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  1. Help is need with an Upgrade Project to convert a A2 CAR to a Flatop
  2. m&p 15 T stuck round
  3. Sub-MOA Barrel?
  4. Gun sluggish/problems chambering in "cold"
  5. Should I be concerned with this?
  6. Spike's Tactical Dynacomp Extreme....Holy Crap!!
  7. Daniel Defense LPK question??
  8. Noveske switchblock+Centurion Rail= No go
  9. Gunsmithing Questoins???
  10. Zeroing my sights - what's normal and what isn't?
  11. Possible issue with semi-auto firing more than one round
  12. ATC Gold AR Trigger: Any Good?
  13. Question about PSA Dissipator w/ FN barrel
  14. YHM Clamp-On gas block installation??
  15. Cutting Bolt Release
  16. Modified Troy Claymore Muzzle Brake
  17. Stock Noveske Trigger?
  18. midlength buffer?
  19. one oclock ejection
  20. Full or empty mags not dropping
  21. Looking to add a compensator to my DD M4 V1
  22. Thoughts on Vltor A5 Buffer weight options..
  23. The "desert AR"... yes, that one.
  24. Bushmaster ORC front sight debacle
  25. Colt SP1 in 223?
  26. Need advice on flash suppressor removal
  27. RIS II question
  28. Carry handle sight question
  29. Bolt stop question
  30. anyone care to explain this to me?
  31. Gas Port Size vs. Rate of Erosion
  32. First shots out of M&P, good but had "triggerpin walk"
  33. new barrel install
  34. Gas tube retaining pin question
  35. Disassembly/Reassembly Don'ts
  36. All this talk about buffers (confused)
  37. DS Arms carrier Key lock??
  38. Normal cam-pin drag wear on DI Noveske?
  39. Odd Question About DD 1.5 Rear Sight
  40. D-Ring Removal and FSB Shaving
  41. Primer strikes upon chambering of rounds
  42. help identifying parts
  43. Vltor Gas block
  44. Trick to removing FSB?
  45. Carbine length gas system mated to a A2 lower with rifle buffer and spring lower?
  46. AR15 Barrel Inspection w/ Video Articulating Borescope
  47. Mag tests
  48. Who can install a Barrel Extension
  49. Battlecomp install question
  50. matech BUIS setting?
  51. Muzzle device to fit my needs?
  52. Short buffer tube
  53. Problem with KAC Rail Cover Micro Movement
  54. Bat machined match grade barrel extentions.
  55. Question about a barrel
  56. From A Technical Perspective: Why Mil-Spec Vs. Commercial Buffer Tube?
  57. Light AR
  58. BUSHMASTER BOLT UPGRADE NEEDED?
  59. firing pin designs... why the change?
  60. Same Sight plane
  61. Piston upper barrel question
  62. AR- Piston or Direct Impingement?
  63. 300 AAC built upper issue FTE/FTF
  64. Armalite muzzle brakes
  65. New 14.5 Build, Failure to Extract Issues
  66. Extractor/Jamming issues
  67. M4-1000 suppressor bending firing pin retaining pin
  68. Need help on something relatively simple....
  69. Ar overgassing
  70. New upper reciever on a M&P Sport?
  71. Experienced Opinions - Short Stroke? Bolt Overrun? BAD?
  72. Hammer & Trigger Pin
  73. 16" Midlength BCM won't feed steel casing. Normal or not?
  74. fsb pinning in the SC area?
  75. LMT MRP FTF.
  76. cheap ammo and carbine gas v.s mid length gas, witch is more reliable?
  77. BCG
  78. New BCM with Troy Ind sights - Shoots Low No Matter What
  79. 41V45 vs 4150 differences?
