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    Sig Sauer Magazines
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  36. C&H Precision Weapons Systems 1 item
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  48. Daniel Defense 5 items
  49. Dead Air Silencers 10 items
  50. Desert Tech 1 item
  51. DMA Inc. 4 items
  52. DNZ Products 1 item
  53. Double Black 3 items
  54. Doublestar Corp. 2 items
  55. DPMS 1 item
  56. Ed Brown Products 2 items
  57. Edgar Sherman Designs 5 items
  58. Ergo Grips 4 items
  59. FAB Defense 2 items
  60. FailZero 5 items
  61. Faxon Firearms 7 items
  62. FIME Group 1 item
  63. Firefield 1 item
  64. Five Stone Tactical 3 items
  65. FK BRNO 1 item
  66. Flux Defense 6 items
  67. FNH Magazines 9 items
  68. Fortis Manufacturing 12 items
  69. Geissele Automatics 14 items
  70. Gemtech 5 items
  71. GG&G 7 items
  72. Ghost Inc 1 item
  73. Grand Power 1 item
  74. Grey Ghost Precision 23 items
  75. Griffin Armament 3 items
  76. Grip Pod Systems 5 items
  77. GrovTec 17 items
  78. Harris Engineering 1 item
  79. Hawkins Precision 4 items
  80. Heckler & Koch Magazines 14 items
  81. Henry 1 item
  82. Heritage Manufacturing 1 item
  83. HI Viz Shooting Systems 15 items
  84. Hi-Point Firearms 12 items
  85. Hiperfire 6 items
  86. Hogue 29 items
  87. Holosun 2 items
  88. Howa 1 item
  89. HuxWrx 9 items
  90. Icarus Precision 3 items
  91. KAK Industry 22 items
  92. Kalashnikov USA 2 items
  93. Kaw Valley Precision 3 items
  94. KICK-EEZ 9 items
  95. Kimber 28 items
  96. Kinetic Development Group 1 item
  97. KNS Precision 3 items
  98. KRISS USA 1 item
  99. KynSHOT 4 items
  100. Lantac USA 10 items
  101. LaRue Tactical 5 items
  102. LBE Unlimited 29 items
  103. Leapers, Inc. 6 items
  104. Liberty Precision Machine 3 items
  105. Limbsaver 12 items
  106. Lone Wolf Arms 29 items
  107. Luth-AR 41 items
  108. LWRCI 3 items
  109. Magnum Research 1 item
  110. Magpul 4 items
  111. MAUSER 1 item
  112. MDT 7 items
  113. Meprolight 8 items
  114. Mesa Tactical 9 items
  115. Midwest Industries 45 items
  116. Mission First Tactical 2 items
  117. MultiTasker 1 item
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  119. Night Fision 9 items
  120. Nordic Components 15 items
  121. Noveske 6 items
  122. Odin Works 9 items
  123. Otis Technology 1 item
  124. Pachmayr 14 items
  125. Panzer Arms 2 items
  126. Patriot Ordnance Factory 2 items
  127. Phase 5 Weapon Systems 3 items
  128. Primary Weapons Systems 14 items
  129. Primos 4 items
  130. ProMag Magazines 5 items
  131. PROOF Research 10 items
  132. PTR Industries 2 items
  133. Q 4 items
  134. Radian Weapons 12 items
  135. Recover Tactical 4 items
  136. Reptilia 1 item
  137. RISE Armament 10 items
  138. Riton Optics 1 item
  139. Rival Arms 15 items
  140. Rosco Manufacturing 8 items
  141. Rost Martin 1 item
  142. RS Regulate 2 items
  143. Samson Manufacturing Corp 13 items
  144. San Tan Tactical 1 item
  145. SB Tactical 18 items
  146. Scalarworks 3 items
  147. Seekins Precision 7 items
  148. Shadow Systems 1 item
  149. Sharps Bros. 11 items
  150. Shield Arms 1 item
  151. Sig Sauer Magazines 26 items
  152. SilencerCo 26 items
  153. Sons of Liberty Gun Works 11 items
  154. Spike's Tactical 6 items
  155. Strike Industries 13 items
  156. Surefire 5 items
  157. Sylvan Arms 5 items
  158. TacFire Inc. 33 items
  159. Tactical Solutions 2 items
  160. Talon Grips 5 items
  161. TangoDown Inc. 1 item
  162. Tasco 1 item
  163. Timney Triggers USA 15 items
  164. TriggerTech 8 items
  165. Trijicon 5 items
  166. Troy Industries 14 items
  167. True Precision 11 items
  168. TRUGLO 11 items
  169. Tyrant Designs 4 items
  170. Ultradyne USA 6 items
  171. Viridian Weapon Technology 5 items
  172. VLTOR Weapon Systems 3 items
  173. Volquartsen 1 item
  174. Walther 6 items
  175. Warne Scope Rings 1 item
  176. Woox 1 item
  177. XS Sight Systems 5 items
  178. XTech Tactical 2 items
  179. Yankee Hill Machine Co 19 items
  180. Zaffiri Precision 9 items
Color
  1. Black 18 items
  2. Coyote 5 items
  3. Flat Dark Earth 1 item
Thread Pattern
  1. 1/2x28 3 items
  2. 5/8x24 1 item
  3. 13.5x1LH 2 items
Platform
  1. AR-15 1 item
  2. Double Stack Pistol 2 items
  3. Sig Sauer 20 items
  4. Single Stack Pistol 2 items
Caliber
  1. 308 Winchester 1 item
  2. 357 SIG 1 item
  3. 9mm Luger 5 items
Reticle Dot Size
  1. 3 MOA 3 items
  2. 6 MOA 2 items
Reticle
  1. Dot 3 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. 16" 1 item
  8. 24" 1 item
Material
  1. Aluminum 5 items
  2. Polymer 1 item
Footprint
  1. Shield RMSc 1 item
  2. PRO RX 1 item
  3. ROMEO3 1 item
Thread Pitch
  1. 1/2x28 1 item
Inventory
  1. In Stock 50 items
  2. Out of Stock 26 items
Customer Rating
  1. 5
    2 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!

