AR-15 Omega Stock Ambi Mil Spec Lower Parts Build Kit

AR-15 Omega Lower Parts Build Kit-FREE SHIPPING

Precision. Reliability. American Craftsmanship.

Upgrade or complete your AR-15 lower with the Omega Lower Parts Build Kit – a complete, high-quality solution trusted by builders and firearm enthusiasts across the country. Available in Standard and Ambidextrous configurations, this kit includes everything you need to complete your lower receiver with confidence.

✅ Standard Lower Build Kit Includes:

✅ Omega 6-Position Mil-Spec Stock
Offers adjustable length-of-pull for a secure, custom fit – delivering comfort and control.

✅ Nitride End Plate
Corrosion-resistant and highly durable for long-term performance.

✅ 3.5 oz Carbine Buffer
Precision-weighted to ensure smooth, consistent recoil and cycling.

✅ Mil-Spec Carbine Buffer Tube
Rugged and reliable – built for seamless integration with standard AR-15 components.

✅ Complete ELG Lower Parts Kit with Fire Control Group
All essential internal parts included – pins, detents, selectors, springs, and a high-performance fire control group.

✅ A2 Pistol Grip
Classic ergonomic design provides a solid grip and traditional AR-15 styling.

✅ Rubber Receiver Wedge (Optional)
Tightens fit between upper and lower receiver to reduce play and enhance shooting stability.

✅ Mil-Spec Castle Nut
Secures buffer tube and end plate for a rock-solid setup.

✅ Carbine Buffer Spring
Maintains optimal tension and reliability through repeated use.

✅ Ambidextrous Lower Build Kit Includes Everything Above, PLUS:

✅ Ambidextrous Safety Selector
Smooth operation from either side – great for left-handed shooters or tactical builds.

✅ Dual Sling End Plate
Supports left or right side sling mounting for enhanced carry versatility.

✅ Extended Takedown & Pivot Pins
Tool-free removal and reassembly – ideal for quick field stripping and cleaning.

✅ Compatibility:

• Fits all Mil-Spec AR-15 lower receivers

• Ideal for rifle builders, first-time assemblers, or anyone upgrading their platform

✅ Why Choose the Omega Lower Build Kit?

✅ Proudly Made in the USA
✅ Precision-Machined Fit and Finish
✅ All-in-One, Hassle-Free Kit
✅ Available in Standard & Ambi Options
✅ Durable, Reliable, and Built to Last

? What’s in the Box?

• 6-Position Omega Stock

• Carbine Buffer Tube

• 3.5 oz Carbine Buffer

• Carbine Buffer Spring

• Mil-Spec Castle Nut

• Nitride End Plate

• Complete ELG Lower Parts Kit w/ FCG

• A2 Pistol Grip

• Rubber Receiver Wedge (Optional)

• Ambi Kit Upgrades (If Selected)

Complete your lower with confidence.
Whether you're building your first AR-15 or adding another to the collection, the Omega Lower Parts Build Kit delivers dependable function and quality – one part at a time.

Browse our full AR-15 parts collection to further customize your build!