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Called the LE901-16S, Colt's 7.62x51 mm NATO is an "out-of-the-box" concept that's a marriage of the AR-10 and AR-15 platforms. An adaptive rifle that uses a highly modified and upgraded AR-15 lower receiver with an equally unique AR-10 magazine well, the LE901-16S quickly converts to an M4-type carbine in 5.56x45 mm NATO. Conversions for the AR platform aren't a new innovation, but Colt's LE901-16S is a unique adaptation.
Learn more about the gun's design in this segment from American Rifleman TV.
Manufacturers have achieved excellent results with small-caliber bottleneck designs, as evidenced by cartridges such as the .357 SIG and 5.7x28 mm. The .30-caliber 7.5 FK continues this legacy and is now chambered in the FK Brno PSD-C.
For the entirety of 2026, we're celebrating America's 250th anniversary, and the firearm industry continues to roll out commemorative products to mark the occasion.
The "Bulletproof Bubble" is one of the most frustrating things a shooter can experience, because it doesn't make any sense. Every round seems to land all around the exact center of your point of aim instead of in it.