P80 G150 AR-15 80% Receiver Kit – OD Green
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Expert review
About this product
The P80 G150 AR-15 80% Receiver Kit in OD Green is a complete platform for building a custom rifle from an unfinished lower receiver. It includes everything needed for machining and finishing except the drill press and safety equipment. This kit targets builders who want full control over their firearm's specification without the paperwork of a serialized receiver.
What is the P80 G150 AR-15 80% Receiver Kit used for?
This kit is designed for building a custom AR-15 from an 80% lower receiver that requires final machining. You'll need a drill press, vise, and basic machining skills to complete the fire control pocket and trigger pin holes. The included Easy Jig Gen 3 provides precise guidance for this operation, resulting in a functional lower ready for parts installation.
How does the P80 G150 compare to the 80% Lower Fire/Safe Marked – Anodized Black?
The P80 G150 kit offers superior corrosion resistance with its H-232Q Cerakote finish compared to standard anodizing on the Fire/Safe model. While the Fire/Safe lower includes pre-engraved safety markings, the G150's Cerakote provides 500+ hours of salt spray resistance versus about 168 hours for Type III hardcoat anodizing. For humid environments or hard use, the G150's finish is objectively better protection.
What does it weigh and what are the dimensions?
The forged 80% lower receiver weighs 9.8 ounces before machining with dimensions of 7.5 inches long by 2.25 inches wide. The complete kit including jig and tooling ships in a box measuring 12x8x6 inches with a total weight of 4.2 pounds. The receiver material removal during machining typically reduces weight by approximately 1.5 ounces depending on your tool path.
Who is this NOT for?
This kit is not for first-time builders without access to proper machining equipment. You need a stable drill press capable of 1000+ RPM and a vise that can secure the jig without deflection. If you're looking for a simple assembly project, consider our complete .308 80% Lower and Parts Kit which includes all necessary components.
What's in the box?
The kit contains one 80% forged lower receiver, one Easy Jig Gen 3 with alignment pins, one 5/16" end mill, and drill bits sized for trigger and safety selector holes. The jig features military-spec alignment pin tolerances of ±0.002 inches as detailed in our jig alignment specifications article. All components are packaged with protective foam to prevent shipping damage.
Is the P80 G150 worth it at $349?
At $349, this kit provides excellent value for builders needing both a quality receiver and professional-grade jig. The Cerakote finish alone would cost $75-125 if applied aftermarket, while the Easy Jig Gen 3 retails for $149 separately. For serious builders planning multiple projects, the jig's reusability makes this package more economical than buying components individually.
Specs at a glance
Pros & cons
What works
- H-232Q Cerakote provides 500+ hour salt spray resistance - superior to standard anodizing
- Easy Jig Gen 3 maintains ±0.002 inch alignment tolerance for professional results
- 9.8 ounce forged receiver weight balances well with standard uppers
- Includes proprietary 5/16" end mill rated for 10-15 lower completions
Trade-offs
- Requires $200-400 drill press investment if you don't own one
- No fire/safe markings pre-engraved - adds $50-100 for professional engraving
- OD Green finish shows handling marks more readily than black finishes
- Jig alignment pins require periodic replacement after 8-10 uses ($25 kit)
Key attributes
| Receiver Type | Forged 80% lower |
| Material | 7075-T6 aluminum |
| Finish | H-232Q OD Green Cerakote |
| Weight | 9.8 oz (unmachined) |
| Dimensions | 7.5 x 2.25 inches |
| Jig Included | Easy Jig Gen 3 |
| Compatibility | AR-15 platform |
| Tooling Included | 5/16" end mill, drill bits |
Specifications
| Receiver Type | Forged 80% lower |
| Jig Included | Easy Jig Gen 3 |
| Finish | H-232Q OD Green Cerakote |
| Compatibility | AR-15 platform |
| Included Components | 80% lower, jig, tooling |
| Color | OD Green |
Best for
- Custom AR-15 building
- Firearm assembly
- DIY gunsmithing
- Tactical applications
- Recreational shooting
Materials
- Forged aluminum
- Cerakote finish
What's in the box
- Forged 80% lower receiver
- Easy Jig Gen 3
- Tooling kit
Care
Frequently asked questions
- Is it compatible with standard AR-15 parts kits?
- Yes, the P80 G150 uses Mil-Spec dimensions and accepts all standard AR-15 lower parts kits. The fire control pocket requires final machining to exactly 0.335 inches wide x 1.180 inches long. I recommend using quality components like those in our .308 parts kit for reliable function.
- Does the jig work with other 80% lowers?
- The Easy Jig Gen 3 is specifically designed for Polymer80's forging patterns. It may not provide proper alignment with billet receivers like our <a href="/products/308-80-lower-billet/">308 80% Lower – Billet</a> due to different external geometry. Always verify jig compatibility before purchasing.
- How long does machining take?
- A competent builder can complete the machining in about 2-3 hours working carefully. The process involves three main operations: drilling the trigger pin holes, milling the fire control pocket, and drilling the safety selector hole. Allow additional time for setup and measurement verification.
- Can I use a handheld drill instead of a press?
- No, a drill press is mandatory for achieving the perpendicular holes required for reliable function. Hand drills introduce angular error that can cause trigger group misalignment. The jig requires a minimum 8-inch throat depth press for proper clearance.