Primary Weapons Systems BDE-PUB-A Picatinny Underbarrel Mount
Enhance your firearm’s capabilities with the Primary Weapons Systems BDE-PUB-A Picatinny Underbarrel Mount. This precision-engineered mounting solution allows you to securely attach tactical accessories like weapon lights, laser aiming devices, foregrips, or other gear to the underside of your rifle or shotgun. Designed for reliability in demanding conditions, this mount features a robust quick-detach mechanism that ensures your accessories stay firmly in place during operation while allowing for rapid removal when needed.
Key Features and Benefits
- Secure Picatinny Rail Attachment: The BDE-PUB-A mount interfaces with standard Picatinny rails (MIL-STD-1913), providing a rock-solid platform for your accessories without wobble or movement.
- Quick-Detach Lever System: The innovative lever mechanism allows for tool-free installation and removal in seconds, making accessory changes fast and convenient during training or field use.
- Durable 6061-T6 Aluminum Construction: Machined from high-strength aluminum alloy, this mount offers exceptional durability while keeping weight minimal—perfect for maintaining firearm balance.
- Versatile Positioning: Mount accessories at the optimal position under your firearm’s handguard or barrel for improved ergonomics and functionality.
- Anodized Finish: The hard-anodized black finish provides corrosion resistance and a low-profile appearance that won’t reflect light in tactical situations.
Technical Specifications
The BDE-PUB-A mount is engineered to exacting standards with attention to detail that ensures reliable performance. The mounting surface features a full-length Picatinny rail section with proper spacing and recoil lug engagement to prevent accessory shift under recoil. The clamping mechanism applies even pressure across the rail without damaging the firearm’s finish.
Ideal Applications
This underbarrel mount is perfect for AR-15 platforms, tactical shotguns, and other firearms with Picatinny rail systems. Whether you’re a law enforcement officer, competitive shooter, or responsible civilian, the BDE-PUB-A provides a professional-grade mounting solution for:
- Weapon-mounted lights (WMLs)
- Laser aiming modules
- Vertical foregrips or angled grips
- Bipods or monopods
- Other tactical accessories

Why Choose Primary Weapons Systems?
Primary Weapons Systems has built a reputation for manufacturing high-quality firearm components and accessories that meet the demands of professional users. Their products are designed with input from military, law enforcement, and competitive shooting communities to ensure they perform when it matters most. The BDE-PUB-A mount continues this tradition with precision machining, thoughtful design, and reliable performance.
Why Buy from Texas Gun Store?
At Texas Gun Store, we’re committed to providing our customers with quality firearms and accessories along with exceptional service. Our team has extensive experience with tactical gear and can help you select the right products for your needs. We stand behind everything we sell and offer competitive pricing on premium brands like Primary Weapons Systems.
FAQ: Why Buy from Texas Gun Store?
- Expertise: Our staff includes experienced shooters and firearms enthusiasts who understand the products we sell.
- Quality Selection: We carefully curate our inventory to include reliable, well-made products from trusted manufacturers.
- Customer Service: We’re here to answer your questions before and after your purchase to ensure you’re satisfied.
- Fast Shipping: We process orders quickly so you get your gear when you need it.
- Secure Transactions: Your privacy and security are important to us—we use industry-standard encryption for all transactions.

Installation and Compatibility
Installing the BDE-PUB-A mount is straightforward: simply position it on your firearm’s Picatinny rail, close the lever, and secure the locking mechanism. The mount is compatible with any standard Picatinny rail system and works with most popular accessory brands. For optimal performance, ensure your rail is clean and free of debris before installation.

Order Your BDE-PUB-A Mount Today
Upgrade your firearm with the Primary Weapons Systems BDE-PUB-A Picatinny Underbarrel Mount. Whether you’re building a duty rifle, competition gun, or home defense firearm, this mount provides the secure platform you need for essential accessories. Order now from Texas Gun Store and experience the difference quality mounting hardware makes.
| Manufacturer | Primary Weapons Systems |
| Model | BDE-PUB-A |
| Type | Picatinny Underbarrel Mount |
| Material | 6061-T6 Aluminum |
| Finish | Hard Anodized Black |
| Rail Compatibility | MIL-STD-1913 Picatinny |
| Mounting System | Quick-Detach Lever |
| Weight | Approximately 3.5 oz |
| Length | Approximately 3.25 inches |
| Width | Approximately 1.5 inches |
| Height | Approximately 1 inch |





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