Armaspec H3 5.6oz Stealth Recoil Spring Carbine Buffer System Bundle, Dry Film Coated 7075-T6 Aluminum Black Carbine Buffer Tube

Armaspec H3 5.6oz Stealth Recoil Spring Carbine Buffer System Bundle | SRS GEN4 Captured Spring | 7075-T6 Type III Hardcoat Buffer Tube | Dry Film Lubricated | Silent Operation

A premium buffer system engineered for AR-15 platforms, combining Armaspec's SRS GEN4 H3 captured spring buffer with Davidson Defense's dry film coated 7075-T6 Type III hardcoat anodized buffer tube for exceptional noise reduction, reduced friction, and recoil control. This bundle includes the H3 self-contained buffer weighing 5.6 oz with integrated captive spring that eliminates buffer spring noise, heavy-duty 7075-T6 aluminum buffer tube with advanced dry film lubrication coating, mil-spec phosphate receiver end plate, and castle nut. Optimized for suppressed AR-15s, SBRs, pistols, and overgassed systems requiring smoother cycling characteristics and faster follow-up shot capability.

Key Features

• SRS GEN4 H3 Captured Spring Buffer: Self-contained design eliminates buffer spring twang and metallic noise during cycling
• H3 Weight Configuration (5.6 oz): Heavy buffer mass optimized for suppressed AR-15s, SBRs, pistols, and overgassed tactical carbines
• 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
• Advanced Dry Film Coating: Factory-applied lubrication reduces friction, extends component life, and ensures smooth buffer travel
• Type III Hardcoat Anodized Finish: Superior surface hardness and durability compared to standard anodizing
• Complete Installation Bundle: Includes buffer tube, H3 buffer, phosphate receiver end plate, and castle nut
• Drop-In Compatibility: Straightforward installation with standard AR-15 lower receivers without gunsmithing
• Overgassed System Optimization: Additional buffer mass manages excessive bolt velocity and back pressure

Perfect For

• Suppressed AR-15 builds requiring additional buffer mass and premium noise reduction
• Short-barreled rifles (SBRs) and pistol configurations with overgassed characteristics
• Competition rifles seeking faster follow-up shots through improved cycling characteristics
• Tactical carbines benefiting from reduced mechanical noise and smoother recoil impulse
• Builders seeking premium buffer system bundles with Type III hardcoat components and 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.

H3 Weight for Suppressed and Overgassed Systems

The H3 weight configuration at 5.6 oz provides optimal mass for managing increased bolt velocity from suppressor back pressure or overgassed short-barreled configurations. This additional buffer weight slows bolt carrier velocity, reducing felt recoil impulse, minimizing wear on internal components, and preventing harsh ejection patterns that can damage brass or cause reliability issues. The H3 mass is particularly effective in suppressed builds where elevated back pressure benefits from additional buffer weight to smooth cycling characteristics and maintain consistent ejection patterns across subsonic and supersonic ammunition types. This configuration also improves performance in SBRs, AR pistols, and tactical carbines with overgassed systems.

Premium 7075-T6 Type III Hardcoat Buffer Tube with 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 factory-applied dry film coating is the standout feature, providing permanent lubrication bonded directly to the buffer tube's interior surface. This advanced coating dramatically reduces friction between the buffer and tube, eliminating the need for wet lubricants that attract dirt and carbon fouling. The result is smoother buffer travel, reduced wear on both buffer and tube surfaces, consistent cycling performance in adverse conditions, and extended component lifespan even under high round counts. The dry film lubrication maintains its effectiveness across extreme temperature ranges and continues performing reliably when traditional oils and greases would fail or require reapplication.

Enhanced Recoil Management and Follow-Up Speed

The combination of H3 buffer weight, captured spring design, and dry film lubricated buffer tube 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 dry film coating ensures consistent, friction-free travel throughout the cycling process. This translates to softer felt recoil, faster sight recovery between shots, and more predictable cycling characteristics. The benefit is particularly noticeable in competitive shooting where improved split times matter, and in tactical applications requiring rapid target transitions while maintaining mechanical reliability across varied ammunition types and shooting 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.