms also have California compliant featureless versions of their X5.7 and X-9 rifles, available with 10 round magazines. The X-9, a 9x19mm version of the rifle/pistol that feeds from Glock mags is also available.

The X-5.7R rifle has an MSRP of $837.00 while the X-5.7P pistol comes in at $753. You can find out more about the X-5.7 over on Excel Arms’ website here.