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    PROOF Research
Brand
  1. 1791 Gunleather 3 items
  2. Accu-Tac 10 items
  3. Adaptive Tactical 9 items
  4. Advantage Arms 27 items
  5. Aero Precision 66 items
  6. Aim Sports Inc 50 items
  7. Aimpoint 2 items
  8. ALG Defense 8 items
  9. Allen 28 items
  10. Amend2 4 items
  11. American Defense Manufacturing 4 items
  12. American Tactical Imports 3 items
  13. Ameriglo 49 items
  14. Anderson Manufacturing 2 items
  15. Angstadt Arms 12 items
  16. Apex Tactical 33 items
  17. Archon Firearms 1 item
  18. Arisaka Defense 11 items
  19. Armageddon Gear 2 items
  20. Armaspec 66 items
  21. Arsenal 3 items
  22. Athlon Optics 9 items
  23. ATI Outdoors 53 items
  24. B&T (Brügger_&_Thomet) 4 items
  25. B&T Industries 40 items
  26. B5 Systems 29 items
  27. Backup Tactical 19 items
  28. Ballistic Advantage 84 items
  29. Ballistic Engineering 5 items
  30. Bastion Gear 11 items
  31. Battle Arms Development 57 items
  32. Beretta 5 items
  33. Bergara 3 items
  34. Black Rain Ordnance 4 items
  35. BlackHawk 25 items
  36. Blue Force Gear 17 items
  37. Blue Line Solutions 1 item
  38. BOG 6 items
  39. Bootleg Inc 11 items
  40. Bravo Company USA 57 items
  41. Bulgarian Magazines 1 item
  42. Bulldog Cases & Vaults 11 items
  43. Burris Optics 6 items
  44. Bushnell 4 items
  45. Butler Creek 7 items
  46. C&H Precision Weapons Systems 5 items
  47. Caldwell Shooting 15 items
  48. Canik 4 items
  49. Carlson's Choke Tubes 89 items
  50. Century Arms 6 items
  51. Chiappa 9 items
  52. Christensen Arms 3 items
  53. CMC Triggers 27 items
  54. CMMG 113 items
  55. Cole-TAC 2 items
  56. Colt 7 items
  57. Combat Application Technologies 3 items
  58. Crimson Trace 16 items
  59. Daniel Defense 22 items
  60. Dead Air Silencers 92 items
  61. Derya Arms 1 item
  62. Desert Tech 1 item
  63. Diamondback 4 items
  64. Die Free Co 2 items
  65. DMA Inc. 177 items
  66. DNZ Products 3 items
  67. Double Black 4 items
  68. Doublestar Corp. 13 items
  69. Ed Brown Products 6 items
  70. Edgar Sherman Designs 10 items
  71. Elftmann Tactical 11 items
  72. Energetic Armament 3 items
  73. EOTech 1 item
  74. Ergo Grips 23 items
  75. Evolution Outdoor 3 items
  76. FAB Defense 42 items
  77. FailZero 15 items
  78. Faxon Firearms 64 items
  79. Fdez Werx 1 item
  80. FightLite 1 item
  81. FIME Group 2 items
  82. Firefield 6 items
  83. FK BRNO 2 items
  84. Flux Defense 32 items
  85. FNH Magazines 17 items
  86. Fortis Manufacturing 42 items
  87. Galco Holsters 1 item
  88. GBRS Group 1 item
  89. Geissele Automatics 40 items
  90. Gemtech 7 items
  91. German Sport Guns (GSG) Magazines 2 items
  92. GG&G 70 items
  93. Ghost Inc 39 items
  94. Global Ordnance 3 items
  95. Glock Magazines 4 items
  96. GPS Outdoors 2 items
  97. Grand Power 10 items
  98. Grey Ghost Gear 2 items
  99. Grey Ghost Precision 27 items
  100. Griffin Armament 21 items
  101. Grip Pod Systems 5 items
  102. GrovTec 78 items
  103. Harris Engineering 9 items
  104. Hawkins Precision 58 items
  105. Heckler & Koch Magazines 35 items
  106. Henry 2 items
  107. Hexmag 1 item
  108. HI Viz Shooting Systems 100 items
  109. Hi-Point Firearms 20 items
  110. Hiperfire 20 items
  111. Hogue 122 items
  112. Holosun 26 items
