Olympic Arms
OA-93 upper (only)
.556 NATO
Pasadena, CA
$895 or make offer
Will Ship ($19, USPS Priority)
Used, good condition, OA-93 Complete Upper ONLY (one pix shows mounted on lower; no lower included).
Extremely Rare
Piston Recoil System
Approx 250 rounds on it.
M4 ramps polished
No stock, brace or buffer needed.
$895.
No FFL or fees needed.
Uses standard AR-15 mags
Unique to Olympic Arms is the OA Operations System which incorporates the recoil system into a flat top upper receiver eliminating the need for a buttstock. The OA-93 was the FIRST AR-15 pistol.
Upper type: Forged flat top w/ integrated recoil system
Front sight: None
Handguard: Free floating aluminum tube w/ knurling
Barrel: 6.5”, button rifled, 416 Stainless steel
Chambering: 5.56 NATO
Bore: Long-life non-chromed bore
Twist rate: 1x7
Muzzle: Phantom flash suppresor
Stock: None
Length 17.00”
OA-93 upper (only)
.556 NATO
Pasadena, CA
$895 or make offer
Will Ship ($19, USPS Priority)
Used, good condition, OA-93 Complete Upper ONLY (one pix shows mounted on lower; no lower included).
Extremely Rare
Piston Recoil System
Approx 250 rounds on it.
M4 ramps polished
No stock, brace or buffer needed.
$895.
No FFL or fees needed.
Uses standard AR-15 mags
Unique to Olympic Arms is the OA Operations System which incorporates the recoil system into a flat top upper receiver eliminating the need for a buttstock. The OA-93 was the FIRST AR-15 pistol.
Upper type: Forged flat top w/ integrated recoil system
Front sight: None
Handguard: Free floating aluminum tube w/ knurling
Barrel: 6.5”, button rifled, 416 Stainless steel
Chambering: 5.56 NATO
Bore: Long-life non-chromed bore
Twist rate: 1x7
Muzzle: Phantom flash suppresor
Stock: None
Length 17.00”










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