SAA SA-15 Custom AR-15 5.56mm NATO Semi-Auto Rifle, 16 Inch Barrel, BCM Upper, Free-Float M-LOK, Mission First Tactical Stock
This custom SAA SA-15 pairs a BCM upper receiver assembly with an SAA-marked lower for a well-executed AR-15 build in 5.56mm NATO. It features a free-float M-LOK handguard with a full-length 1913 top rail, a 16-inch threaded barrel with an A2-pattern flash hider, and quality furniture from Mission First Tactical and Magpul. The receivers are 7075-T6 aluminum with a Type III hard-coat anodized finish, and capacity is 30+1.
Condition
Overall Condition: Very good condition, showing only light, superficial signs of prior handling or use.
Bore Condition: Excellent - Clean, mirror finish, no signs of wear.
Bore Rifling: Excellent Rifling - Sharp lands and grooves.
Specific Condition Notes: The rifle shows light signs of wear and handling, with some surface scratches visible on exterior surfaces.
What’s Included
- SAA SA-15 5.56mm NATO semi-automatic rifle
- One 30-round polymer AR-15 pattern magazine with ribbed body
This SA-15 is a custom configuration with a BCM upper receiver assembly mated to an SAA SA-15 lower. The forged flat-top upper includes a forward assist, brass deflector, and ejection-port cover, with the dust cover marked '5.56'. The BCM upper attribution is per the provided note.
The rifle uses a free-float M-LOK handguard that carries a full-length 1913 top rail for mounting accessories. Its 16-inch threaded barrel is fitted with an A2-pattern flash hider.
Receivers are 7075-T6 aluminum with a Type III hard-coat anodized finish. The lower is marked 'SA 15' with the Spartan logo and 'SAA TACOMA, WA' and has a pictogram selector.
Furniture and controls include a Mission First Tactical Battlelink Minimalist (BMSMIL) stock with 6-position adjustment and a 10.75-inch length of pull, plus a Magpul polymer pistol grip. Controls are straightforward with a manual safety selector, standard magazine release, and a charging handle with a standard latch. Capacity is 30+1.
This AR-15 platform rifle runs a semi-automatic, direct impingement action and is made in the United States.




