Proof Research PR100042 Carbon Fiber Wrapped Rifle Barrel, 20″
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Proof Research PR100042 — single (Pkg Qty 1) carbon fiber wrapped rifle barrel, 20″ length, listed with “Rifle + 2 Gas Length” configuration; manufacturer: Proof Research; SKU PR100042. Suits buyers needing a 20″ carbon-fiber-wrapped replacement or upgrade barrel from Proof Research.
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Description
Description
Product Overview
Proof Research PR100042 is a carbon fiber wrapped rifle barrel sold in a single-piece package (Pkg Qty: 1). Verified product attributes include a 20″ barrel length, carbon fiber wrapped construction and an indicated gas configuration of “Rifle + 2 Gas Length.” Manufacturer SKU: PR100042. Brand/Manufacturer: Proof Research.
Why This Product
- Carbon fiber wrapped barrel — verified attribute identifies the barrel construction as carbon fiber wrapped (source: product-269069:f010), relevant when specifying barrel type for weight, balance or aesthetic considerations.
- 20″ length — verified in existing full description (source: product-269069:f001) and used to match desired overall firearm length or barrel profile.
- Gas-length note — listed as “Rifle + 2 Gas Length” (source: product-269069:f009), which is a configuration detail buyers should confirm against their firearm’s gas system requirements before ordering.
Key Verified Specifications
- Brand / Manufacturer: Proof Research (source: product-269069:f002; product-269069:f006; product-269069:f007)
- Model / SKU: PR100042 (source: product-269069:f013)
- Barrel construction: Carbon Fiber Wrapped Barrel (source: product-269069:f010)
- Barrel length: 20″ (source: product-269069:f001)
- Gas specification: Rifle + 2 Gas Length (source: product-269069:f009)
- Package quantity: 1 (Pkg Qty) (source: product-269069:f008; product-269069:f011)
- Availability status: instock (source: product-269069:f014)
Appropriate Use Cases
- Replacement or upgrade barrel for rifles where a 20″ carbon fiber wrapped barrel is specified (source: product-269069:f010; product-269069:f001).
- Procurement of single spare barrels for workshops or service desks requiring one barrel per order (Pkg Qty: 1) (source: product-269069:f008; product-269069:f011).
What Customers Should Know
- Confirm barrel compatibility — the listing includes a gas-length attribute (“Rifle + 2 Gas Length”) that buyers must verify against their rifle’s gas system or action to ensure correct gas porting and cycling (source: product-269069:f009).
- This record verifies construction as carbon fiber wrapped but does not provide threading, chambering/caliber, bore diameter, or mounting interface—confirm those requirements with technical drawings or the seller before purchase (source: product-269069:f010).
- Sold as a single unit (Pkg Qty: 1). Order quantity planning should account for the single-piece package (source: product-269069:f008; product-269069:f011).
- Manufacturer and SKU are Proof Research / PR100042 for order reference (source: product-269069:f002; product-269069:f013).
Specifications
- Short Stroke Gas Piston Gas System (Rifle Length)
- 18.6″ Barrel Length ( Mid-Weight style, non-fluted)
- 1:8 Twist Rate Rifling

