It's hard to imagine that Armalite could possibly make its Special Purpose Rifle (SPR) any more versatile, but that's what they've done with the M-15 SPR Mod 1.
The SPR Mod 1 is a forged one piece upper receiver/rail system with interchangeable sides and bottoms. Actually, the bottom and two side rails are completely detachable. You can leave them off, or use one of four other types of rails that come with the system.
The 1913 rail is designed with a quick detachable swing swivel hole. There is a low insert for those times you want to keep a low profile, and a plain insert. Or try the half smooth, half picatinny rails.
The important thing to realize about this rail system is how sleek it is – when you pick it up the integral rail is not bulky at all. You can grip it and get full control.
The M-15 SPR Mod 1 is one-piece construction, giving you what Armalite calls a “continuous optics platform.” That one-piece design also gives the whole gun a good deal of added rigidity, which is like icing on the cake.
We shot video of this gun in action during Media Day at the Range, so stay tuned for that review coming soon.
For more information on Armalite or the SPR Mod 1, click here.
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