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  1. Offset irons, offset red dot, or invest in new mount?
  2. Delete
  3. Rail mounted front sight
  4. Stock/buffer question
  5. Lower out of spec causing bolt catch failure to engage. Need a solution.
  6. Pistol grip star lock washer direction
  7. Bipod Mount Screw Contacting Barrel
  8. Midweight 16-inch Barrels
  9. Best spring/buffer combo for a Magpul UBR?
  10. Are broken bolts really an issue with 6.5 Grendel?
  11. Magazine release specs?
  12. Trouble removing cam pin from Bootleg adjustable carrier?
  13. LMT-L7S1B
  14. Potential problem with Anderson receiver
  15. DD M4 Firing Pin
  16. 9mm PCC Build - Looking for Input on Building a 9mm PCC
  17. What 9mm PCC Barrel Length Did You Choose (OR would you choose if you buy/build)
  18. C158 Bolts vs. MPI
  19. How Much Bolt Carrier Staking Is Enough?
  20. Help needed, Failed No-Go .300 AAC, pictures of brass.
  21. Tango Down Magazines?
  22. Barrel ID Help
  23. New Upper FTF
  24. Lower Part kit, organize springs
  25. Magpul Pro Offset sight PoI off 9"
  26. Magazine opinion
  27. Charging Handle Unlatches at End of Magazine
  28. New Mag Springs
  29. Rifle buffer on carbine
  30. Zero preference for 11.5” 5.56
  31. A5 Buffer Setup with a 15.5" rifle gassed carbine?
  32. (Solved) Upper receiver with broken off forward assist roll pin
  33. H6 Buffer
  34. Had to take one to the gunsmith....
  35. How far to shim?
  36. HOPPE'S 9 GUN MEDIC CLEANER&LUBE QUICK FIX:
  37. M16A1'ish stock that will work on a carbine receiver extension???
  38. LMT MWS 308 barrel question
  39. Ejection Routes Inconsistent
  40. Geissele G2S Creep?
  41. Fortis LW enhanced end plate and castle nut
  42. Experience with Proof Research 18" SS barrel
  43. Springfield edge pistol issues
  44. Lack of anodizing in certain spots
  45. ? on Hammer J-Spring
  46. Barrel Profile Question - Recon vs Fluted SPR
  47. PMag 40 rounders - reliable?
  48. Proper Buffer for 20" Rifle Gas Upper on Carbine Lower?
  49. Columbia river arms barrels... any good
  50. Allen wrench source?
  51. Swiss / arca interface
  52. Parts to complete bolt
  53. Cartridges are bending?
  54. Colt LE6944 extractor support
  55. KAC QDC muzzle device instal advice
  56. DPMS problem
  57. Gas Block Alignment Pins
  58. Brass stuck in chamber, help!
  59. 11.5" BCM Short stroking
  60. Help identify this barrel nut. KAC or something else?
  61. What if you leave the cam pin out?
  62. mounting lights on a 16 inch faux dissy?
