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Rifle Parts

Whether you're building a new rifle from scratch or looking to upgrade an existing firearm, our vast selection of rifle parts has everything you are going to need in that journey. At Rainier Arms' selection of rifle parts, you can find a wide variety of products including lower and upper parts, trigger parts, muzzle devices, and many more. 

Explore our selection of high-quality parts coming from various leading manufacturers like Strike Industries, Magpul, BCM, and many more.

Also, don't forget to check our specially-made Rainier Arms barrels for your firearms.

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Items 1921-1936 of 2504

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  1. V Seven Weapon Systems Ultra Light Mag Catch / Release
    V Seven Weapon Systems Ultra Light Mag Catch / Release
    $36.86
    Out of stock
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  3. V Seven Weapon Systems Carbine Buffer Tube
    V Seven Weapon Systems Carbine Buffer Tube
    $63.05
    Out of stock
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  4. V Seven Weapon Systems Ultra Light AR10 Port Door
    V Seven Weapon Systems Ultra Light AR10 Port Door
    $45.59
    Out of stock
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  6. V Seven Weapon Systems Titanium Barrel Nut for BCM KMR
    V Seven Weapon Systems Titanium Barrel Nut for BCM KMR
    $68.87
    Out of stock
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  8. Magpul MOE+ K2 Grip
    Magpul MOE+ K2 Grip
    Out of stock
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  11. Geissele Super Tricon (Super T) Trigger
    Geissele Super Tricon (Super T) Trigger
    $245.00
    Out of stock
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  12. Surefire Flash Hider/Adapter - SF3P-762-5/8x24
    Surefire Flash Hider/Adapter - SF3P-762-5/8x24
    $152.00
    Out of stock
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  14. ERGO Flat Top Tactical Deluxe Grip Black
    ERGO Flat Top Tactical Deluxe Grip Black
    $33.99
    Out of stock
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  15. Hera Arms MPSS AR15 90/45 Degree Safety Selector Set
    Hera Arms MPSS AR15 90/45 Degree Safety Selector Set
    $29.90
    Out of stock
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Items 1921-1936 of 2504

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Shop By
Shopping Options
Barrel Length
  1. 3.1" 1 item
  2. 3.66" 1 item
  3. 4" 5 items
  4. 4.5" 2 items
  5. 5" 5 items
  6. 5.25" 2 items
  7. 5.5" 15 items
  8. 6" 9 items
  9. 6.5" 3 items
  10. 6.75" 1 item
  11. 7" 4 items
  12. 7.25" 1 item
  13. 7.5" 11 items
  14. 7.75" 2 items
  15. 7.94" 1 item
  16. 8" 14 items
  17. 8.3" 4 items
  18. 8.5" 13 items
  19. 8.75" 1 item
  20. 9" 5 items
  21. 9.5" 1 item
  22. 9.75" 1 item
