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AIM7

AIM7 Matra Ultra 1.375x24 Front End Cap - Lightweight CNC Aluminum Adapter

AIM7 Matra Ultra 1.375x24 Front End Cap - Lightweight CNC Aluminum Adapter

$81.99 USD
$81.99 USD
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AIM7 MATRA ULTRA 1.375x24 Bravo Front End Cap 1-3/8x24 HUB Thread Mount Adapter

This is an ultra-lightweight, precision CNC-machined front cap and mounting adapter designed specifically for standard 1.375″ x 24 TPI (1-3/8″ x 24) HUB / Bravo mounting systems. Engineered for multi-caliber versatility, this front cap delivers secure thread engagement, superior structural alignment, and long-term durability while adding minimal weight to your custom build.

Precision-crafted from aerospace-grade 6061-T6 aluminum and finished with a protective black hard-coat anodized coating, the MATRA ULTRA weighs just 0.8 oz, making it an ideal upgrade for target shooting, bolt-action rifles, and custom hardware setups.

Key Specifications & Technical Features:

  • Mounting Thread Standard: 1.375″ x 24 TPI (1-3/8 x 24 HUB / Bravo interface)

  • Bore Clearance: 12mm / 0.50″ bore (Multi-caliber clearance up to .45 ACP)

  • Material: Aerospace-Grade 6061-T6 Aluminum

  • Finish: Corrosion-resistant Matte Black Hard-Coat Anodized

  • Weight: 0.8 oz (22.6 g)

  • Package Includes: (1) AIM7 MATRA ULTRA Bravo Front Cap

Multi-Caliber & Cross-Platform Versatility:

Designed with a generous 0.50" (12mm) bore clearance, the MATRA ULTRA safely accommodates a wide array of rifle and pistol calibers:

  • Pistol / PCC Calibers: 9mm, .40 S&W, .45 ACP

  • Rifle Calibers: .22 LR, .223 Remington / 5.56 NATO, .300 AAC Blackout, .308 Winchester / 7.62x51mm

Broad HUB / Bravo System Thread Compatibility (1.375x24 Thread Pitch):
Compatible with standard 1.375x24 HUB / Bravo threaded tubes and mounting interfaces from leading platforms, including:

  • SilencerCo: Hybrid 46, Harvester 338, Harvester Evo

  • Dead Air: Primal, Nomad Series, Sierra-5, Wolverine (with HUB adapter)

  • YHM: N20, R9, Turbo T2, Turbo K, Resonator K, Resonator R2

  • Rex Silentium: SEG H (9 & 45), SEG 12, MG7, MG10, MOD X

  • Otter Creek Labs: Polonium, Hydrogen

  • JK Armament: 155, RCX, SBRX, PCX

  • Diligent Defense: Enticer Series | Liberty Precision: Anthem | AB Suppressor: Raptor
    (Note: Compatibility is based strictly on standard 1.375x24 thread pitch dimensions).

Fitment & Installation Guidelines:

  • Thread Pitch Verification: Please verify your tube or device uses 1.375x24 (1-3/8x24) HUB / Bravo threading prior to purchasing.

  • Installation: Hand-thread onto clean, lightly lubricated threads. Ensure full engagement before use.

  • Bore Alignment: Always verify bore clearance and concentricity with an alignment rod prior to live firing.

📢 LEGAL, SHIPPING & eBay COMPLIANCE DISCLAIMER

eBay Firearms Accessories Policy Compliance:

  • This listing complies fully with all eBay policies regarding firearm parts and accessories.

  • This item is NOT a firearm, receiver, frame, barrel, silencer, or suppressor, and cannot accept or fire ammunition.

  • This product is NOT a sound suppression device, sound moderator, silencer, or suppressor component. It does not reduce, alter, or muffle the acoustic report of any firearm.

  • This is a non-regulated hardware component/adapter intended strictly for lawful sporting, hunting, target shooting, and custom engineering applications.


  • Ships strictly to permitted U.S. domestic addresses. No international sales, exports, or freight forwarding allowed.

We do not accept returns or cancel for change of mind. We only offer returns for items that are faulty or damaged.

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