Gray USMC Force Recon 1983 Contract ART 2 set. On of 40 sets made. Mounts included:

1. QD Military Armament Corp stamped "Leatherwood Adjustable Ranging Telescope Military Armament Corporation U.S.A."
2. Government M-14
3. Night vision Device M-14 Gray
4. Night Vision Device USMC Spec. Long Range M-21 Black

Ballistic Cams included:

1. Cam 118 (7.62x51 173gr FMJBT)
2. Cam 101 (7.62x51 NM 168gr BTHP)
3. Cam 103 (.264 Win Mag. 100gr PSPCL)
4. Cam 104 (.270 Win 150gr. SPCL)
5. Cam 105 (7mm Rem. Mag. 150gr SPCL)
6. Cam 106 (.300 Win Mag. 180gr PSPCL)
7. Cam 107 (7mm Wby. Mag. 180gr PT-EX)
8. Cam 108 (.284 Win. 125gr PP-SP)
9. Cam 112 (.300 Wby Mag 150 Gr. PT-EX)
10. Cam 115 (.222 Rem 50 Gr. HPPL)
11. Cam 102 Modified Stippled (Sionics-MAC made 7.62 NATO sub-Sonic XM-118. Two actuating knobs and two auto range V notches)

Multi-caliber 11 cam set issued for use with calibers indicated and to serve as a ballistic match comparative for USMC force Recon Sniper Clandestine use of enemy rifles in other calibers mounted with ART 2 scope system. This in the only 4 mount 11 cam set known to have survived to date.