  23. 10" 3 items
  24. 10.3" 17 items
  25. 10.5" 41 items
  26. 10.7" 5 items
  27. 11" 1 item
  28. 11.5" 19 items
  29. 11.85" 2 items
  30. 12" 11 items
  31. 12.3" 1 item
  32. 12.5" 21 items
  33. 13" 3 items
  34. 13.5" 1 item
  35. 13.7" 10 items
  36. 13.9" 6 items
  37. 14.5" 37 items
  38. 16" 124 items
  39. 16.1" 7 items
  40. 16.3" 2 items
  41. 17" 1 item
  42. 18" 80 items
  43. 20" 34 items
  44. 20.5" 1 item
  45. 22" 30 items
  46. 24" 8 items
  47. 26" 4 items
Barrel Profile
  1. Dissipator 2 items
  2. DMR 2 items
  3. Lightweight 13 items
  4. M110 1 item
  5. M16A1 1 item
  6. MK12 SPR 14 items
  7. Non-fluted 4 items
Caliber
  1. .22 ARC 5 items
  2. .22 Cal 2 items
  3. .22 LR 3 items
  4. .223/5.56 23 items
  5. .223 Rem 1 item
  6. .223 Wylde 57 items
  7. .30-30 1 item
  8. .30 Cal 13 items
  9. .308 16 items
  10. .308 Win 49 items
  11. .338 1 item
  12. .357 Magnum 2 items
  13. .38/.357 Magnum 1 item
  14. .44/.45 2 items
  15. .45-70 GOVT 2 items
  16. .45 ACP 5 items
  17. .458 Socom 3 items
  18. 12 Gauge 1 item
  19. 300 Blackout 57 items
  20. 300 Norma Mag 1 item
  21. 338 Lapua 2 items
  22. 350 Legend 2 items
  23. 5.56X45 9 items
  24. 5.56 NATO 185 items
  25. 5.56mm 11 items
  26. 6mm ARC 25 items
  27. 6.5 Creedmoor 35 items
  28. 6.5 Grendel 17 items
  29. 6.5 PRC 2 items
  30. 6.8 SPC 2 items
  31. 6MM Creedmoor 17 items
  32. 7.62mm 7 items
  33. 7.62x39 12 items
  34. 7.62x51 10 items
  35. 8.6 Blackout 12 items
  36. 9mm 88 items
Category
  1. Receiver Parts 372 items
  2. Parts & Kits 296 items
  3. Barrels 386 items
  4. Buffer Systems 89 items
  5. Trigger Parts 174 items
  6. Gas Systems 73 items
  7. Muzzle Devices 264 items
  8. Bolt Parts 114 items
  9. Grips 190 items
  10. Charging Handles 95 items
  11. Rifle Handguards 220 items
  12. Stocks & Braces 201 items
  13. MILSPEC Parts 47 items
Co Witness
  1. Lower 1/3 1 item
Color
Configuration
  1. 90 Degree 1 item
  2. AR-10 4 items
  3. AR-15 28 items
  4. Carbine 1 item
  5. Clamp on Piston Block 1 item
  6. Cross 1 item
  7. Curved 25 items
  8. Flaming Pig 1 item
  9. Flat 27 items
  10. Gen 1-3 1 item
  11. Gen 3 2 items
  12. GEN 2 1 item
  13. Ghetto Blaster 1 item
  14. Left 1 item
  15. Left Hand 1 item
  16. M-LOK 12 items
  17. M4 Curve 1 item
  18. Mil-Spec 1 item
  19. Normal CQR 2 items
  20. Restricted CQR 2 items
  21. Rifle 3 items
  22. Right Hand 1 item
  23. Solid Piston Block 1 item
  24. Straight 8 items
  25. .625 DIA 8 items
  26. .750 DIA 9 items
  27. .800 DIA 2 items
  28. .875 DIA 3 items
  29. .936 DIA 4 items
  30. Standard Buffer and Spring 1 item
  31. Silent Captured Spring 9mm 1 item
  32. Enhanced Finger Placement (EFP) 1 item
  33. Type 1 Trunnion 1 item
  34. Type 2 Trunnion 1 item
  35. Large Latch 1 item
  36. Medium Latch 1 item
  37. Small Latch 1 item
  38. AK74 [WL 5.62"/143mm][HD .32"/8mm] 1 item
