ATI Outdoors AR-15 Pistol Grip Screw and Star Lock Washer – A.5.10.2548

Product Overview

The ATI Outdoors AR‑15 pistol grip screw and star lock washer (part number A.5.10.2548) is a must‑have upgrade for shooters who demand consistent performance from their rifles. Designed specifically for the AR‑15 platform, this hardware set combines a high‑strength screw with a patented star‑shaped lock washer to lock the pistol grip firmly in place, eliminating any unwanted movement or loosening during intense use.

Key Features & Benefits

• Precision‑Engineered Thread: The screw is machined to exact tolerances, ensuring a perfect fit with all standard AR‑15 pistol grips.
• Star Lock Washer Technology: The unique star‑shaped washer distributes load evenly, providing superior grip retention compared to traditional flat washers.
• Corrosion‑Resistant Steel: Constructed from hardened, zinc‑coated steel, the hardware resists rust and environmental wear, extending the life of your firearm.
• Easy Installation: Fits standard AR‑15 grip screws; install with a basic set of hand tools in minutes.
• Enhanced Safety: Eliminates the risk of a loose grip during rapid fire or adverse conditions, giving you confidence on the range or in the field.
• Compatibility: Fully compatible with all AR‑15 pistols, rifles, and SBRs that use the standard grip screw size (M3.5 x 0.6).

Technical Specifications

Why Choose ATI Outdoors?

ATI Outdoors has built a reputation for delivering rugged, reliable components that meet the exacting standards of military, law‑enforcement, and civilian shooters. Each product undergoes rigorous quality control and testing to ensure it performs under the toughest conditions. When you purchase the AR‑15 pistol grip screw and star lock washer from ATI Outdoors, you’re investing in a component that will keep your grip secure for thousands of rounds.

Installation Guide

1. Remove the existing grip screw using a suitable screwdriver or hex key.
2. Place the star lock washer onto the screw threads, ensuring the star pattern faces the grip.
3. Insert the screw through the pistol grip mounting hole.
4. Tighten the screw to the manufacturer‑recommended torque (approximately 5–7 in‑lb). The star lock washer will compress and lock the grip in place.
5. Verify that the grip is firmly seated and does not wobble when pressure is applied.

Customer Reviews

"I replaced my original screw with this ATI set and noticed an immediate difference. The grip stays locked even after several hundred rounds. Highly recommend!" – Mike T., Competitive Shooter

"Solid build quality and easy to install. The star washer really prevents any loosening during long training sessions." – Sarah L., Law Enforcement Officer

Frequently Asked Questions

Is this screw compatible with aftermarket pistol grips?

Yes. The screw conforms to the standard AR‑15 grip thread, making it compatible with virtually all aftermarket grips.

Can I use this hardware on a pistol‑caliber AR‑15?

Absolutely. The dimensions and thread pitch are identical across AR‑15 platforms, regardless of caliber.

Do I need any special tools for installation?

No special tools are required. A standard flat‑head or Phillips screwdriver (depending on the grip design) will suffice.

Packaging & Shipping

Each package contains one precision‑machined screw and one star lock washer, securely sealed in a tamper‑evident polybag. Shipping is handled through trusted carriers with tracking to ensure timely delivery.

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