In StockSave 14%
Type
parts
Last Seen
May 20, 2026
CMMG Inc Fastback Receiver Extension Mil-Spec Black
Sold byOptics Planet•Posted Apr 27, 2026
Compare prices for CMMG Fastback Mil-Spec AR-15, LR-308 Buffer Tube Aluminum Black$51.39
$59.95
You save $8.56 (14% off)
Price and stock data refresh continuously from Optics Planet.
Deal Summary
- Currently in stock.
- Category: parts
- UPC: 810046230572
- SKU: 2CM-RBT-FRE-55CA93E
- Brand: Cmmg
Price History
Deal Details
CMMG Inc Fastback Receiver Extension Mil-Spec Black. The Fastback Receiver Extension attaches to any firearm that accepts a Mil-Spec receiver extension (buffer tube). Once installed this allows you to easily pull the stock (or brace) back to an extended position without pressing a release button. Specifications for CMMG Inc Fastback Receiver Extension: Manufacturer: CMMG Color: Black Finish: Anodized Fabric/Material: Aluminium Condition: New Features of CMMG Inc Fastback Receiver Extension Fastb
Other Offers for This Product
Active offers from your catalog for CMMG Fastback Mil-Spec AR-15, LR-308 Buffer Tube Aluminum Black.
Comparing 3 retailers carrying this product
Lowest Price: $51.39
Highest Price: $56.15
You Save: $4.76
Avg Discount: 5% off
CMMG Inc Fastback Receiver Extension Mil-Spec Black
CmmgOptics PlanetSKU/UPC: 2CM-RBT-FRE-55CA93E
$51.39$59.95Save 14%
View at Optics Planet
CMMG Fastback Mil-Spec AR-15, LR-308 Buffer Tube Aluminum Black
CmmgMidwayUSASKU/UPC: 105792
$52.99
View at MidwayUSA
Ar-15 Fastback Receiver Extension - Ar-15 Fastback Receiver Extension Mil-Spec
CmmgBrownellsSKU/UPC: 100054310
$56.15
View at Brownells