  63. Carrier wear in upper
  64. Colt Law Enforcement Carbine
  65. Bolt not stripping round
  66. Best standard safety selector
  67. Pin and Weld drill depth - potential problem?
  68. Sudden failure to feed
  69. 2 o'clock Ejection Unsupressed
  70. How to install handguard rail covers?
  71. Easily Removed Free Float Handguards
  72. BRT EZTUNE Gas Tubes
  73. Headspace
  74. DPMS LR-308/AR-10 mag well dilemma
  75. PSA AR-10 barrel question
  76. Bolt Life?
  77. Converted Colt LE6920 to Mk18; what do I need to know?
  78. LP Gas Block Dimensions
  79. Spare parts for piston upper?
  80. Police Trade-In Lowers. Dealing with PD markings
  81. Ejector Spring
  82. Change Pin & Welded Muzzle Device
  83. Cut down Colt 16” to 11.5” - suppressed only
  84. Longer gas tube for noveske switch block?
  85. Pinned FSB vs LPGB Set Screws
  86. What causes sporadic ejection patterns?
  87. Correct Method of Tightening Castle Nut
  88. Skinny 6 Hole Retro Hand Guards on an M4 Profile barrel?
  89. Diagnosing gas block/port issue?
  90. Knights Armament RAS question
  91. Copper Fouling
  92. Shims
  93. PWS enhanced buffer tube mod 2
  94. JP captured guide rod/spring ?
  95. Geissele posi-snap safety selector
  96. Surefire Socom Supressor Question
  97. Need Buffer "Weights" Help Please
  98. LMT Enhanced BCG Questions
  99. Help identify this barrel nut
  100. LMT Question: Difference Between LM8 and CQB
  101. Geissele low pro super gas block opinions/input
  102. Ak74 Test Comparison to US Weapons at Aberdeen Proving Ground
  103. Nickel teflon and nickel boron on bolt/cam pin/carrier
  104. 20” barrel versus 16” barrel ..?
  105. Colt Gold colored extractor spring
  106. Hodge Defense barrel, an inside look.
  107. Stainless Shim Stock
  108. First Build
  109. Help building an M4 SOPMOD clone in California.
  110. Suppressor on LWRC issue
  111. Radian Enhanced BCG and Bootleg Adjustable BCG
  112. Oversize gas port on 16" barrel?
  113. ARs didn't really need to have 1-7" Twist and how it was determined that they would.
  114. Is my LMT EBCG Sufficiently Staked?
  115. Rearward Angled Gas Port
  116. Upper receiver options for precision build
  117. LMT ENHANCED CARRIER, EARLY UNLOCKING?
  118. Chiappa Gen2 M4 22lr free floating how to?
  119. Tell me what I'm overlooking.
  120. Precision and weight and upper choice
  121. LMT Muzzle Threads not to spec (too long) ETA Garbage ass LMT
  122. “Lipped” buffer tube install procedures?
  123. Experimental barrel extension? Anybody seen one of these?
  124. Need help with 10.5" Pistol trouble shooting
  125. Machine work to upper receiver
  126. SF Warcomp Closed Tine characteristics?
  127. .300 Black Out Pistol vs Carbine Gas length tube
  128. Better than Mil-Spec?
  129. Post a pic of your Colt 901 BCG please
  130. Guns/optics/weights
  131. Aftermarket Gas Block on LE6920
  132. Zeroing 300BLK with Subsonic Ammo?
  133. M4A1 buffer spring?
  134. Colt Canada Desert Tan N1 Stock Set?? Unicorn??
  135. M4A1 Barrel 14.5”?
  136. Barrel Recs
  137. Confusion with finding a correct buffer
  138. P Mag M followers?
  139. Gas Tube
  140. WOA Varmint Chamber???
  141. Is this carrier key leaking?
  142. Barrel ID Help
  143. Strangest malfunction you witnessed or had
  144. Geissele Barrel Accuracy Testing?
  145. FN bolts
  146. Help - Weird New Double Feed LMT
  147. A5 Receiver Extension Comparison Photos
  148. Seeking help
  149. Weirdest Malfunction for Me - So Far
  150. Who Makes This Barrel?
  151. Interesting analysis of the M14 from Congressional Research Service dtd 2010
  152. Pivot pin question
  153. Hand Guards
  154. buffer tube ?