  39. AIMS-74 [WL 4.80"/122mm][HD .32"/8mm] 1 item
  40. AK-105 JBI Custom [WL 4.20"/107mm][HD .45"/11mm] 1 item
  41. AKM Large Bore [WL 5.83"/148mm][HD .31"/8mm] 1 item
  42. AMD65 [WL 4.67"/119mm][HD .31"/8mm] 1 item
  43. Arsenal Rifle Small Bore [WL 5.75"/146mm][HD .30"/8mm] 1 item
  44. Arsenal Rifle Large Bore [WL 5.75"/146mm][HD .30"/8mm] 1 item
  45. 5.45 Krinkov [WL 2.03"/52mm][HD .32"/8mm] 1 item
  46. 7.62 Krinkov [WL 2.22"/56mm][HD .31"/8mm] 1 item
  47. Bulgarian 5.45 Krinkov [WL 2.03"/52mm][HD .42"/11mm] 1 item
  48. Bulgarian AK74 [WL 5.62"/143mm][HD .42"/11mm] 1 item
  49. DRACO [WL 4.78"/121mm][HD .32"/8mm] 1 item
  50. Galil Ace [WL 2.15"/118mm][HD .32"/8mm] 1 item
  51. M85 [WL 4.41"/112mm][HD .31"/8mm] 1 item
  52. M92 2.218 [WL 3.90"/99mm][HD .30"/8mm] 1 item
  53. PSL [WL 3.90"/99mm][HD .30"/8mm] 1 item
  54. Valmet M76 / Galil Classic ARM [WL 4.20"/107mm][HD .45"/11mm] 1 item
  55. VEPR Small Bore [WL 5.62"/143mm][HD .32"/8mm] 1 item
  56. VEPR Big Bore [WL 5.62"/143mm][HD .32"/8mm] 1 item
  57. WZ89 Onyks [WL 2.15"/55mm][HD .32"/8mm] 1 item
  58. .478 +/- Bolt Face 1 item
Finish
  1. Arid 2 items
  2. Bead Blast Stainless Steel 1 item
  3. Black 25 items
  4. Black Nitride 3 items
  5. Blue 1 item
  6. Case Hardened 1 item
  7. Carbon Fiber 6 items
  8. Cerakote 10 items
  9. Chrome 1 item
  10. DLC 7 items
  11. FDE 5 items
  12. Gold 1 item
  13. Grey 1 item
  14. Melonite 3 items
  15. NiB-X 4 items
  16. Nickel Boron 8 items
  17. Nitride 133 items
  18. Nitromet 7 items
  19. Phosphate 8 items
  20. Polished 47 items
  21. Red 4 items
  22. Satin 93 items
  23. Anodize 69 items
  24. Clear Hard Anodize 4 items
  25. PVD/CVD 1 item
  26. Quench Polish Quench (QPQ) 6 items
  27. Titanium Nitride (TiN) 2 items
Gas Block Diameter
  1. .625" 41 items
  2. .750" 264 items
  3. .875" 39 items
  4. .936" 17 items
Gas System Length
  1. Blowback 33 items
  2. Pistol -1 3 items
  3. Pistol 59 items
  4. Carbine 67 items
  5. Micro 1 item
  6. Mid 136 items
  7. Intermediate 32 items
  8. Patrol 1 item
  9. Rifle 89 items
  10. Rifle +1 7 items
  11. Rifle +2 16 items
Height
  1. Absolute Co-Witness 6 items
  2. Low 1 item
  3. Medium 1 item
  4. High 1 item
Inside Diameter
  1. 1.08" 1 item
  2. 1.15" 1 item
  3. 1.3" 7 items
  4. 1.31" 2 items
  5. 1.315" 4 items
  6. 1.34" 5 items
  7. 1.385" 1 item
  8. 1.39" 1 item
  9. 1.4" 2 items
  10. 1.42" 1 item
  11. 1.45" 1 item
  12. 1.5" 1 item
  13. 1.54" 1 item
  14. 1.55" 1 item
  15. 1.6" 1 item
  16. 1.75" 1 item
Magazine Capacity
  1. 32rd 1 item
Manufacturer
  1. 21st Tec 6 items
  2. A3 Tactical 41 items
  3. Accu-Tac 2 items
  4. Advanced Armament Company (AAC) 4 items
  5. Aero Precision 65 items
  6. Aeroknox 8 items
  7. Agency Arms 1 item
  8. Airborne Arms 3 items
  9. ALG Defense 6 items
  10. American Trigger Company (ATC) 3 items
  11. Andro Corp Industries 8 items
