1. Remington Magazine Tube Extension Remington 870 12 Gauge Steel Blue
    Remington Magazine Tube Extension Remington 870 12 Gauge Steel Blue 4.6 (43 Reviews) Available View More Options
  2. Remington Magazine Tube Extension Remington 870 12 Gauge Steel Parkerized Matte
    Remington Magazine Tube Extension Remington 870 12 Gauge Steel Park... 4.8 (20 Reviews)
    $53.99 - $64.99
    Mixed Availability View More Options
  3. Choate Magazine Tube Extension Remington 870, 1100, 11-87 12 Gauge Parkerized
    Choate Magazine Tube Extension Remington 870, 1100, 11-87 12 Gauge ... 4.3 (88 Reviews)
    $44.99 - $45.99
    Mixed Availability View More Options
  4. Scattergun Technologies Magazine Tube Extension Remington 870, 1100, 11-87 12 Gauge 2-Round Parke...
    Scattergun Technologies Magazine Tube Extension Remington 870, 1100... 4.7 (18 Reviews)
    $46.99
    Available
  5. Choate Magazine Tube Extension Remington 870, 1100 Lightweight 20 Gauge Blue
    Choate Magazine Tube Extension Remington 870, 1100 Lightweight 20 G... 4.7 (35 Reviews)
    $42.99 - $45.99
    Mixed Availability View More Options
  6. Choate Magazine Tube Extension with Sling Swivel Base Clamp Remington 870, 1100, 11-87 12 Gauge Blue
    Choate Magazine Tube Extension with Sling Swivel Base Clamp Remingt... 4.6 (48 Reviews)
    $42.99 - $45.99
    Mixed Availability View More Options
  7. Mesa Tactical Magazine Extension Tube Clamp with Picatinny Rail Remington 870, 1100, 11-87, Mossb...
    Mesa Tactical Magazine Extension Tube Clamp with Picatinny Rail Rem... 3.0 (6 Reviews)
    $84.99
    Available
  8. TacStar Magazine Tube Extension Remington 870 12 Gauge 5-Round Black
    TacStar Magazine Tube Extension Remington 870 12 Gauge 5-Round Black 5.0 (3 Reviews)
    $59.99
    Available
  9. GG&G Magazine Tube Extension Remington 870, 1100, 1187 12 Gauge 2-Round Aluminum Black
    GG&G Magazine Tube Extension Remington 870, 1100, 1187 12 Gauge 2-R... Available
  10. Scattergun Technologies Magazine Tube Extension with Side Sling Mount Right Hand Remington 870, 1...
    Scattergun Technologies Magazine Tube Extension with Side Sling Mou... 4.7 (18 Reviews)
    $46.99
    Mixed Availability View More Options
  11. Scattergun Technologies Magazine Tube Extension with Quick-Detachable Universal Sling Stud Reming...
    Scattergun Technologies Magazine Tube Extension with Quick-Detachab... 4.8 (11 Reviews)
    $46.99
    Available
  12. Scattergun Technologies Magazine Tube Extension with Vertical Sling Mount Remington 870, 1100, 11...
    Scattergun Technologies Magazine Tube Extension with Vertical Sling... 4.5 (10 Reviews)
    $46.99
    Available View More Options
  13. Remington Magazine Spring Retainer Remington 870, 1100 12 Gauge Metal
    Remington Magazine Spring Retainer Remington 870, 1100 12 Gauge Metal 4.4 (12 Reviews)
    $5.99
    Available
  14. Remington Magazine Spring Remington 870 Super Magnum, Express 12, 16, 20 Gauge and 1100 16, 20 Gauge
    Remington Magazine Spring Remington 870 Super Magnum, Express 12, 1... 4.0 (3 Reviews)
    $5.99
    Available
  15. TacStar Magazine Tube Extension Remington 870, 1100, 11-87 12 Gauge Black
    TacStar Magazine Tube Extension Remington 870, 1100, 11-87 12 Gauge... 4.4 (12 Reviews)
    $59.99
    Available View More Options
  16. Nordic Components Magazine Extension Tube Nut Only Remington 870, 1100, 11-87, 105 CTi 12 Gauge M...
    Nordic Components Magazine Extension Tube Nut Only Remington 870, 1...
    $28.45
    Available
  17. Remington Magazine Spring Retainer Remington 870, 1100, 11-87 12, 16 Gauge Polymer
    Remington Magazine Spring Retainer Remington 870, 1100, 11-87 12, 1... 4.6 (7 Reviews)
    $6.99
    Available
  18. Remington Magazine Extension Clamp With Sling Swivel 870, 11-87 12 Gauge Steel Parkerized
    Remington Magazine Extension Clamp With Sling Swivel 870, 11-87 12 ... 3.7 (7 Reviews)
    $39.99
    Available
  19. Scattergun Technologies Magazine Tube Extension with Side Sling Mount Left Hand Remington 870, 11...
    Scattergun Technologies Magazine Tube Extension with Side Sling Mou... 4.0 (5 Reviews)
    $46.99
    Available View More Options
  20. Scattergun Technologies Magazine Tube Spring Remington 870, 1100, 11-87 12 Gauge Extension
    Scattergun Technologies Magazine Tube Spring Remington 870, 1100, 1... 5.0 (8 Reviews)
    $7.99 - $8.99
    Available View More Options
  21. RCI Magazine Extension Remington 870, 1100, 11-87, Versamax +6-Round Aluminum Black
    RCI Magazine Extension Remington 870, 1100, 11-87, Versamax +6-Roun...
    $89.00
    Available
  22. Scattergun Technologies Tactical Magazine Spring and Follower Kit Standard Magazine 12 Gauge Remi...
    Scattergun Technologies Tactical Magazine Spring and Follower Kit S... 3.5 (2 Reviews)
    $12.99
    Available
  23. Mesa Tactical Magazine Extension Tube Clamp with Quick Detach Sling Swivel Remington 870, 1100, 1...
    Mesa Tactical Magazine Extension Tube Clamp with Quick Detach Sling... 3.8 (4 Reviews)
    $69.99
    Available
  24. TacStar Magazine Tube Extension Remington 1100, 11-87 12 Gauge 5-Round Black
    TacStar Magazine Tube Extension Remington 1100, 11-87 12 Gauge 5-Ro... 4.5 (6 Reviews)
    $59.99
    Available
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