In StockSave 17%
Type
parts
Last Seen
May 19, 2026
Ar-15 Mk4 Receiver Extension Nut
Sold byBrownells•Posted Apr 28, 2026
Compare prices for CMMG Mk4 AR-15, LR-308 Buffer Tube Lock Ring$6.99
$8.46
You save $1.47 (17% off)
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Deal Summary
- Currently in stock.
- Category: parts
Price History
Deal Details
Replacement AR-15 Mk4 Receiver Extension Nut. Mfg: Cmmg
UPC Price Comparison
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