In StockSave 15%
Proof Research Sig Sauer Cross Carbon Fiber Prefit Barrel 308 Winchester 20" 1:10" Twist 5 Groove
Sold byMidwayUSA•Posted Apr 27, 2026
Compare prices for Proof Research Sig Sauer Cross Carbon Fiber Prefit Barrel 308 Winchester 20" 1:10" Twist 5 Groove$976.65
$1,149.00
You save $172.35 (15% off)
Price and stock data refresh continuously from MidwayUSA.
Deal Summary
- Currently in stock.
- Caliber: 308/7.62x51
- Category: parts
- UPC: 843068134481
- SKU: 731684
- Brand: Proof Research
Price History
Deal Details
Proof Research's steel barrels are produced in-house from double-stress relieved 416R stainless steel. This pre-hardened chromium steel is ideally suited for match grade rifle barrels. Each barrel is drilled, contoured and reamed to bore diameter. It is then cut rifled, lapped, and inspected via borescope. This ensures an extremely consistent and accurate finished product.The aerospace-grade carbon fiber used has a specific strength up to 30 times that of stainless steel and a specific stiffness
Other Offers for This Product
Active offers from your catalog for Proof Research Sig Sauer Cross Carbon Fiber Prefit Barrel 308 Winchester 20" 1:10" Twist 5 Groove.
Comparing 5 retailers carrying this product
Lowest Price: $922.25
Highest Price: $1,149.99
You Save: $227.74
Avg Discount: 8% off
PROOF 134481 308WIN 20 10TW 5GRV CF
Proof ResearchBattleHawk ArmorySKU/UPC: 843068134481
$922.25$1,099.00Save 16%
View at BattleHawk ArmoryProof Research Sig Sauer Cross Carbon Fiber Prefit Barrel 308 Winchester 20" 1:10" Twist 5 Groove
Proof ResearchMidwayUSASKU/UPC: 731684
$976.65$1,149.00Save 15%
View at MidwayUSA
Proof Research 134481 Bolt Action Barrel Pre-Fit 308 Win 20 1:10 Twist (5 Groove), 5/8-24 tpi Threaded, Carbon Fiber, Drop-In Design for Sig Cross, Rifle Barrel
Proof ResearchHinterland OutfittersSKU/UPC: 209339
$989.00
View at Hinterland Outfitters
Sig Sauer Cross Pre-Fit Dropin Carbon Fiber 308 Win Barrel - Sig Cross Pre-Fit Drop In Carbon Fiber 308 Winchester 20''''bbl
Proof ResearchBrownellsSKU/UPC: 430106637
$1,099.00
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Proof Research Barrel .308 Win 20" Fits Sig Sauer Cross - Extended Barrel for Superior Precision and Black - 134481
Proof ResearchPalmetto State ArmorySKU/UPC: 516551736336
$1,149.99$1,276.99Save 10%
View at Palmetto State Armory