  113. HuxWrx 28 items
  114. Icarus Precision 6 items
  115. KAK Industry 36 items
  116. Kalashnikov USA 2 items
  117. Kaw Valley Precision 86 items
  118. KCI Magazines 2 items
  119. Kel-Tec 1 item
  120. KICK-EEZ 16 items
  121. Kimber 114 items
  122. Kinetic Development Group 7 items
  123. KNS Precision 119 items
  124. KRISS USA 9 items
  125. KynSHOT 19 items
  126. L.A.G. Tactical, Inc. 1 item
  127. Lancer Systems 6 items
  128. Lantac USA 34 items
  129. LaRue Tactical 15 items
  130. LaserMax 3 items
  131. LBE Unlimited 100 items
  132. Leapers, Inc. 52 items
  133. Liberty Precision Machine 5 items
  134. Limbsaver 17 items
  135. LOC OutdoorZ 1 item
  136. Lone Wolf Arms 274 items
  137. Luth-AR 81 items
  138. LWRCI 6 items
  139. Magpul 186 items
  140. Mantis X 1 item
  141. MAUSER 6 items
  142. MDT 52 items
  143. Meprolight 25 items
  144. Mesa Tactical 49 items
  145. Method Dynamics 11 items
  146. Midwest Industries 133 items
  147. Mission First Tactical 15 items
  148. MultiTasker 1 item
  149. NcSTAR 22 items
  150. Night Fision 51 items
  151. Nordic Components 32 items
  152. Noveske 33 items
  153. Odin Works 100 items
  154. Otis Technology 1 item
  155. Pachmayr 30 items
  156. Panzer Arms 5 items
  157. Patriot Ordnance Factory 15 items
  158. Pearce Grip 14 items
  159. Phase 5 Weapon Systems 19 items
  160. Primary Weapons Systems 37 items
  161. Primos 4 items
  162. ProMag Magazines 84 items
  163. PROOF Research 69 items
  164. PTR Industries 2 items
  165. Q 28 items
  166. Radian Weapons 51 items
  167. Raven Concealment Systems 1 item
  168. Recover Tactical 10 items
  169. Reptilia 14 items
  170. RISE Armament 39 items
  171. Riton Optics 4 items
  172. Rival Arms 34 items
  173. Rosco Manufacturing 16 items
  174. RS Regulate 20 items
  175. Ruger Magazines 3 items
  176. Samson Manufacturing Corp 40 items
  177. San Tan Tactical 16 items
  178. Savage Arms 3 items
  179. SB Tactical 32 items
  180. Scalarworks 5 items
  181. SDS Imports 1 item
  182. Seekins Precision 27 items
  183. Shadow Systems 3 items
  184. Sharps Bros. 26 items
  185. Shield Arms 8 items
  186. Shield Sights 14 items
  187. Sig Sauer Magazines 87 items
  188. Sightmark 1 item
  189. SilencerCo 65 items
  190. Smith & Wesson Magazines 8 items
  191. Sons of Liberty Gun Works 14 items
  192. Spartan Precision Equipment 37 items
  193. Spike's Tactical 36 items
  194. Springfield Armory Magazines 4 items
  195. Steiner 2 items
  196. Steyr Arms 2 items
  197. Sticky Holsters 4 items
  198. Strike Industries 61 items
  199. Surefire 14 items
  200. Sylvan Arms 13 items
  201. TacFire Inc. 298 items
  202. TacStar 18 items
  203. Tactical Solutions 2 items
  204. Talley Manufacturing 3 items
  205. Talon Grips 28 items
  206. TangoDown Inc. 22 items
  207. Tasco 1 item
  208. Timber Creek Outdoors 44 items
  209. Timney Triggers USA 120 items
  210. TriggerTech 46 items
  211. Trijicon 40 items
  212. Troy Industries 36 items
  213. True Precision 43 items
  214. TRUGLO 93 items
  215. Tyrant Designs 64 items
  216. Ultradyne USA 25 items
  217. Unity Tactical 1 item
  218. US PALM 1 item
  219. Viridian Weapon Technology 20 items
  220. VLTOR Weapon Systems 3 items
  221. Volquartsen 36 items
  222. Vortex 19 items
  223. Walther 15 items
