The Heighth Defense grip module is a game-changer for the Springfield Armory Echelon. It transforms your Echelon into a PDW (Personal Defensive Weapon) or PCC (Pistol Caliber Carbine). Just install your COG, mag release, slide, and barrel for an instant upgrade that enhances performance and versatility.

Yes, Heighth Defense products are legal to purchase and own if you reside in an unrestricted state. Unfortunately, we cannot ship to California, Connecticut, Delaware, D.C., Hawaii, Illinois, Maryland, Massachusetts, New Jersey, New York, or Washington. Please ensure you comply with all local, state, and federal laws, including NFA rules, before purchasing or modifying your firearm.

To use the HGM724, you'll need a Springfield Armory Echelon. For adding a stock or brace, a 3-slot Picatinny rail section is required. If you're planning to use an aftermarket red dot or sight, a 5-slot Picatinny rail section works perfectly, or you can opt for our SOB M-Lok to Acro sight mounts for a direct optic fit. From there, customize with a weapon-mounted light, compensator, or other accessories to suit your needs.

The HGM724 is designed as a compact and ready-to-go bag gun. While suppressors weren't a core design focus, most 1.25-1.5" diameter suppressors require a 1" barrel extension for compatibility. However, smaller suppressors in the 1.05" range can direct thread without any issues.

The HGM724 is compatible with the full-size Springfield Echelon, accommodating both threaded and non-threaded barrels. Please note that aftermarket ported barrels are not supported.

At Heighth Defense, we firmly believe in constitutionally protected, equal access to equipment and firearms for all law-abiding citizens, regardless of profession. Because of this, we’ve made the decision not to sell products to law enforcement agencies or individuals in states where those same items are prohibited for regular citizens.

As former law enforcement ourselves, we have immense respect for the critical work you do and the challenges you face in the line of duty. We hope you can understand this stance—it’s about fairness and consistency in supporting the rights of all citizens.

Heighth Defense products can be found at Rainier Arms. For inquiries about international orders, please contact exports@rainierarms.com

You can return any unused, unaltered, and unopened product within 30 days for a full refund, minus a 3% restocking fee. The buyer is responsible for return shipping. Before sending anything back, please contact us at hello@heighthdefense.com. We highly recommend using a shipping method with tracking as we are not responsible for lost or stolen packages once they’re in transit.

Not exactly a question, but we got you. While we have an expert hand inspect every item before it ships out, my nana is only human—be kind! If you’re experiencing any issues with a product, please reach out to hello@heighthdefense.com, and she’ll make things right.