Armaspec H2 4.7oz Stealth Recoil Spring Carbine Buffer System Bundle, Dry Film Coated 7075-T6 Aluminum Black Carbine Buffer Tube

Armaspec H2 4.7oz Stealth Recoil Spring Carbine Buffer System Bundle | SRS GEN4 Captured Spring | 7075-T6 Type III Hardcoat Buffer Tube | Dry Film Lubricated Interior | Silent Operation

A premium buffer system engineered for AR-15 platforms, combining Armaspec's SRS GEN4 H2 captured spring buffer with Davidson Defense's dry film coated 7075-T6 Type III hardcoat anodized buffer tube for exceptional noise reduction, friction-free operation, and recoil control. This bundle includes the H2 self-contained buffer weighing 4.7 oz with integrated captive spring that eliminates buffer spring noise, heavy-duty 7075-T6 aluminum buffer tube with advanced dry film lubrication coating applied to the interior, mil-spec phosphate receiver end plate, and castle nut. Optimized for suppressed rifles, overgassed systems, SBRs, AR pistols, and competition applications requiring smoother cycling characteristics and versatile performance.

Key Features

• SRS GEN4 H2 Captured Spring Buffer: Self-contained design eliminates buffer spring twang and metallic noise during cycling
• H2 Weight Configuration (4.7 oz): Balanced buffer mass optimized for suppressed rifles, overgassed systems, and versatile AR-15 configurations
• Standard Carbine Length (3.25"): Compatible with mil-spec carbine buffer tubes and adjustable stocks
• Silent Operation: Captured spring design prevents spring-to-buffer tube contact and associated vibrations
• 7075-T6 Aluminum Buffer Tube: Heavy-duty construction with Type III hardcoat anodized finish for exceptional wear resistance
• Interior Dry Film Lubrication: Factory-applied coating bonded to buffer tube interior reduces friction and eliminates need for wet lubricants
• Type III Hardcoat Anodized Finish: Superior surface hardness and durability compared to standard anodizing
• Complete Installation Bundle: Includes buffer tube, H2 buffer, phosphate receiver end plate, and castle nut
• Drop-In Compatibility: Straightforward installation with standard AR-15 lower receivers without gunsmithing
• Versatile Application Range: Suitable for suppressed, competition, tactical, and defensive carbine configurations

Perfect For

• Suppressed AR-15 builds and overgassed systems requiring balanced buffer mass with premium noise reduction
• SBRs and AR pistol configurations benefiting from H2 weight and smooth cycling
• Competition and 3-gun rifles seeking faster follow-up shots through improved recoil management
• Tactical and defensive carbines demanding reduced mechanical noise and consistent performance
• Builders seeking premium buffer system bundles with Type III hardcoat components and interior dry film lubrication

SRS GEN4 Captured Spring Technology

The Armaspec SRS GEN4 system replaces the traditional loose buffer spring with a self-contained captive spring integrated within the buffer body. This design eliminates the characteristic metallic twang and spring noise heard during cycling by preventing spring-to-buffer tube contact and the associated vibrations. The result is silent mechanical operation that reduces audible distraction for the shooter and minimizes signature in tactical or hunting environments where discretion matters. The captured spring maintains consistent tension across temperature extremes and high round counts without the spring binding or kinking issues associated with standard buffer springs.

H2 Weight for Versatile Applications

The H2 weight configuration at 4.7 oz provides balanced buffer mass suitable for a wide range of AR-15 configurations. This weight offers improved recoil management over standard carbine buffers while remaining versatile enough for both suppressed and unsuppressed applications. The H2 mass is effective in suppressed builds where moderate back pressure benefits from additional buffer weight, overgassed short-barreled configurations requiring smoother cycling, and competition rifles seeking reduced recoil impulse for faster follow-up shots. This versatility makes the H2 a popular choice for builders seeking a single buffer solution across multiple build types including tactical carbines, defensive platforms, and 3-gun competition rifles.

Premium 7075-T6 Type III Hardcoat Buffer Tube with Interior Dry Film Lubrication

The Davidson Defense buffer tube is machined from 7075-T6 aluminum—the same aerospace-grade material used in upper and lower receivers—providing exceptional strength and dimensional stability. The Type III hardcoat anodized finish delivers superior surface hardness compared to standard Type II anodizing, offering enhanced wear resistance, scratch protection, and corrosion resistance for long-term durability. The critical performance advantage is the factory-applied dry film coating bonded directly to the interior surface of the buffer tube. This permanent lubrication layer creates a low-friction interface between the buffer and tube wall, dramatically reducing friction during the entire length of buffer travel. Unlike wet lubricants that attract carbon fouling, degrade over time, and require periodic reapplication, the dry film coating remains bonded to the tube interior and continues performing reliably across thousands of rounds. This results in smoother buffer movement, reduced wear on both buffer and tube contact surfaces, consistent cycling performance in dirty or adverse conditions, and extended component lifespan. The dry film lubrication maintains effectiveness across extreme temperature ranges from freezing cold to desert heat, ensuring reliable function when traditional oils and greases would thicken, evaporate, or fail.

Enhanced Recoil Control and Follow-Up Speed

The combination of H2 buffer weight, captured spring design, and dry film lubricated buffer tube interior delivers exceptionally smooth recoil impulse and reduced muzzle rise compared to standard carbine buffer systems. The optimized mass slows the reciprocating motion of the bolt carrier group, while the interior dry film coating ensures consistent, friction-free buffer travel throughout the entire cycling process with no sticking or binding. This translates to softer felt recoil, faster sight recovery between shots, and more predictable cycling characteristics across varied ammunition types. The benefit is particularly noticeable in competition shooting where improved split times and consistent performance matter, and in tactical applications requiring rapid target transitions while maintaining mechanical reliability under demanding conditions.

Always follow safe firearm handling practices and manufacturer instructions. Verify compatibility with your specific AR-15 lower receiver, gas system length, and stock configuration. Confirm proper buffer system function and cycling reliability before live fire. Ensure castle nut is properly staked after installation. Comply with all applicable federal, state, and local firearms laws.