  12. Angstadt Arms 16 items
  13. Apex Tactical Specialties 5 items
  14. Arisaka 7 items
  15. Armaspec 11 items
  16. Arms Republic 11 items
  17. Ascalon Arms 11 items
  18. Brügger & Thomet (B&T) 4 items
  19. B5 Systems 22 items
  20. Ballistic Advantage 46 items
  21. Battle Arms Development 49 items
  22. Blackout Defense 9 items
  23. Black River MFG 1 item
  24. Blitzkrieg Components 17 items
  25. BOBRO 1 item
  26. Bootleg 4 items
  27. Boss Barrels 10 items
  28. Bravo Company MFG (BCM) 85 items
  29. Brigand Arms 2 items
  30. Centurion Arms 22 items
  31. Chisel Machining 5 items
  32. Christensen Arms 5 items
  33. CMC Triggers 1 item
  34. Cobalt Kinetics 1 item
  35. Cross Machine Tool (CMT) 16 items
  36. Daniel Defense 23 items
  37. Dead Air Armament 7 items
  38. Dead Foot Arms LLC 11 items
  39. Devil Dog Concepts 1 item
  40. Die Free Co 2 items
  41. DPM Systems Technologies 5 items
  42. Drew Meyers Defense 8 items
  43. Driven Arms Co. 17 items
  44. Eartune 1 item
  45. Elftmann Tactical 6 items
  46. Emissary Development 6 items
  47. Ergo Grips 8 items
  48. F-1 Firearms 3 items
  49. F5 MFG 13 items
  50. Faxon Firearms 74 items
  51. Ferfrans 1 item
  52. Flatline Fiber Co 1 item
  53. Form Rifle 2 items
  54. Fortis MFG 61 items
  55. Forward Controls Design 93 items
  56. FosTecH 1 item
  57. Gear Head Works 7 items
  58. Geissele 44 items
  59. Grand Power 2 items
  60. Grey Birch MFG 7 items
  61. Grey Ghost Precision 1 item
  62. Griffin Armament 27 items
  63. Half Cocked Arms (HCA) 1 item
  64. HB Industries 25 items
  65. HERA ARMS 19 items
  66. Heresy Design 8 items
  67. Hiperfire 25 items
  68. HUXWRX 8 items
  69. Icarus Precision 2 items
  70. Icon Defense 6 items
  71. Iron City Rifle Works 1 item
  72. Jacob Grey 2 items
  73. James Madison Tactical (JMT) 3 items
  74. JK Armament 14 items
  75. JL Billet 5 items
  76. JMAC Customs 74 items
  77. JP Enterprises Inc 49 items
  78. KAK Industries 1 item
  79. Killer Innovations 1 item
  80. Kinetic Development Group 9 items
  81. Knight’s Armament Company (KAC) 18 items
  82. KNS Precision 15 items
  83. Kalashnikov USA 2 items
  84. Kaw Valley Precision 2 items
  85. Kratos Design Group 3 items
  86. Krebs Customs 8 items
  87. KynSHOT 6 items
  88. Lantac 25 items
  89. Law Tactical 2 items
  90. Lee Sporting 4 items
  91. Leitner-Wise 1 item
  92. Lewis Machine & Tool (LMT) 33 items
  93. LUTH-AR 2 items
  94. Mad Pig 6 items
  95. Mag-Pod 1 item
  96. Magpul Industries 78 items
  97. Matador Arms 1 item
  98. Maxim Defense 33 items
  99. MCM Firearms 1 item
  100. Mega Arms 1 item
  101. Midwest Industries 35 items
  102. Mission First Tactical 3 items
  103. Multitasker Tools 1 item
  104. NEMO Arms 8 items
  105. Neverwear Springs 1 item
  106. Next Level Armament 28 items
  107. NIGHT FISION 1 item
  108. Noveske 59 items