  155. Blown Primers Issue, Cured by Springfield-Armory
  156. Ok, so I'm pretty proud of myself...
  157. Stuck gas tube
  158. Buffer help
  159. What kind of Colt 11.5 barrels do I have here?
  160. Bolt cycled to eject spent case but did not pick up fresh round
  161. Upper Receiver Recessed Cut
  162. Buffer and ejection pattern question
  163. Spare Bolt
  164. Has anyone experienced a broken bolt or sheared lug?
  165. Remington M4A1 barrels?
  166. flash hider position
  167. Ever seen these before (case dimpling)?
  168. MK18-TYPE build handguard options - 9" BCM MCMR or the 9.5" Geissele MK14?
  169. Magpul mag678 extension question
  170. Daniel Defense Lower 1/3 “Tall” Micro Mount Height?
  171. Front Sight Block Loose (side to side movement)
  172. number of rounds before experiencing malfunctions
  173. AR is locking back but leaves a single round in the magazine. Ideas why?
  174. technical question on the colt side swivel mount
  175. Mil-Spec Charging Handle Differences
  176. Cleaning rod for an 18" barrel?
  177. Help me out with this malfunction
  178. Interpreting BCG wear
  179. Eating gas rings in as little as 180rnds
  180. Gas Length Problem
  181. What are the outside dimensions of an AR15 lower with and without the trigger guard?
  182. Geissele gas block thread size and count
  183. Specific tool to remove ejector roll pin?
  184. V7 Titanium A2 Style “Compensator”
  185. 5.56 AR barrel chamber dimensions
  186. Winchester Purple 62gr LE Training Ammo
  187. Why is my charging handle sticking?
  188. A2 grip modification
  189. Diemaco Triangle Style Ambi Sling Adapter End Plate Spec
  190. Bcm mcmr handguard
  191. Gas Block Gap Ok
  192. Upper reciever replancement?
  193. How did I do with this purchase?
  194. Vertical Cam Pin Scratch/Gouge
  195. Did I ruin my upper receiver?
  196. Scope mount question
  197. When is a bolt "old"?
  198. Primer strike from chambering
  199. DIY cutaway AR?
  200. 16” comparison: DD 16” mid-length with BCM A5 lower vs Knight’s SR-15 MOD 2...
  201. So what IS carbon fouling, actually?
  202. Wierd Malfunction with Colt CM762-16S 308 Rifle
  203. MMC Armory (Minnies Machine Company) Gov Contract 14.5” Socom Barrels
  204. Rattly zipper upper receiver from Aero precision.
  205. Gouge in cam pin cutout, but not where I normally see it
  206. Dented case mouth cause(s)
  207. Trying to match Magpul Grey...
  208. Bolt Damage.
  209. Necessary to check headspace?
  210. Seasoning the Bolt Carrier?
  211. Underpowered ammo velocities?
  212. Mystery AR-15 Bolt and Carrier
  213. Colt 6920 magazine release issue
  214. Noveske switchblock gas tube swap
  215. 11.5 barrel options
  216. Crap groups when barrel gets hot
  217. Can you recommend a reliable trigger spring?
  218. Stake em'.
  219. 9mm suppressor. I need some advise
  220. Malfunction today...your thoughts on a fix?
  221. Noveske gen 3 upper rail compatibility issues
  222. 1/7 vs 1/8 barrel twist
  223. AR15 Detent Mods???
  224. Grendel Upper Locking Up After Firing
  225. BCM 14.5 Barrels
  226. I have this Colt Canada Commando upper and I have some questions
  227. Shimming a Muzzle Device
  228. NewB Zeroing Question on new AR15
  229. Is my barrel off or is it the receiver?
  230. Bolt Carrier Rough Surface
  231. Feed ramp gap on BCM BFH ELW
  232. What is the exact length of carbine and heavy buffers?
  233. Centurion BCG
  234. 10.3 DD with A5 system
  235. Fix my brother's AR - Final Update in Last Post
  236. Muzzle brake shims not flat because barrel shoulder isn't square
  237. New LTWT upper, Barrels
  238. NO lube on bolt/rings as per FN manual?
  239. BCM SS410 Upper-Barrel Exchange
  240. Brownells BCG's - Quality or Issues?
  241. BCM handguard ?
  242. POF P-415 not ejecting properly, high recoil
  243. Stuck dent under bolt catch... remedies?
  244. Enhanced BCG's
  245. How securely should Troy sights stow?
  246. nitride vs chrome phosphate
  247. LPK's
  248. Filling in spare parts. Stainless pins for gas tube retaining pin?
  249. Gauges
  250. Did not grease receiver extension or castle nut