


DPMS DP51655109766 BCG 5.56/300BO Mil-Spec Phosphate Chrome-Lined
Shop DPMS ProductsDPMS | DP51655109766 | MPN: DP51655109766 | UPC: 850032424073 | Phosphate/Chrome Lined | Caliber: 5.56 NATO / .300 Blackout | Category: AR Bolt Carrier Group | Weight: 0.84 lbs
Bolt made of Mil-Spec Carpenter 158 steel, shot peened, high-pressure tested, and magnetic particle inspected. Gas key machined from bar stock, chrome lined and phosphate coated, secured with Grade 8 fasteners and staked per Mil-Spec; carrier phosphate outside and chrome lined inside. Packed dry; grey dusty appearance that darkens with application of lubricant.
Specifications:
- Brand: DPMS
- Model: DP51655109766
- MPN: DP51655109766
- UPC: 850032424073
- Category: AR Bolt Carrier Group
- Caliber: 5.56 NATO / .300 Blackout
- Weight: 0.84 lbs
- Bolt Material: Mil-Spec Carpenter 158 steel
- Bolt Treatments: Shot peened; High pressure tested; Magnetic particle inspected
- Gas Key: Machined from bar stock; Chrome lined; Phosphate coated
- Gas Key Fasteners: Grade 8; Staked per Mil-Spec
- Bolt Carrier Finish: Phosphate exterior; Chrome lined interior
- Finish: Phosphate / Chrome Lined
- Packaging Condition: Packed dry (grey dusty appearance until lubricated)
Technical Specifications
| Finish | Phosphate |
|---|---|
| Weight | 0.84 lbs |
| Manufacturer | DPMS |
| Model | DP51655109766 |
| SKU | A338648 |
| UPC | 850032424073 |
| Availability | In Stock |
Customer Reviews
No reviews yet. Be the first to review this product!
Shipping & Returns
Shipping Information
- Orders typically process within 1-2 business days
- Ships via major carriers with tracking
- Tracking information provided for all orders
- Shipping costs calculated at checkout based on weight and destination
Return Policy
- 30-day return policy on accessories and non-firearms
- Items must be unused and in original packaging
- Contact us for return authorization before shipping items back
- Original shipping costs are non-refundable
Questions?
Contact us at (329) 227-0508 or submit a question for assistance with shipping or returns.
What is MAP Pricing?
MAP stands for Minimum Advertised Price. It's a policy set by manufacturers that limits how low retailers can advertise their prices.
The good news? We can often sell below MAP - we just can't show that price publicly. When you request a price by email or add to cart, you'll see our actual (often lower) price.
This isn't a trick - it's how we stay compliant while still offering you the best deals possible.







