Proof Research PR134542 Pre-Fit Sig Cross 6CR 16″ Barrel (SKU PR134542)
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Proof Research PR134542 — pre-fit 16″ carbon-fiber wrapped 6CR barrel for Sig Cross (SKU PR134542), sold as one accessory unit and categorized under Rifle Accessories.
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Description
Description
Product Overview
Proof Research PR134542 is listed as a pre-fit barrel for Sig Cross rifles, chambered in 6CR with a 16″ length (SKU PR134542). Source data marks it as a carbon-fiber wrapped barrel and sold as a single unit under Rifle Accessories.
Why This Product
Verified facts critical to purchasers are the pre-fit designation for the Sig Cross platform, carbon-fiber wrapped construction, the 16″ barrel length notation, and a single-unit pack quantity. These details matter for action compatibility and procurement planning for upgrades or replacements.
Key Verified Specifications
- Brand / Manufacturer: Proof Research (f002, f006, f007).
- SKU / Catalog ID: PR134542 (f013).
- Package quantity: 1 (f008, f011).
- Product category: Accessories; Rifle Accessories (f003–f005).
- Features: Pre-Fit Sig Cross Barrel (f009); Carbon Fiber Wrapped Barrel (f010).
Appropriate Use Cases
- Replacing or upgrading the barrel on a Sig Cross action where a pre‑fit barrel simplifies installation — cite: f009.
- Choosing a carbon-fiber wrapped barrel for weight and balance considerations in custom builds — cite: f010.
What Customers Should Know
- Source facts specify this barrel as pre-fit to Sig Cross (product-271012:f009). Confirm your action details and whether gunsmith services are required for final fitment.
- Package quantity is 1 (product-271012:f008, product-271012:f011); additional components or fitting services are not listed and should be confirmed with the vendor.
- Verify SKU PR134542 (product-271012:f013) and exact barrel specifications with your supplier prior to purchase.
Specifications
- Short Stroke Gas Piston Gas System (Rifle Length)
- 18.6″ Barrel Length ( Mid-Weight style, non-fluted)
- 1:8 Twist Rate Rifling

