Phase 5 Magazine Release Button – Black (PMRBLK) for AR‑15
Experience a seamless transition between magazines with the Phase 5 Magazine Release Button designed specifically for AR‑15 platforms. Finished in a sleek, matte black (PMRBLK), this mag release button combines rugged durability with a smooth, tactile feel, making it the ideal upgrade for tactical shooters, competitive marksmen, and everyday gun owners.
Key Benefits
- Instant Magazine Release: Engineered for a crisp, reliable click that ejects the magazine quickly and consistently.
- Robust Construction: Forged from high‑grade aircraft aluminum alloy with a black anodized finish that resists corrosion, wear, and harsh environments.
- Lightweight Design: Maintains the balance of your AR‑15 while adding minimal weight—perfect for long‑range shooting sessions.
- Enhanced Ergonomics: Low‑profile shape provides an intuitive thumb placement for rapid magazine changes under pressure.
- Universal Compatibility: Fits all standard AR‑15 lower receivers and works flawlessly with both direct‑impingement and piston‑driven systems.
- Easy Installation: Comes with a full set of mounting hardware; install with basic hand tools in minutes.
Product Specifications
| Specification | Details |
|---|
| Model | Phase 5 Magazine Release Button – Black (PMRBLK) |
| Compatibility | AR‑15 lower receivers (mil-spec and commercial) |
| Material | Aircraft‑grade aluminum alloy with black anodized coating |
| Finish | Matte black (PMRBLK) – UV‑stable, corrosion‑resistant |
| Dimensions | Length: 1.45 in (36.8 mm) | Width: 0.65 in (16.5 mm) |
| Weight | 0.12 lb (55 g) |
| Installation Hardware | Includes two screws, spring, and lock washer (standard AR‑15 thread pitch) |
| UPC | 813318023964 |
Why Choose Phase 5?
Phase 5 has built a reputation for delivering high‑performance firearm components that stand up to the most demanding conditions. The Magazine Release Button reflects this commitment through meticulous machining, rigorous quality control, and a focus on user‑centric design.
Installation Guide – Quick Overview
- Remove the existing mag release button by unscrewing the two mounting screws.
- Insert the Phase 5 button into the lower receiver, ensuring the spring is correctly positioned.
- Tighten the supplied screws to the recommended torque (approximately 20‑25 in‑lb).
- Test the button’s function by cycling a loaded magazine; the release should feel smooth and decisive.
Customer Reviews
“The new Phase 5 mag release feels like it was custom‑made for my rifle. The click is crisp, and I’ve never had a sticky release on the range.” – James M., Competitive Shooter
“I love the matte black finish—it blends perfectly with my low‑profile build and shows no signs of wear after months of outdoor use.” – Lisa T., Tactical Enthusiast
FAQ
Is this button compatible with aftermarket lower receivers?
Yes. The Phase 5 mag release button works with all standard AR‑15 lower receivers, including mil‑spec, commercial, and most aftermarket variants.
Do I need special tools to install it?
No special tools are required. A standard AR‑15 armorer’s wrench or a 5‑mm Allen key will suffice for the installation.
Can I replace the spring if it wears out?
Absolutely. The spring is included in the package and can be swapped out with a compatible aftermarket spring if desired.
Add to Cart – Upgrade Your AR‑15 Today© 2026 Phase 5 – All rights reserved.