  109. Obsidian Arms 1 item
  110. Odin Works 1 item
  111. Patriot Ordnance Factory (POF) 9 items
  112. Precision Armament 17 items
  113. Precision Reflex Inc 2 items
  114. Primary Weapon Systems 23 items
  115. Q, LLC 19 items
  116. Quarter Circle 10 8 items
  117. R&D Precision 4 items
  118. Radian Weapons 21 items
  119. Raidworx 1 item
  120. Rainier Arms, LLC 264 items
  121. Rainier Industries 17 items
  122. Rehv Arms 2 items
  123. Reptilia Corp 9 items
  124. Rex Silentium 1 item
  125. Riflespeed 3 items
  126. Rise Armament 24 items
  127. ROAM Rifles 4 items
  128. RogueOps 3 items
  129. RS Regulate 6 items
  130. Samson Manufacturing Corp. 2 items
  131. SB Tactical 12 items
  132. SCALARWORKS 1 item
  133. Seekins Precision 1 item
  134. Sharps Bros 29 items
  135. Shooting Innovations 2 items
  136. Sig Sauer 13 items
  137. Silencerco 14 items
  138. Sionics Weapon Systems 6 items
  139. SLR Rifleworks 7 items
  140. Sons of Liberty Gun Works 47 items
  141. Spinta Precision 6 items
  142. Sprinco (Tactical Springs) 7 items
  143. Springer Precision 1 item
  144. Stag Arms 2 items
  145. Stern Defense 11 items
  146. Strike Industries 30 items
  147. Superlative Arms 14 items
  148. Surefire 12 items
  149. Tactical Edge Arms 3 items
  150. Tango Down 1 item
  151. Taran Tactical Innovations 2 items
  152. Timney Triggers 33 items
  153. Tippmann Arms 1 item
  154. Torrent Suppressors 3 items
  155. Triggertech 13 items
  156. Troy Industries 7 items
  157. TruCalibre 9 items
  158. True North Concepts 9 items
  159. Tyrant Designs 17 items
  160. Underground Tactical 1 item
  161. Unity Tactical 1 item
  162. V Seven Weapon Systems 67 items
  163. VKTR Industries 5 items
  164. VLTOR 16 items
  165. White Label Armory 2 items
  166. WMD Guns 17 items
  167. WOOX 6 items
Model
  1. CZ Bren 5 items
  2. CZ Scorpion 26 items
  3. FNH 509 1 item
  4. FNH Scar 4 items
  5. H&K G36 1 item
  6. H&K MP5K 1 item
  7. IWI Galil 1 item
  8. IWI Tavor 1 item
  9. Remington 700 5 items
  10. RIA VR80 1 item
  11. Sig MCX 10 items
  12. Sig MPX 9 items
  13. Springfield Hellcat 1 item
Mount
  1. KeyMod 14 items
  2. M-LOK 210 items
  3. Other 1 item
  4. Picatinny 103 items
Optic Footprint
  1. Aimpoint Acro 1 item
Option
  1. AK-47/74 13 items
  2. AR-9 11 items
  3. AR-10 51 items
  4. AR-15 287 items
  5. FN 509 1 item
  6. Standard 2 items
  7. 4.720" 2 items
  8. 6.295" 2 items
  9. 7.870" 2 items
  10. 9.445" 2 items
  11. Bull's Eye 1 item
  12. Vertical Lines 1 item
  13. Minimal 1 item
  14. H2 Buffer 2 items
  15. White - Standard Power 1 item
  16. Blue - Enhanced Power 1 item
  17. Red - Extra Power 1 item
  18. Orange - Extra Extra Power 1 item
  19. Yellow - Reduced Power 1 item
  20. White/Red - Intermediate Power 1 item
  21. Green - Rifle Length Standard Power 1 item
  22. SRS-C 3.3 oz. 1 item
  23. SRS-H 3.8 oz. 1 item
