AIM7 FROGFOOT Linear Comp 5″

  • Material: High-Quality 6061-T6 Aluminum

  • Finish: Black Hard Coat Anodized

  • Outside Diameter (OD): 1.285″

  • Thread Pitch (ID/OD): 1-1/8 x 28 TPI (1.125×28)

  • Added Length: 5″ of Comp Length

  • Total Length: 5″

  • Weight: 3.4

 

Description

AIM7 FROGFOOT 5″ Modular Linear Compensator & Alpha-Cone Front Cap (1-1/8×28 Alpha)

The AIM7 FROGFOOT 5″ Modular Linear Compensator & Alpha-Cone Assembly is an extended blast-redirection solution engineered for maximum forward propulsion management, structural alignment, and universal 1-1/8×28 (1.125×28) Alpha-pattern compatibility. Precision CNC-machined from lightweight 6061-T6 aerospace aluminum and finished with a durable matte black hardcoat anodization, this modular system delivers high-volume concussion redirection without compromising front-end platform balance.

Designed for small-caliber platforms—including .22 LR, 5.7×28, and .223 / 5.56 NATO—this setup combines our 5-inch modular linear expansion body with the specialized Alpha-Cone front cap to efficiently channel explosive sound waves, muzzle flash, and propellant gases straight downrange away from the shooter.

Key System Features

  • Alpha 1-1/8×28 Interface: Machined with 1.125×28 TPI inner and outer threading for wide compatibility with Alpha-pattern mounts, adapters, and modular muzzle accessories.
  • Extended Expansion Chamber: The generous 5.0″ overall body length provides maximum internal expansion volume to stage escaping gas expansion before forward venting.
  • Alpha-Cone Blast Forwarding: Features an optimized back-cone geometry that manipulates muzzle flash and propels high-pressure gas straight downrange.
  • Lightweight 6061-T6 Aluminum: Delivers exceptional structural rigidity, thermal dissipation, and corrosion resistance at an ultra-light total weight of just 3.4 oz.
  • Sleek Uniform Profile: Engineered with a slim 1.285″–1.291″ outer diameter for a streamlined, snag-free transition under slimline handguards.

System Specifications

Total System Length 5.0″
Outer Diameter (OD) 1.285″ (Body) / 1.291″ (Front Cap)
Thread Interface 1-1/8×28 TPI (1.125×28) Alpha Pattern (ID / OD)
Platform Suitability .22 LR, 5.7×28, .223 / 5.56 NATO, and compatible smaller calibers
Material Construction High-Strength 6061-T6 Billet Aluminum
Total Assembly Weight 3.4 oz
Surface Finish Mil-Spec Hard Coat Anodized (Matte Black)

Modular Component Breakdown

  1. AIM7 5″ Modular Linear Comp Tube: CNC-machined 6061-T6 aluminum expansion body providing 5 inches of customizable linear length and internal gas staging.
    Specs: 5.0″ Length | 1.285″ OD | 1-1/8×28 ID/OD Threading.
  2. Aim7 Alpha-Cone Front Cap: Engineered with internal expansion relief to optimize linear blast push without adding front-end weight.
    Specs: 1.291″ OD | 1-1/8×28 TPI Mounting Threads | High-temp T6 Aluminum.

(Note: Barrel mouth thread adapters or host-specific muzzle mounts are not included unless specified in selected variation bundles. Always verify bore concentricity and caliber clearance prior to live fire.)

CALIFORNIA SHIPPING RESTRICTION (AB-1263 COMPLIANCE NOTICE):
Due to California Assembly Bill 1263 (AB-1263) compliance requirements and online sale restrictions for firearm accessories, WE DO NOT SHIP THIS ITEM TO CALIFORNIA ADDRESSES. Any orders placed with a California shipping destination will be canceled immediately.

Important Disclosures & Compliance

  • Policy & Classification Compliance: THIS ITEM IS NOT A SILENCER, SUPPRESSOR, OR NFA COMPONENT. It is strictly a non-baffled linear compensator body and forward blast cap designed exclusively for directional concussion management. It contains no internal acoustic baffles, dampening media, or sound-muffling components, and does not reduce or diminish the acoustic report of a firearm.
  • Fitment & Concentricity: Always inspect host barrel concentricity, adapter thread seating, and projectile clearance with an armorer’s alignment rod prior to live fire. Installation by a certified gunsmith or experienced armorer is strongly recommended. Always confirm firearm is unloaded, safety engaged, and chamber empty before mounting.
  • Legal Responsibility: The purchaser assumes all responsibility for verifying compliance with applicable local, state, and federal firearms laws and regulations.
  • California Proposition 65 Warning: This product may contain trace chemicals known to the State of California to cause cancer, birth defects, or other reproductive harm.

Additional information

Thread Pitch:

.578X28, 1/2 x 28 TPI, 1/2 X 28 TPI 9MM, 1/2 x 36 TPI, 5/8 x 24 TPI, 9/16X24, ASR TAPER MOUNT 13/16X16, ASR-13/16×16, M13.5X1LH, M14X1LH, NO ADAPTER, Plan B Adapter .900" x24

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