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ERGO MOSSBERG 500/590 & SHOCKWAVE 12/20 GAUGE SHOTGUN ADAPTER

$30.99
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. Need replacement hardware? Click here for ERGO Mossberg Hardware Packs For best installation, we suggest using the 3/16 Wrench

ERGO MOSSBERG 12-GAUGE 500/590 RAIL (SHOCKWAVE)

Original price was: $74.99.Current price is: $64.75.
  • M-LOK forend for 12-Gauge Mossberg 500/590
  • M-LOK rails at 3, 6, and 9 o'clock
  • Extremely lightweight and low profile.
  • Hard Black type III anodized 6061-T6 Aluminum
  • Comes complete with 3 black 4332 M-LOK Rail Covers
DETERMINE YOUR SIZE

ERGO MOSSBERG 12-GAUGE 500/590 TRI-RAIL FOREND

$53.75$67.50
ERGO Three Rail Shotgun Forend provides 12-Gauge Mossberg 500/590 shooters with a tri-rail mounting platform for their forend. DETERMINE YOUR SIZE

ERGO DOUBLE SLING LOOP SHOTGUN END PLATE, MOSSBERG 500/590

$25.99
The ERGO Double Sling Loop Shotgun End Plate provides Mossberg 500/590 shooters with an ambidextrous sling point. If used with a pistol grip stock a longer screw may be needed.

Mossberg Replacement Hardware Pack

$2.99
The Mossberg hardware pack includes replacement screws and washers.
Inlcudes:
  • 5/16"-18 x 1" Stainless Receiver Screw
  • 1/4"-20 x 1" Black Oxide Grip Screw
  • 5/16" Split Lock Washer
  • 1/4" External Tooth Lock Washer
Replacement hardware for ERGO Stock Adapters:

ERGO MOSSBERG 500/590 11-SLOT PICATINNY OPTIC RAIL MOUNT

Original price was: $29.99.Current price is: $26.75.
Standard M1913 Picatinny Rail configuration with anodized flat black made of  6061 T6 anodized aluminum to be light-weight, long-lasting, and durable. For best installation, we suggest using the 3/32 Wrench

ERGO KEYMOD MOSSBERG 12-GAUGE RAIL

Original price was: $99.99.Current price is: $74.50.
  • Keymod forend for 12-Gauge Mossberg 500.
  • Keymod rails at 3, 6, and 9 o'clock
  • Extremely lightweight and low profile.
  • Hard Black type III anodized 6061-T6 Aluminum