  24. SRS-H2 4.7 oz. 1 item
  25. SRS-H3 5.6 oz. 1 item
  26. SRS-BB 5.7 oz. 1 item
  27. SRS-9mm 6.4 oz. 1 item
  28. SRS-AR10 5.7 oz. 1 item
  29. Long 1 item
  30. Front 1 item
  31. Mid 1 item
  32. Rear 1 item
  33. Remington 700 Short Action 3 items
  34. Remington 700 Short Action BDL 2 items
  35. Remington 700 Long Action BDL 1 item
  36. Sauer 100 1 item
  37. WA 2 items
  38. KS 2 items
  39. JP Silent Captured Spring - Standard 1 item
  40. JP Silent Captured Spring - Heavy 1 item
  41. JP Silent Captured Spring - 9mm 1 item
  42. Buffer & Spring - Standard 3 items
  43. Buffer & Spring - 9mm 2 items
  44. Buffer & Spring - H1 3 items
  45. Buffer & Spring - H2 2 items
  46. Buffer & Spring - H3 2 items
  47. Heavy 1 item
  48. 1.125-28 TPI 3 Lug/Booster Adaptor 1 item
  49. 1.180-24 TPI 3 Lug/Booster Adaptor 1 item
  50. 9mm 1 item
  51. CZ 29 items
  52. FNH 2 items
  53. Glock 3 items
  54. Heckler & Koch 2 items
  55. Remington 1 item
  56. Sharps Bros 1 item
  57. Sig Sauer 2 items
  58. Springfield 1 item
  59. Holed 1 item
  60. Profile 1 item
  61. Small Lever 3 items
  62. Large Lever 3 items
  63. AKM 1 item
  64. Green Laser 2 items
  65. Adjustable 14 items
  66. Non-Adjustable 31 items
  67. MCS 2 items
  68. Full Size 2 items
  69. IWI Uzi Pro 1 item
  70. B&T APC 1 item
  71. Dimpled 4 items
  72. Serrated 5 items
Platform
  1. 10-22 1 item
  2. AR-9 5 items
  3. AR-10/LR308 84 items
  4. AR-15 425 items
  5. AK47/74 19 items
  6. CZ 27 items
  7. FNH 5 items
  8. H&K 4 items
  9. IWI 2 items
  10. Remington 4 items
  11. Remington 700 15 items
  12. Ruger 5 items
  13. Ruger 10/22 1 item
  14. Ruger Precision Rifle 12 items
  15. Savage Small Shank 15 items
  16. Sig Sauer 18 items
  17. Sig Cross 4 items
  18. Sig MPX 1 item
  19. Springfield 1 item
  20. Steyr Aug 5 items
Price
  1. $0.00 - $999.99 2440 items
  2. $1,000.00 - $1,999.99 57 items
  3. $2,000.00 - $2,999.99 6 items
  4. $4,000.00 and above 1 item
Product Type
  1. 80% Lower 2 items
  2. 10/22 Barrel 2 items
  3. 10/22 Receiver 1 item
  4. Accessory 6 items
  5. Adapter Plate 2 items
  6. AK Accessories 1 item
  7. Angled Grip 23 items
  8. Anti Walk Pins 5 items
  9. AR-10/LR308 Barrel 67 items
  10. AR-10 / LR 308 Charging Handle 8 items
  11. AR-10 Complete Lower Receiver 1 item
  12. AR-10 Complete Upper Receiver 2 items
  13. AR-10 Partial Upper Receiver 3 items
  14. AR-10 Handguard 7 items
  15. AR-10 Receiver Set 6 items
  16. AR-10 Stripped Lower Receiver 5 items
  17. AR-10 Stripped Upper Receiver 4 items
  18. AR-15 Assembled Upper Receiver 7 items
  19. AR-15 Barrel 259 items
  20. AR-15 Charging Handle 44 items
  21. AR-15 Complete Lower Receiver 35 items
  22. AR-15 Complete Upper Receiver 57 items
  23. AR-15 Partial Upper Receiver 49 items
  24. AR-15 Handguard 89 items
  25. AR-15 Receiver Set 23 items
  26. AR-15 Rifle 1 item