  5. Sig Sauer ROMEO ZERO Micro Reflex Sight
    Sig Sauer ROMEO ZERO Micro Reflex Sight
    Out of stock
    $199.99 $139.99 $159.99 Save $60.00
  6. Sig Sauer ROMEO1 Reflex Sight
    Sig Sauer ROMEO1 Reflex Sight
    Out of stock
    $419.99 $249.99 $279.99 Save $170.00
  7. Sig Sauer Cross .308 Winchester Caliber X-Change Kit
    Sig Sauer Cross .308 Winchester Caliber X-Change Kit
    Out of stock
    $599.99 $699.99 $499.99 $584.99 Save $115.00
  8. Sig Sauer ROMEO3XL 1x35mm 3MOA Open-Reflex Sight
    Sig Sauer ROMEO3XL 1x35mm 3MOA Open-Reflex Sight
    Out of stock
    $909.99 $599.99 Save $310.00
  10. Sig Sauer P365XL 9mm CAL-X Conversion Kit
    Sig Sauer P365XL 9mm CAL-X Conversion Kit
    Out of stock
    $499.99 $414.99 Save $85.00
  12. Sig Sauer P320 9mm 3.6" Optic Ready Slide Assembly
    Sig Sauer P320 9mm 3.6" Optic Ready Slide Assembly
    Out of stock
    $349.99 $299.99 Save $50.00
  13. Sig Sauer P320 9mm 3.9" Optic-Ready Slide Assembly
    Sig Sauer P320 9mm 3.9" Optic-Ready Slide Assembly
    Out of stock
    $349.99 $299.99 Save $50.00
  14. Sig Sauer P320 9mm 4.7" Optic-Ready Slide Assembly
    Sig Sauer P320 9mm 4.7" Optic-Ready Slide Assembly
    Out of stock
    $384.99 $349.99 Save $35.00
  15. Sig Sauer P365X 9mm Spectre Comp 3.1" Optic Ready Slide Assembly
    Sig Sauer P365X 9mm Spectre Comp 3.1" Optic Ready Slide Assembly
    Out of stock
    $499.99 $429.99 Save $70.00
  18. Sig Sauer P365 AXG Aluminum Grip Module without Manual Safety Cut
    Sig Sauer P365 AXG Aluminum Grip Module without Manual Safety Cut
    Out of stock
    $399.99 $312.99 Save $87.00
  19. Sig Sauer Folding Stock Assembly for MCX / MPX
    Sig Sauer Folding Stock Assembly for MCX / MPX
    Out of stock
    $249.99 $219.99 $224.99 Save $30.00
  21. Sig Sauer P320 Skeletonized Flat Trigger
    Sig Sauer P320 Skeletonized Flat Trigger
    Out of stock
    $79.99 $67.99 Save $12.00
  22. Sig Sauer Minimalist Plus Rifle Stock for MCX / MPX
    Sig Sauer Minimalist Plus Rifle Stock for MCX / MPX
    Out of stock
    $249.99 $209.99 Save $40.00
  23. Sig Sauer P229 9mm Threaded Barrel 13.5x1LH
    Sig Sauer P229 9mm Threaded Barrel 13.5x1LH
    Out of stock
    (1)
    $229.99 $194.99 Save $35.00
  24. Sig Sauer P226 9mm Threaded Barrel 13.5x1LH
    Sig Sauer P226 9mm Threaded Barrel 13.5x1LH
    Out of stock
    $229.99 $199.99 Save $30.00
  25. Sig Sauer P938 9mm Threaded Barrel 1/2x28
    Sig Sauer P938 9mm Threaded Barrel 1/2x28
    Out of stock
    $229.99 $189.99 Save $40.00
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