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    Sig Sauer Magazines
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  161. Pearce Grip 14 items
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  180. Samson Manufacturing Corp 40 items
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  214. TriggerTech 46 items
  215. Trijicon 39 items
  216. Troy Industries 35 items
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  219. Tyrant Designs 64 items
  220. Ultradyne USA 25 items
  221. Unity Tactical 1 item
  222. US PALM 1 item
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  229. Watchtower - F-1 8 items
  230. Wilson Combat 1 item
  231. WMD Guns 6 items
  232. Woox 17 items
  233. XS Sight Systems 84 items
  234. XTech Tactical 2 items
  235. Yankee Hill Machine Co 85 items
  236. Zaffiri Precision 16 items
Color
  1. Black 55 items
  2. Clear 2 items
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  5. Flat Dark Earth 4 items
  6. Gray 1 item
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  8. Rose Gold 1 item
  9. Stainless Steel 1 item
  10. Tungsten 1 item
Thread Pattern
  1. 1/2x28 4 items
  2. 5/8x24 2 items
  3. 13.5x1LH 2 items
Magnification Range
  1. 1x 17 items
Platform
  1. AR-15 7 items
  2. Double Stack Pistol 13 items
  3. Sig Sauer 46 items
  4. Single Stack Pistol 8 items
Caliber
  1. 308 Winchester 1 item
  2. 357 SIG 2 items
  3. 40 S&W 2 items
  4. 6.5 Creedmoor 1 item
  5. 9mm Luger 9 items
Reticle Color
  1. Green 6 items
  2. Red 17 items
Reticle Dot Size
  1. 2 MOA 1 item
  2. 2 MOA Dot / 32 MOA Circle 8 items
  3. 3 MOA 14 items
  4. 6 MOA 13 items
  5. 8 MOA 1 item
  6. 10 MOA 1 item
Reticle
  1. Circle 1 item
  2. Circle Dot 9 items
  3. Dot 16 items
  4. MOA-Dot 1 item
Attachment Type
  1. MLOK 2 items
Handguard Length
  1. 13" 1 item
  2. 15" 1 item
Handguard Style
  1. Free Float 1 item
Sight Style
  1. Tritium Night Sight 4 items
Battery
  1. AA / CR1632 1 item
  2. CR1632 11 items
  3. CR2032 5 items
Barrel Length
  1. 3.5" 1 item
  2. 3.9" 1 item
  3. 4.3" 1 item
  4. 4.4" 1 item
  5. 4.60" 1 item
  6. 5" 1 item
  7. 5.5" 1 item
  8. 16" 1 item
  9. 18" 1 item
  10. 24" 2 items
Adjustment
  1. MOA 16 items
Material
  1. Aluminum 20 items
  2. Polymer 9 items
  3. Stainless Steel 4 items
  4. Steel 4 items
  5. Steel / Polymer 2 items
Footprint
  1. Shield RMSc 4 items
  2. DeltaPoint Pro 4 items
  3. SIG-LOC 3 items
  4. PRO RX 4 items
  5. ROMEO3 2 items
Thread Pitch
  1. 1/2x28 2 items
Inventory
  1. In Stock 55 items
  2. Out of Stock 19 items
Customer Rating
  1. 5
    11 items

Gun Parts

Whether you’re looking for a quality trigger upgrade for your Glock® pistol or AR-style carbine, an ergonomic pistol grip for your sporting rifle, drop-in magwell upgrade, or an ergonomic pistol brace, we at GunMag Warehouse offer a wide selection of gun parts and upgrades from top-selling brands like SB Tactical®, Magpul®, Tyrant Designs®, Sig Sauer®, and more. Shop our full collection of gun parts today!

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  1. Sig Sauer Grip Module w/ Manual Safety for Sig Sauer P365 X-Macro / XL
    Sig Sauer Grip Module w/ Manual Safety for Sig Sauer P365 X-Macro / XL
    $99.99 $82.99 $89.99 Save $17.00
  3. Sig Sauer ROMEO-X Pro Enclosed Reflex Sight
    Sig Sauer ROMEO-X Pro Enclosed Reflex Sight
    Coupon Available
    $529.99 $589.99
  9. Sig Sauer ROMEO-MDC Reflex Sight
    Sig Sauer ROMEO-MDC Reflex Sight
    Coupon Available
    $249.99 $199.99 Save $50.00
  11. Sig Sauer P320 9mm PRO-CUT 3.9" Optic Ready Slide Assembly
    Sig Sauer P320 9mm PRO-CUT 3.9" Optic Ready Slide Assembly
    (1)
    $449.99 $369.99 Save $80.00
  19. Sig Sauer Grip Module for P365 Pistols
    Sig Sauer Grip Module for P365 Pistols
    $69.99
  22. Sig Sauer P365 Flat Trigger
    Sig Sauer P365 Flat Trigger
    (4)
    $49.99 $43.99 Save $6.00
  24. Sig Sauer ROMEO-RS COMPACT Dot Sight
    Sig Sauer ROMEO-RS COMPACT Dot Sight
    $149.99 $199.99
  28. Sig Sauer ROMEO3MAX 1x30mm 6MOA Open-Reflex Sight
    Sig Sauer ROMEO3MAX 1x30mm 6MOA Open-Reflex Sight
    Coupon Available
    $909.99 $629.99 Save $280.00
  30. Sig Sauer ROMEO1 Pro Reflex Sight
    Sig Sauer ROMEO1 Pro Reflex Sight
    Free Shipping
    $459.99 $314.99 Save $145.00
  32. Sig Sauer M400 Tread M-LOK Handguard
    Sig Sauer M400 Tread M-LOK Handguard
    $149.99 $119.99 Save $30.00
  33. Sig Sauer Cross .308 Winchester Caliber X-Change Kit
    Sig Sauer Cross .308 Winchester Caliber X-Change Kit
    $599.99 $699.99 $499.99 $584.99 Save $115.00
  34. Sig Sauer P320 9mm PRO-CUT 4.7" Optic Ready Slide Assembly with XRAY3 Suppressor Height Sights
    Sig Sauer P320 9mm PRO-CUT 4.7" Optic Ready Slide Assembly with XRAY3 Suppressor Height Sights
    Out of stock
    $449.99 $374.99 Save $75.00
  36. Sig Sauer P365X 9mm Spectre Comp 3.1" Optic Ready Slide Assembly
    Sig Sauer P365X 9mm Spectre Comp 3.1" Optic Ready Slide Assembly
    $499.99 $429.99 Save $70.00
  37. Sig Sauer ROMEO2 Red Reflex Sight
    Sig Sauer ROMEO2 Red Reflex Sight
    $909.99 $1,039.99 $699.99 $799.99 Save $240.00
  39. Sig Sauer P365 AXG Aluminum Grip Module without Manual Safety Cut
    Sig Sauer P365 AXG Aluminum Grip Module without Manual Safety Cut
    $299.99 $399.99 $245.99 $346.99 Save $54.00
  40. Sig Sauer X-Series Grip Module for P320 Full Size 9 / 40 Medium
    Sig Sauer X-Series Grip Module for P320 Full Size 9 / 40 Medium
    $89.99 $74.99 Save $15.00
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