  27. AR-15 Stripped Lower Receiver 58 items
  28. AR-15 Stripped Upper Receiver 41 items
  29. AR-15 Upper Receiver Group 1 item
  30. AR-9 Lower Receiver 4 items
  31. AR-9 Complete Lower Receiver 2 items
  32. AR-9 Partial Upper Receiver 1 item
  33. AR-9 Receiver Set 4 items
  34. AR-9 Upper Receiver 10 items
  35. Barrel Adapter 2 items
  36. Barrel Nut 4 items
  37. Blast Shield 5 items
  38. Bolt 18 items
  39. Bolt-Action Barrel 52 items
  40. Bolt-Action Receiver 1 item
  41. Bolt Carrier Group 71 items
  42. Bolt Catch 25 items
  43. Brace 32 items
  44. Brace Strap 1 item
  45. Buffer 35 items
  46. Buffer Kit 17 items
  47. Buffer Spring 19 items
  48. Buffer Tube 20 items
  49. Builders Kit 2 items
  50. Cam Pin 7 items
  51. Castle Nut 5 items
  52. Castle Nut / End Plate 7 items
  53. Cable Clip 1 item
  54. Charging Handle 45 items
  55. Chassis 28 items
  56. Cheek Riser 4 items
  57. Compensator 55 items
  58. Complete Upper 18 items
  59. Crush Washer 3 items
  60. Dust Cover 16 items
  61. End Cap 9 items
  62. End Plate 16 items
  63. Failure Resistant Extractor 2 items
  64. Finger Stop 2 items
  65. Firing Pin 6 items
  66. Flash Hider 67 items
  67. Forearm Accesory 20 items
  68. Forward Assist 10 items
  69. Forward Assist Spring 1 item
  70. Front Sight 2 items
  71. Gas Block 55 items
  72. Gas Rings 3 items
  73. Gas Tube 6 items
  74. Grip Accessory 12 items
  75. Grip Module 2 items
  76. Grip Screw 1 item
  77. Gunsmithing Tool 1 item
  78. Handguard 75 items
  79. Handguard Adaptor 2 items
  80. Handgun 1 item
  81. Handstop 47 items
  82. Iron Sight 2 items
  83. Key Screw 1 item
  84. Lower Parts Kit 25 items
  85. Lower Receiver 5 items
  86. Magazine 1 item
  87. Magazine Button 2 items
  88. Magazine Catch 11 items
  89. Magazine Release 23 items
  90. Magazine Spring 1 item
  91. Magwell 7 items
  92. Muzzle Brake 111 items
  93. Muzzle Device Accessory 23 items
  94. Partial Upper Receiver 1 item
  95. Parts Kit 13 items
  96. Patch 1 item
  97. Pistol Grip 70 items
  98. Pistol Part 1 item
  99. Piston 1 item
  100. Piston System 8 items
  101. Port Door 5 items
  102. Port Door Rod 6 items
  103. Port Door Spring 1 item
  104. Rail Adapter 11 items
  105. Rail Cover 2 items
  106. Rail Panel 16 items
  107. Rail Section 3 items
  108. Recoil Spring 3 items
  109. Retainer Pin 5 items
  110. Roll Pin 2 items
  111. Safety Selector 54 items
  112. Scope Mount 1 item
  113. Shim Set 5 items
  114. Sig MPX Barrel 1 item
  115. Sight Post 14 items
  116. Silent Captured Spring 2 items
  117. Sling Mount 2 items
  118. Spring 9 items
  119. Steyr Aug Barrel 5 items
  120. Stock 105 items
  121. Stock Accessory 23 items
  122. Stock Adapter 31 items
  123. Suppressor 1 item
  124. Suppressor Accessory 1 item
  125. Take Down / Pivot Pins 25 items
  126. Trigger 144 items
  127. Trigger / Hammer Pins 4 items
  128. Trigger Guard 17 items
