Make: Spike’s Tactical Lower 

Model: ST15

Serial Number: CCR1230

Year of Manufacture: Modern

Caliber: 5.56 NATO / .223

Action Type: Semi-Automatic, Direct Impingement, fed by AR pattern magazines.  

Markings: The left side of the receiver is marked with a Spikes spider logo and, “CCR1230 CAL. 223-5.56mm MOD.ST-15 / SPIKES TACTICAL APOPKA, FL U.S.A.”. The barrel is marked, “B MP 5.56 NATO 1/9”.

Barrel Length: 16” M4 Profile, 18” with Lantac Dragon muzzle brake.  

Sights / Optics: The front sight is a fixed A2 base with an adjustable post, the rear sight is a Midwest Industries folding 2-position sight.  

Stock Configuration & Condition: This rifle has a three piece Magpul stock set with a SL handguard, MOE rubberized pistol grip, and MOE-SL adjustable buttstock.  The Length of pull at full extension is 14.25”. All of the furniture set shows only very minor handling wear. Overall the furniture is in Excellent condition.    

Magazine Quantity & Condition: None   

Type of Finish: Anodized, Nitride

Finish Originality: Original

Bore Condition:  The bore is bright and the rifling is sharp.  There is no erosion in the bore. The feed ramps are smooth and shiny.  In this writer’s opinion the bore rates 9.5/10. 

Overall Condition: This rifle retains about 95% of its metal finish. This rifle shows only scattered minor handling wear. This rifle has a PWS Ratchet Lock castle nut and endplate, Radian Raptor ambi safety, KNS antiwalk pins, and a  Magpul dust cover. The deflector has a stick on pad for protection. The screw heads are sharp, the pins are un-marred and the markings are clear. Overall the rifle is in Very Good condition.

Mechanics: The action functions correctly. We did not fire this rifle. As with all used firearms, a thorough cleaning may be necessary to meet your maintenance requirements.

Box, Paperwork & Accessories: None.  

Our Assessment: This Spike’s Tactical ST15 Custom AR-15 Build, chambered in 5.56 NATO / .223, is a high-quality, semi-automatic rifle, built with premium components and thoughtful upgrades for reliability, accuracy, and ergonomics. Assembled around a Spike’s Tactical lower receiver, this rifle maintains the battle-proven direct impingement system, while incorporating modern enhancements that make it a highly capable and versatile platform for defense, sport shooting, or tactical applications. The 16-inch M4-profile barrel (18 inches with the Lantac Dragon muzzle brake) provides an excellent balance of accuracy and maneuverability, making it an ideal option for both close-quarters engagements and medium-range shooting. This custom-built ST15 features top-tier components, including a Midwest Industries folding rear sight for backup aiming, a Radian Raptor ambidextrous safety, and a PWS Ratchet Lock castle nut and endplate for enhanced stability and durability. The rifle is outfitted with Magpul furniture, including an MOE-SL adjustable stock, rubberized MOE pistol grip, and SL handguard, ensuring a comfortable and controlled shooting experience. The bright bore with sharp rifling confirms that this rifle is well-maintained and capable of delivering consistent accuracy, while the smooth and polished feed ramps ensure flawless cycling and reliability. With only minor handling wear and a 95% original finish, this rifle remains in very good condition, reflecting careful use and proper upkeep.

For AR-15 enthusiasts, tactical shooters, and those seeking a dependable custom-built rifle, this Spike’s Tactical ST15 is an excellent choice. Its premium components, lightweight yet rugged design, and high-performance upgrades make it a standout rifle for a variety of shooting applications. Whether used for home defense, tactical training, competitive shooting, or recreational range sessions, this custom-built ST15 provides exceptional functionality, reliability, and modern ergonomics, ensuring top-tier performance in any scenario.