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CMMG
Overview
The CMMG 38CA61A AR MK3 Lower Parts Gun Builder KIT 308 Lower Black is a lower receiver. Compare prices from multiple merchants and find the best deal.
Specifications
CMMG 38CA61A AR MK3 Lower Parts Gun Builder KIT 308 Lower Black
Available Merchants(9)
Prices checked
Price Alert
September 2026 on GunPartPicker
CMMG 38CA61A AR MK3 Lower Parts Gun Builder KIT 308 Lower Black ranked #248 of the 477 lower receivers builders added on GunPartPicker in September 2026. Builders have been adding it to their builds on GunPartPicker since March 2026. All time, it ranks #340 of the 1,055 lower receivers builders have added.
Availability is good: it was in stock at one retailer or another nearly every day in September 2026, and today 7 of the 9 retailers we track have it in stock. The best price crept up from $37.78 to $40.63 over September 2026. Buying today, the lowest price is $39.42 at Classic Firearms, above September's low of $36.99, so a better deal may come back.
Updated · from real builds on GunPartPicker · Prices checked · refreshed daily across 37 retailers
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