AR-10 and 15 Upper units and complete firearms are available from SSK Industries.


SSK Industries has developed a highly efficient, extremely accurate and quiet adaptation of the 338 Whisper® cartridge to the AR-10 platform. This brings a new dimension of accuracy and power to sub-sonic suppressed semi-automatic firearms. Use of the 300 grain Sierra Matchking projectile combined with the proper optics and rangefinding equipment gives an effective range of in excess of 500 yards.

This new innovation compliments the existing 300 Whisper® conversions of the AR-15 and M-16.

Both the 300 and 338 Whisper® silenced cartridges are available in bolt actions units also. All of them are available from SSK Industries.

302; 338. 375, 416 Whispers®

This AR-10 is chambered for 338 Whisper®. The 18″ octagon barrel
works with any of the 308 headsize cartridges

Fluting ahead of the gas block aids cooling–looks great!

AR-10T like the above without optics is $3080.00 in select calibers.A complete upper with bolt and carrier is $1650.00 in select calibers.Converting your 308 to select calibers is $900.00.

This version of the AR-10T utilizes a 26″ Shilen Supreme Match grade barrel
fluted under the handguard and ahead of the gas block. Optic is a
Nightforce 3.5 X 15 center focus with illuminated mil dot reticle.

This is an AR-10T example of a suppressed 338 Whisper ®.

338 Whisper® subsonic cartridge loaded to 1050 FPS with the Sierra 300 gain Matchking in the SSK suppressed AR-10 and bolt action guns is capable of accuracy of under .5 MOA at 100 yards.