"Hush" Suppressor-Ready 5.56 11.5" AR-15 - Lower - Team Dream Build
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6 Magazines Per Order: Due to extreme volume, we are limiting sales of magazines to 6 per customer order. This applies to individual and bundled magazines. AT3 reserves the right to cancel any order over the 6 magazine limit.
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“Hush” Suppressor-Ready 5.56 11.5″ AR-15 Lower Kit – Team Dream Build
Features
- Lower kit based on the Hush Team Dream Build suppressor-ready 5.56 SBR configuration
- AT3 AT-15 stripped lower receiver gives the build a forged AR-15 foundation
- Law Tactical folding stock adapter helps reduce overall storage length when the rifle is folded
- Magpul STR stock, MOE+ grip, and grip-core lubrication bottle add practical storage and handling upgrades
- AT3 H1 buffer and flat wire buffer spring support a smoother recoil system for a short 5.56 setup
- Rise Armament RAVE 140 trigger gives the lower a clean single-stage trigger pull
- Sylvan Arms flared magwell with integral trigger guard supports faster reloads and a more built-out lower profile
- Timber Creek QD end plate and extended magazine release add practical sling and control upgrades
- Magpul PMAG and magazine assists round out the support gear for the complete Hush build
The “Hush” Suppressor-Ready 5.56 11.5″ AR-15 Lower Kit is the stocked lower half of the Hush Team Dream Build, built to support a compact suppressed 5.56 setup without chasing lightweight parts just for the sake of it. The Law Tactical folding adapter, Magpul STR stock, H1 buffer, flat wire spring, Rise trigger, and upgraded controls give this lower the rugged, practical feel that matches the short suppressed upper. It is heavier than a stripped-down minimalist lower, but that weight comes from parts chosen for durability, folding storage, and a more complete hard-use setup.
Note: This product page is for the lower kit only. The matching Hush Suppressor-Ready 5.56 upper kit is sold separately and can be paired with this lower, but assembling these components in the intended Dream Build configuration creates a short-barreled rifle. NFA rules and processes apply, and it is the purchaser’s responsibility to ensure any final configuration complies with all applicable federal, state, and local laws before assembly.
Kit Note: This product is sold as a parts kit, and final assembly is up to the purchaser. Parts and accessories are subject to change due to unforeseen shortages, compatibility updates, or compliance changes. Any substitutions will be of equal or greater value and will be noted in this product listing.
Specifications
- Build: Hush Suppressor-Ready 5.56 11.5″ AR-15 Lower Kit
- Platform: AR-15
- Caliber: Multi / 5.56 NATO Build Configuration
- Lower Receiver: AT3 AT-15 Stripped Lower Receiver
- Trigger: Rise Armament RAVE 140 Single-Stage Curved Trigger
- Grip: Magpul MOE+ Grip with Storage Compartment
- Stock: Magpul STR Carbine Stock, Mil-Spec
- Folding Adapter: Law Tactical Gen 3-M Folding Stock Adapter
- Buffer Tube: Mil-Spec AR-15 Buffer Tube
- Buffer: AT3 H1 Heavy Buffer
- Buffer Spring: AT3 Flat Wire AR-15 Buffer Spring
- End Plate: Timber Creek QD End Plate
- Castle Nut: AT3 Castle Nut for AR-15 Buffer Tubes
- Magwell / Trigger Guard: Sylvan Arms Flared Magwell with Integral Trigger Guard
- Magazine Release: Timber Creek Extended Magazine Release
- Magazine: Magpul PMAG M3 30-Round AR-15 Magazine
What’s Included
Lower Assembly Components:
- AT3 AT-15 Stripped Lower Receiver
- Rise Armament RAVE 140 Single-Stage AR-15 Trigger with Anti-Walk Pins – Gen 2 – Curved
- AT3 Pro-Builder AR-15 Lower Parts Kit – No Grip or Trigger Assembly
- Sylvan Arms AR-15 Flared Magwell with Integral Trigger Guard
- Timber Creek Outdoors Extended Magazine Release
Buffer System & Furniture:
- Law Tactical AR-15/AR-308 Folding Stock Adapter Gen 3-M
- Magpul STR Carbine Stock – Mil-Spec
- Magpul MOE+ Grip with Storage Compartment
- Magpul 1/2 oz Lubrication Bottle Grip Core for MOE and MIAD Pistol Grips
- AT3 Mil-Spec AR-15 Buffer Tube
- AT3 Flat Wire AR-15 Buffer Spring
- AT3 H1 Heavy Buffer
- Timber Creek Outdoors QD End Plate
- AT3 Castle Nut for AR-15 Buffer Tubes
Magazine & Accessories:
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Warranty & returns
Backed by the AT3 Lifetime Warranty!

All AT3 Tactical Brand Products carry a lifetime warranty against manufacturer’s defects.
This includes AT3 Red Dot Sights, Handguards, Iron Sights, and any other product that carries the “AT3 Tactical” or “AT3™” name. For other brands (ex. Magpul or Troy), please refer to the manufacturer’s warranty policy.
In the event that your AT3™ product becomes unusable, we will repair or replace the product at no charge to you.
If we cannot repair your product, we will replace it with a product in perfect working order of equal or better physical condition. The warranty is fully transferable, but we may require information about the original purchase to validate the authenticity of the product.
If your product is in need of warranty service, please contact AT3 Tactical to start the process
Our contact info is available here. To expedite processing, please provide your order information and description of the defect.
Please note: The AT3 Lifetime Warranty does not cover loss, theft, intentional damage or cosmetic damage that doesn’t affect the performance of the product.

