Details
Armaspec H2 4.7oz Stealth Recoil Spring Carbine Buffer System Bundle | SRS GEN4 Captured Spring | Ambidextrous QD End Plate | Silent Operation
A premium buffer system engineered for AR-15 platforms, combining Armaspec's SRS GEN4 H2 captured spring buffer with a specialized ambidextrous QD sling swivel end plate for exceptional noise reduction, recoil management, and tactical versatility. This bundle includes the H2 self-contained buffer weighing 4.7 oz with integrated captive spring that eliminates buffer spring noise, mil-spec heavy-duty aluminum 6-position carbine buffer tube, AR-15 receiver end plate with integrated center-mounted ambidextrous QD sling swivel attachment point, and castle nut. Optimized for suppressed rifles, overgassed systems, SBRs, AR pistols, and tactical applications requiring smoother cycling, faster follow-up shots, and versatile sling mounting options.
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
- Ambidextrous QD End Plate: Center-mounted QD sling swivel socket for left- and right-handed sling configurations
- Mil-Spec Heavy-Duty 6-Position Buffer Tube: Aluminum construction with standard carbine adjustment capability
- Complete Installation Bundle: Includes buffer tube, H2 buffer, QD 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
- Short-barreled rifles (SBRs) and AR pistol configurations benefiting from H2 weight and tactical sling mounting
- Competition and 3-gun rifles seeking faster follow-up shots through improved recoil management
- Tactical and defensive carbines demanding reduced mechanical noise and ambidextrous QD sling attachment
- Builders seeking premium buffer system bundles with integrated QD end plate for mission flexibility
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, SBRs, and 3-gun competition rifles.
Ambidextrous QD End Plate for Tactical Versatility
The standout feature of this bundle is the AR-15 receiver end plate with integrated center-mounted ambidextrous QD sling swivel socket. This specialized end plate provides a flush-mounted QD attachment point positioned at the rear of the lower receiver, allowing rapid single-point, two-point, or transition sling configurations without requiring separate QD mounts, side plates, or rail-mounted accessories. The center mounting position ensures true ambidextrous functionality—equally accessible for left- and right-handed shooters and compatible with various sling attachment angles for comfortable carry and rapid transitions. The QD socket accepts standard quick-detach sling swivels, providing secure retention with instant push-button release for fast sling removal or reconfiguration. This integrated design maintains a low-profile appearance, eliminates additional mounting hardware, and provides a bombproof sling attachment point directly integrated into the buffer system assembly. For tactical operators, competitive shooters, and defensive rifle users who require versatile sling options—particularly important for dynamic shooting where rapid sling transitions enhance weapon retention and tactical mobility—this integrated QD end plate delivers professional-grade functionality without the complexity of aftermarket sling mounts.
Enhanced Recoil Control and Follow-Up Speed
The combination of H2 buffer weight and captured spring design 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, translating to softer felt recoil and faster sight recovery between shots. This characteristic benefits competitive shooters seeking improved split times, tactical operators requiring rapid target transitions, and suppressed configurations where controlled cycling enhances shooter comfort and maintains mechanical reliability across varied ammunition types and shooting conditions.
Complete Mil-Spec Bundle with Tactical Features
This bundle includes all essential components for complete buffer system installation: mil-spec heavy-duty aluminum 6-position carbine buffer tube, SRS GEN4 H2 captured spring buffer, AR-15 receiver end plate with integrated ambidextrous QD sling swivel socket, and AR-15 carbine castle nut. The mil-spec buffer tube dimensions ensure compatibility with standard carbine stocks and adjustable braces, while the drop-in design integrates with standard AR-15 lower receivers without requiring specialized tools or gunsmithing expertise. The integrated QD end plate adds tactical functionality for versatile sling mounting without compromising the clean, professional appearance of the buffer system assembly.
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. Test QD sling swivel retention before field use. Comply with all applicable federal, state, and local firearms laws.