AR-15 Single Shot Adapter Sled with Last Round Bolt Hold Open

Easily convert your AR-15 into a smooth and reliable single-shot platform with this precision-designed Single Shot Adapter Sled. Built to lock securely into your rifle just like a standard magazine, this sled allows for effortless single-round loading while maintaining proper rifle balance and position.

Designed with a custom-built plunger system, the sled automatically engages the bolt catch and locks the bolt to the rear after each shot. Simply place a round onto the sled’s feed channel, press the bolt release, and chamber the next round with smooth, consistent feeding. After firing, the action cycles normally and locks open again for convenient reloading.

This makes it an excellent solution for load development, slow-fire competition stages, long-range shooting, or when using cartridges that exceed standard magazine length.

Key Features:

• Magazine-Style Fit – Inserts and locks in place just like a standard AR-15 magazine

• Single-Round Smooth Feeding – Designed channel supports reliable chambering

• Automatic Bolt Hold Open – Built-in plunger trips bolt catch after each shot

• Perfect for Load Testing – Ideal for longer-than-magazine-length rounds

• Competition Ready – Maintains rifle balance during slow-fire stages

Competition Advantages:

• Keeps your rifle straight and level during slow-fire loading

• Eliminates the need to modify or sacrifice a standard magazine

• Excellent for standing and prone slow-fire stages

• Allows loading without breaking position in prone

Whether you're refining precision loads, competing in high power rifle events, or simply prefer controlled single-round shooting, this AR-15 Single Shot Sled delivers smooth operation and dependable performance.