
In StockSave 11%
Type
parts
Last Seen
May 19, 2026
CMMG Gunbuilder Lower Parts Kit MK3 - 38CA61A
Sold byPalmetto State Armory•Posted May 18, 2026
Compare prices for CMMG Mk3 Customizable LR-308 Lower Receiver Parts Kit$45.49
$50.99
You save $5.50 (11% off)
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Deal Summary
- Currently in stock.
- Category: parts
Price History
Deal Details
The CMMG Mk3 Gun builders kit includes most of the necessary parts to build up your lower group except the commonly upgraded parts. Does not include Fire Control Group, and pistol grip. Compatible with CMMG Mk3 Lowers and most LR308 type lowers.Please note that not all 308 lowers are the same. The CMMG MK3 lower parts kit is designed to work with CMMG lowers, and are "Mil-Spec". This parts kit is not compatible with PSA PA-10 lower receivers.
UPC Price Comparison
Live retailer pricing for UPC 815835015415 using the same comparison feed as the compare tool.
Found 7 retailers carrying this product
Lowest Price: $36.99
Highest Price: $45.49
You Save: $8.50
Avg Discount: 14% off

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CMMG Gunbuilder Lower Parts Kit MK3 - 38CA61A
CmmgPalmetto State Armory
$45.49$50.99Save 11%
View at Palmetto State Armory