In Stock
Shockwave 12/20 Gauge Adapter For Mossberg 500/590 - Shockwave 12/20 Gauge Adapter For Mossberg 500/590 Black
Sold byBrownells•Posted Apr 28, 2026
Compare prices for ERGO Telescoping Stock Adapter for Mossberg 500$27.00
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Deal Summary
- Currently in stock.
- Caliber: 20 gauge
- Category: parts
- UPC: 874748005173
- SKU: 430104877
- Brand: Ergo
Price History
Deal Details
Use the ERGO Adaptor to install an AR stock/brace & pistol grips on your Mossberg 500/590 shotguns. Accommodates mil spec or commercial buffer tubes. ALL NFA RULES APPLY Compatible with both 590 Models & Shockwave. Use any style AR stock/brace and pistol grip combination ALL NFA RULES APPLY Accommodates mil spec or commercial buffer tubes This adapter has the proper drop designed in, so factory sights can be used. (Bead, Rifle, and Ghost Ring Sights) Made from glass filled polymer I
Other Offers for This Product
Active offers from your catalog for ERGO Telescoping Stock Adapter for Mossberg 500.
Comparing 4 retailers carrying this product
Lowest Price: $16.00
Highest Price: $35.33
You Save: $19.33
Avg Discount: 3% off
Ergo 4454 Stock Adapter Polymer Black for Mossberg 500, 590 & Shockwave
ErgoHinterland OutfittersSKU/UPC: 208742
$16.00
View at Hinterland OutfittersShockwave 12/20 Gauge Adapter For Mossberg 500/590 - Shockwave 12/20 Gauge Adapter For Mossberg 500/590 Black
Ergo GripsBrownellsSKU/UPC: 430104877
$27.00
View at Brownells
Ergo MOSS 500 Tactical Stock Adapter Black
ErgoGrabAGunSKU/UPC: GAG_RES-EG4454
$35.00$39.00Save 10%
View at GrabAGun