  224. Warne Scope Rings 12 items
  225. Watchtower - F-1 8 items
  226. Wilson Combat 1 item
  227. WMD Guns 6 items
  228. Woox 18 items
  229. XS Sight Systems 83 items
  230. XTech Tactical 2 items
  231. Yankee Hill Machine Co 85 items
  232. Zaffiri Precision 14 items
Color
  1. Black 1 item
  2. Carbon Fiber 32 items
  3. Silver 37 items
  4. Stainless Steel 3 items
Thread Pattern
  1. 1/2x28 2 items
  2. 5/8x24 68 items
Platform
  1. Accuracy International 6 items
  2. Aero Precision 5 items
  3. AR-10 2 items
  4. AR-15 6 items
  5. Impact Precision 14 items
  6. Ruger 4 items
  7. Savage Arms 5 items
  8. Sig Sauer 6 items
  9. Tikka 3 items
  10. Zermatt Arms 19 items
Caliber
  1. 22 WMR 1 item
  2. 223 Remington 10 items
  3. 223 Wylde 2 items
  4. 300 AAC Blackout 1 item
  5. 300 PRC 3 items
  6. 308 Winchester 19 items
  7. 5.56mm NATO 2 items
  8. 6mm ARC 3 items
  9. 6mm Creedmoor 2 items
  10. 6mm Dasher 1 item
  11. 6mm GT 1 item
  12. 6.5 Creedmoor 17 items
  13. 6.5 Grendel 1 item
  14. 6.5 PRC 3 items
  15. 7mm PRC 7 items
Barrel Length
  1. 11.5" 2 items
  2. 12.5" 1 item
  3. 14.5" 3 items
  4. 16" 7 items
  5. 16.5" 1 item
  6. 18" 7 items
  7. 18.5" 2 items
  8. 20" 29 items
  9. 22" 13 items
  10. 24" 20 items
  11. 26" 19 items
Material
  1. Carbon Fiber 21 items
  2. Carbon Fiber / Steel 19 items
  3. Stainless Steel 40 items
Inventory
  1. In Stock 52 items
  2. Out of Stock 17 items
Customer Rating
  1. 4
    & up     1 item

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. PROOF Research Zermatt Arms TL3 / SR3 Long Action .300 PRC 1:9 Carbon Fiber-Wrapped Pre-Fit Barrel
    PROOF Research Zermatt Arms TL3 / SR3 Long Action .300 PRC 1:9 Carbon Fiber-Wrapped Pre-Fit Barrel
    $1,149.99 $999.99 Save $150.00
  7. PROOF Research AR-15 .223 Wylde 1:7 Carbon Fiber-Wrapped Barrel
    PROOF Research AR-15 .223 Wylde 1:7 Carbon Fiber-Wrapped Barrel
    $999.99 $1,149.99 $899.99 $999.99 Save $150.00
  9. PROOF Research AR-15 6mm ARC 1:7.5 Stainless Steel Barrel
    PROOF Research AR-15 6mm ARC 1:7.5 Stainless Steel Barrel
    $749.99 $649.99 Save $100.00
  10. PROOF Research AR-15 .300 BLK Stainless Steel Barrel
    PROOF Research AR-15 .300 BLK Stainless Steel Barrel
    $629.99 $749.99 $569.99 $649.99 Save $100.00
  11. PROOF Research AR-15 6mm ARC 1:7.5 Carbon Fiber-Wrapped Barrel
    PROOF Research AR-15 6mm ARC 1:7.5 Carbon Fiber-Wrapped Barrel
    $1,149.99 $999.99 Save $150.00
  15. PROOF Research Impact Precision 737R SA 6.5 Creedmoor 1:8 Carbon Fiber-Wrapped Pre-Fit Barrel
    PROOF Research Impact Precision 737R SA 6.5 Creedmoor 1:8 Carbon Fiber-Wrapped Pre-Fit Barrel
    Out of stock
    $1,049.99 $939.99 $949.99 Save $110.00
  27. PROOF Research Accuracy International AX308 / AT / AW / AE Short Action .308 Win 1:10 Carbon Fiber-Wrapped Pre-Fit Barrel
    PROOF Research Accuracy International AX308 / AT / AW / AE Short Action .308 Win 1:10 Carbon Fiber-Wrapped Pre-Fit Barrel
    Out of stock
    $1,399.99 $1,299.99 Save $100.00
  28. PROOF Research Accuracy International AXMC .308 Win 1:10 Carbon Fiber-Wrapped Pre-Fit Barrel
    PROOF Research Accuracy International AXMC .308 Win 1:10 Carbon Fiber-Wrapped Pre-Fit Barrel
    Out of stock
    $1,399.99 $1,299.99 Save $100.00
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