Check the listing for details. AIM7 Precision ARCHER TB Modular Linear Comp. Condition: New. Listed at 87.95 USD. AIM7 ARCHER TB Modular Linear Compensator Body w/ End Cap BARREL EXTENSION Description: The ARCHER Modular Comp Body offers a unique and user-configurable linear compensator system. With its patent-pending design, you can create the perfect comp length. The comp body features 1-1/8″ x 28 TPI internal threads, allowing compatibility with popular suppressor attachments. Made from durable 6061-T6 Aluminum and hard coat anodized, each component ensures longevity. The kit includes a 1" coupler, a 2.5" spacer, a 3.5" spacer, and a end cap. Explore the new level of modularity with ARCHER 7" Modular Comp Body. Notes: TB-7 kit does NOT include a thread adapter. Specifications: Outside Diameter: 1.285" Inside Diameter: 1.085" ID/OD Thread: 1-1/8 x 28 TPI Total Length: 7.33" Total Length with Adapter: 7.78" Weight: 5 oz (without thread adapter) Features & Tips: Material: 6061-T6 Aluminum Coating: Black Hard Coat Anodized Compatibility: – Pistol Calibers: Anything .45 ACP and Smaller - Compatible with popular suppressor attachments Package includes: – 1 x 1" Coupler (TCP) – 1 x 2.5" Spacer (TS-25) – 1 x 3.5" Spacer (TS-35) – 1 x End Cap (TC) Notes: TB-7 kit does NOT include a thread adapter.