  129. Trigger Spring 1 item
  130. Upper Parts Kit 3 items
  131. Vertical Grip 33 items
  132. Weight 1 item
Rail Length
  1. 3" 1 item
  2. 3.25" 1 item
  3. 4" 2 items
  4. 4.25" 4 items
  5. 4.5" 2 items
  6. 4.9" 1 item
  7. 5" 2 items
  8. 5.5" 2 items
  9. 5.99" 1 item
  10. 6.0" 7 items
  11. 6.25" 3 items
  12. 6.375" 1 item
  13. 6.5" 2 items
  14. 6.7" 8 items
  15. 6.75" 3 items
  16. 6.91" 1 item
  17. 7" 19 items
  18. 7.2" 2 items
  19. 7.25" 2 items
  20. 7.3" 1 item
  21. 7.5" 2 items
  22. 7.8" 1 item
  23. 7.9" 2 items
  24. 8" 6 items
  25. 8.25" 1 item
  26. 8.5" 2 items
  27. 8.6" 1 item
  28. 9" 11 items
  29. 9.1" 1 item
  30. 9.15" 2 items
  31. 9.2" 2 items
  32. 9.25" 1 item
  33. 9.3" 2 items
  34. 9.5" 23 items
  35. 9.55" 7 items
  36. 9.59" 1 item
  37. 9.6" 7 items
  38. 9.75" 2 items
  39. 10" 30 items
  40. 10.25" 1 item
  41. 10.3" 1 item
  42. 10.5" 16 items
  43. 10.64" 2 items
  44. 10.7" 4 items
  45. 10.75" 2 items
  46. 10.8" 1 item
  47. 11" 5 items
  48. 11.1" 2 items
  49. 11.25" 1 item
  50. 11.5" 11 items
  51. 11.7" 4 items
  52. 11.75" 2 items
  53. 11.8" 4 items
  54. 12" 31 items
  55. 12.25" 1 item
  56. 12.3" 1 item
  57. 12.4" 3 items
  58. 12.43" 1 item
  59. 12.5" 15 items
  60. 12.55" 1 item
  61. 12.6" 3 items
  62. 12.625" 1 item
  63. 12.75" 1 item
  64. 12.8" 1 item
  65. 13" 17 items
  66. 13.25" 2 items
  67. 13.5" 14 items
  68. 13.6" 4 items
  69. 13.625" 2 items
  70. 13.7" 9 items
  71. 13.75" 1 item
  72. 13.8" 7 items
  73. 14" 10 items
  74. 14.3" 1 item
  75. 15" 64 items
  76. 15.25" 1 item
  77. 15.3" 7 items
  78. 15.5" 2 items
  79. 15.8" 1 item
  80. 16" 1 item
  81. 16.3" 1 item
  82. 16.5" 5 items
  83. 17" 3 items
  84. 18" 2 items
Size
  1. 3" 1 item
  2. BACK STRAP:Large 1 item
  3. BACK STRAP:Medium 2 items
  4. Small 1 item
  5. Medium 5 items
  6. Large 5 items
  7. X-Large 2 items
  8. 6" 1 item
  9. 3 Slot 3 items
  10. 5 Slot 6 items
  11. 7 Slot 2 items
  12. 9 Slot 27 items
  13. 1/2" 1 item
  14. 5/8" 1 item
  15. 1.9" 2 items
  16. 2.1" 2 items
  17. 3.3" 2 items
  18. 4.3" 2 items
  19. 4.8" 2 items
  20. 5.8" 2 items
Thread Pitch
  1. 1.125x28 1 item
  2. .578x28 1 item
  3. 1.375-24 3 items
  4. 1/2x28 (9mm) 55 items
  5. 1/2x28 (.22 cal) 301 items
  6. 1/2x32 4 items
  7. 1/2x36 13 items
  8. 3/4x24 3 items
  9. 5/8x24 (.30 cal) 258 items
  10. 5/8x32 1 item
  11. 11/16x24 3 items
  12. M13.5x1 LH 8 items
  13. M14x1 LH 8 items
  14. M18x1.5 7 items
  15. M24x1.5 RH 3 items
  16. 26-1.5 LH 1 item
Threaded
  1. Yes 68 items
  2. No 2 items
Twist Rate
  1. 1:3 9 items
  2. 1:5 2 items
  3. 1:6 1 item
  4. 1:7 146 items
  5. 1:7.5 38 items
  6. 1:8 130 items
  7. 1:10 92 items
  8. 1:11.25 1 item
  9. 1:14 2 items
  10. 1:16 2 items
Stock Status
  1. In stock 1645 items
  2. Out of stock 858 items
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