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Knights Armament Bolt Carrier Group Kit SR-25 E2 Mod 1

Knights Armament · Bolt Carrier Group

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Knights Armament Bolt Carrier Group Kit SR-25 E2 Mod 1

Best price

$848.16at AR15Discounts

checked Nov 14, 2026

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Specifications

Manufacturer
Knights Armament

Compatibility

Platform
AR-10

Where to buy

StorePriceAvailabilityBuyAdd to build
AR15Discounts Best price 5% off $848.16checked Nov 14, 2026 Check store Buy at AR15Discounts
Dirty Bird $848.16checked Nov 14, 2026 Check store Buy at Dirty Bird

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Price history

Dashed line = out of stock. Tracking since Oct 28, 2026.

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AR15Discounts$848.16$848.16$848.16
Dirty Bird$848.16$848.16$848.16

Since Oct 28, 2026.

About this part

The Knights Armament Bolt Carrier Group Kit SR-25 E2 Mod 1 is an AR-10 bolt carrier group from Knights Armament. It's sold by 2 stores, all at $848.16.

From the manufacturer

Experience unparalleled reliability and precision with the Knights Armament Bolt Carrier Group Kit SR-25 E2 Mod 1, the pinnacle of engineering for AR-10 style platforms. Designed for demanding tactical applications and precision shooting, this BCG kit elevates your SR-25 rifle's performance, ensuring flawless cycling even under extreme conditions. Whether you're a competitive shooter or a professional operator, this kit delivers the durability and consistency needed to maintain your edge in the field. Key Features Enhanced E2 Bolt Design: Features dual ejectors that provide superior ejection force, reducing the risk of malfunctions and extending the overall lifespan of your bolt assembly. High-Pressure Components: Includes a high-pressure bolt, firing pin, and carrier, engineered to handle the rigors of 7.62 NATO/.308 Winchester ammunition with enhanced safety and reliability. Backward Compatibility: Seamlessly integrates with legacy M110 and SR-25 systems, allowing for easy upgrades without compatibility issues. Optimized for Suppressed Use: Improved gas management and robust construction minimize wear, making it ideal for suppressed configurations common in tactical setups. Technical Specifications Weight: 18 oz - Balanced for optimal handling without excess heft. Dimensions: Length: 7.5 inches; Width: 1 inch; Height: 1 inch - Compact yet powerful for SR-25 uppers. Materials: Precision-machined from high-strength alloys, including shot-peened bolt for fatigue resistance and chrome-lined components for corrosion protection. Components Included: Complete bolt carrier group with cam pin, firing pin spring, and extractor assembly for a ready-to-install solution. Why Choose the Knights Armament SR-25 E2 Mod 1 BCG Kit? In the world of tactical firearms accessories, reliability isn't optional-it's essential. This BCG addresses common pain points like inconsistent ejection, premature wear, and compatibility headaches by incorporating Knights Armament's battle-proven innovations. Users praise its smooth operation and longevity, often lasting tens of thousands of rounds with minimal maintenance. Unlike standard AR-10 bolt carrier groups, the E2 Mod 1's advanced features reduce downtime and boost accuracy, solving the frustrations of unreliable cycling in high-stakes scenarios. Invest in this kit to transform your SR-25 into a dependable workhorse that performs when it counts. Elevate your build today with the Knights Armament Bolt Carrier Group Kit SR-25 E2 Mod 1. Perfect for enthusiasts seeking top-tier AR-10 BCG performance, this kit promises precision, power, and peace of mind. Secure yours and experience the difference elite engineering makes. Frequently Asked Questions 1. What makes the E2 Mod 1 different from earlier SR-25 BCGs? The E2 Mod 1 incorporates dual ejectors and high-pressure enhancements for improved reliability and extended service life, backward compatible with older systems while offering modern performance upgrades. 2. Is this BCG suitable for suppressed rifles? Yes, its robust design and optimized components handle increased backpressure from suppressors effectively, reducing wear and ensuring consistent function. 3. How do I maintain this bolt carrier group? Regular cleaning with approved solvents, lubrication of moving parts, and periodic inspection of the ejectors and firing pin will keep it performing optimally for thousands of rounds.

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