C1 Modular Safety Black
$87.99 at OpticsPlanet · 3 stores
In stock Sale
Best price
$87.49at OpticsPlanet
Out of stock Sale checked Oct 21, 2026
In stock now instead
- C1 Modular Safety Black $87.99at OpticsPlanet
- XTS Anodized Parts Kit Blue $87.99at OpticsPlanet
- Schmid Inside TF Two Stage Nickel Boron - Fire Control Group $86.97at Sportsman's Warehouse
Where to buy
| Store | Price | Availability | Buy | Add to build |
|---|---|---|---|---|
| OpticsPlanet Best price | $87.49Salechecked Oct 21, 2026 | Out of stock | Buy at OpticsPlanet | |
| Rainier Arms | Check priceprice on the store's site | Check store | Buy at Rainier Arms |
Prices and availability change often, so confirm on the store's site before you buy. We may earn a commission from these links.
Similar lower parts in stock
This part is out of stock at every store we track. These similar lower parts are in stock, with today's prices.
XTS Anodized Parts Kit Blue
$87.99 at OpticsPlanet · 2 stores
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Schmid Inside TF Two Stage Nickel Boron - Fire Control Group
$86.97 at Sportsman's Warehouse · 2 stores
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XTS Anodized Parts Kit Bronze
$86.79 at OpticsPlanet · 2 stores
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CMMG ZEROED Gunbuilder's Lower Parts Kit AR-15
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Price history
Dashed line = out of stock. Tracking since Sep 28, 2026.
Show the prices as a table
| Store | Latest | Lowest | Highest |
|---|---|---|---|
| OpticsPlanet | $87.49 | $87.49 | $87.49 |
Since Sep 28, 2026.
About this part
The Lower Parts Kit - Rock River Arms is a lower part from Rock River Arms. One store lists it, OpticsPlanet at $87.49.
Specifications
- Manufacturer
- Rock River Arms
From the manufacturer
Includes the following lower receiver parts:
Pistol Grip
Trigger
Hammer
Disconnector
Selector
Bolt Catch Spring
Detent Spring
Bolt Catch Buffer
Take Down Detent
Bolt Catch
Magazine Catch Spring
Bolt Catch Roll Pin
Magazine Catch Button
Magazine Catch
Front Pivot Pin
Hammer Spring
Trigger Spring
Pistol Grip Screw
Pistol Grip Lock Washer
Selector Spring
Detent Selector
Hammer Pin
Trigger Pin
Take Down Pin
Buffer Retainer Pin
Buffer Retainer Spring
Disconnector Spring
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