Black Rain Ordnance GI Lower Parts Kit – 5.56mm
$51.87
The Black Rain Ordnance GI Lower Parts Kit provides all the necessary components to complete your 5.56mm AR-15 lower receiver build.
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Description
Includes:
- GI Grip
- Buffer Retainer
- Trigger Guard
- Trigger Guard Roll Pin
- Safety Selector
- Bolt Catch Spring
- Bolt Catch Retainer
- Bolt Catch
- Bolt Catch Roll Pin
- Mag Catch
- Take Down / Pivot Pin Spring x 2
- Take Down / Pivot Pin Detents x 2
- Mag Catch Spring
- Mag Release Button
- Pivot Pin
- Disconnector (MIL – SPEC)
- Trigger (MIL – SPEC)
- Trigger Spring
- Grip Screw
- Star Washer
- Selector Spring
- Selector Detent
- Trigger / Hammer Pins (GI) x 2
- Take Down Pin
- Disconnector Spring
- Hammer Spring
- Hammer (MIL – SPEC)
Additional information
| Weight | 0.615 lbs |
|---|---|
| Dimensions | 10.500 × 7.000 × 1.750 in |
| Manufacturer | Black Rain Ordnance Inc |
| Finish | N/A |
| Weight | N/A |
| Compatible With | 5.56mm |
| Material | Various |
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About brand
Black Rain Ordnance Inc is a reputable manufacturer known for its high-quality firearms, particularly AR-style rifles. With a focus on precision engineering and innovative designs, they offer a diverse range of products that cater to both tactical and recreational shooting enthusiasts.
Shipping and Delivery
PROCESSING & SHIPPING
Orders typically ship within 1–3 business days (Monday–Friday) after payment and all required documentation are received. Time to arrival after shipment depends on the carrier. Shipping method is at BT Gun Company’s discretion; ammunition and oversized accessories are charged at actual shipping cost. We do not ship to Hawaii or Alaska.
FIREARM TRANSFERS
- Firearms must ship to a licensed FFL dealer of your choosing — confirm with them first that they can accept the transfer.
- Your receiving FFL will need to email their license to [email protected] before we can ship.
- Inspect your firearm at your FFL’s location before signing ATF Form 4473 — once signed, the firearm is considered accepted.
You’re responsible for knowing the firearms laws in your state before ordering. For complete shipping, returns, and restocking-fee policy details, see our Shipping & Returns page.

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