SBI 1913 Picatinny Buffer Tube Adapter

Spectre Ballistics SBI 1913 Picatinny Buffer Tube Adapter

The Spectre Ballistics SBI 1913 Picatinny Buffer Tube Adapter is a simple, robust solution for mounting an AR-15 buffer tube to any firearm equipped with a MIL-STD-1913 Picatinny rear rail. Precision CNC machined from high-strength aluminum, this adapter provides a secure and reliable interface for attaching commercial or mil-spec buffer tubes, allowing shooters to customize their firearm with a wide range of AR-style stocks where applicable.

Designed with durability and ease of installation in mind, the adapter features a compact, low-profile design that minimizes added bulk while maintaining a solid lock-up. Whether you’re building a modern sporting rifle, upgrading a chassis system, or replacing an existing stock interface, the SBI 1913 Adapter offers the versatility needed to configure your firearm to suit your shooting style.

Compatible with both commercial and mil-spec AR-15 receiver extensions (buffer tubes), the adapter installs directly onto any firearm featuring a rear 1913 Picatinny rail. Its precision-machined construction and durable black anodized finish ensure long-lasting performance and resistance to wear, corrosion, and the elements.

Proudly designed and manufactured in Canada by Spectre Ballistics, the SBI 1913 Picatinny Buffer Tube Adapter delivers a dependable mounting solution for shooters seeking flexibility without compromising strength or reliability.

• Key Features

  • CNC machined aluminum construction
  • Compatible with MIL-STD-1913 Picatinny rear rails
  • Accepts both mil-spec and commercial AR-15 buffer tubes
  • Compact, lightweight, and low-profile design
  • Durable black anodized finish for corrosion resistance
  • Provides a secure interface for AR-style stock configurations
  • Easy installation with no permanent firearm modifications
  • Designed and manufactured in Canada

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