  80. Mixing sight brands and compatability, can't zero
  81. Question and intro - Do barrel extensions ever fail?
  82. Free Float Conversion and Barrel Wear
  83. Want to switch 20'' to 14.5'' CHF
  84. Abuse limits for an AR
  85. Switching out a Daniel Defense handguard
  86. C4 rail, and alignment issues?
  87. Brass Hitting Upper
  88. Low profile DD gas block, pin or no?
  89. S/A BCG with an H Buffer.
  90. Barrel length-Velocity-Pressure & Suppressors
  91. Lower Receiver Vise Block Use
  92. Gas port sizing
  93. Stuck crush washer
  94. still trouble with c4 fsp rail
  95. Gas rings
  96. Barrel nut problem with TRX Alpha rail
  97. suppressor and adapter
  98. Problems with cycling on new 20in upper. PICS
  99. A brief explanation of MPI w/pics
  100. Barrel warp
  101. Cracked upper? Replace or shoot and forget?
  102. M16 / M4 Bolt Carrier Assemblies Deficiencies
  103. Used bolt, new upper
  104. Bore scoping and AR barrels
  105. Normal Bolt Lug Wear
  106. Comparing Stainless Barrels
  107. Low pro gas block pin protruding
  108. suppressed sbr reliability problems
  109. BCM FSB Cant ?
  110. A2 Rear sight question
  111. Pistons and violent early extraction...
  112. LMT MRP (non-CQB) upper and different length gas systems
  113. New M&P 15.
  114. A5 Annecdotes backed up with something other than "Feel"?
  115. Craziest Failure I've Ever Seen (No Pics, Sorry)
  116. Smoothing recoil impulse
  117. Standards for inspection of barrels?
  118. Barrel Breakin ?'s
  119. Standard thickness of chrome lining?
  120. Weird Malfunction
  121. Prvi-Partizan Extract Problems
  122. Suppressed only bolt lock malfunction. Ideas? [Resolved]
  123. Case extraction timing problem??
  124. BCM/LMT first stoppage ~600 rounds
  125. Iron sight installation question
  126. Polishing a Turd aka: Question about my issued RRA Carbine
  127. Sr556c Overgassed?
  128. Anyone had this type of malfunction?
  129. Crooked front sight on AR?
  130. couple of question on first lower build.
  131. If My FSB Is Not Canted, Help Me Figure Out What's Going On!
  132. Bolt over base ftf issue
  133. Strange Feeding issue
  134. Over torqued AAC Brakeout caused poor accuracy?
  135. Mid-length upper question?
  136. Gas Block Misalignment
  137. Would a Daniel Defense Omega X handguard stand up to being cut here?
  138. Gas leakage at front sight tower
  139. Malfunction
  140. Installed w/ Pics now - Trouble installing a Troy VTAC Alpha Rail
  141. [SOLVED] Mags dropping out after locked?
  142. MIM parts in firearms how can we tell?
  143. Daniel Defense Lite Rail Question
  144. Levang & KX3 install guides
  145. Sig M400 Help
  146. DD Lite rail barrel nut/plate collar problem
  147. no FSB rail/upper alignment
  148. Bolt locking issues
  149. Daniel Defense MK18 gas port size?
  150. Short Stroking/Brass Wont Clear Ejection Port
  151. A2X Effectiveness
  152. Strange Malfunction??? Total gun Lock up.
  153. FA FCG in SA lower
  154. How do I build a Belt Fed Upper Receiver NON 5.56
  155. Pivot Pin Hole Reamed Bright?
  156. Stripped screw head help
  157. Takedown pin hole size
  158. PMAG 20s not extremely reliable?
  159. Bad barrel extensions
  160. cutting rail
  161. Starting to get Failures to eject from my BCM midlength
  162. Adjustable gas blocks
  163. Fixed front sight permenant removal
  164. Securing a Castle Nut
  165. Colt Sporter W/Sear Block
  166. Barrel question and more.
  167. Troy Pro grade sling adaptor- any one use this?
  168. Perm attach Ops Inc Brake
  169. Barrel Treatments (nitride/CL)
  170. What is the Best Gas Piston Conversion?
  171. Colt 6720, FSB / Sight Post Question
  172. Buffer Retaining Pin....Is this ok??
  173. FTE problem today, What you guys think? Update in OP.
  174. What are my options for a gas block mounted front sight?
  175. Has anyone tried the Roedale HT-Comp?
  176. Sighting in new BCM 14.5 middy with LaRue BUIS...is this a problem?
  177. "Fast" AR
  178. Need Help: Weird dents on my AR bolt
  179. Bolt differences
  180. Cqb-r one piece gas ring?
  181. Overshooting brass deflector, how to correct?
  182. AAC mount?? Rockset required or will Loctite suffice?
  183. Considering a Barrel Swap and Free-Float Install
  184. Used Barrel/Bolt Combo, New Receiver
  185. KAC 200-600m 100yd zero?
  186. LMT v. BCM BCG
  187. Hydralic Buffer in an SBR?
  188. Gas Tube Question
  189. Problems Getting Upper to Feed Reliably [now with pics]
  190. Indexing muzzle brake
  191. Troy Alpha issues
  192. bullet trazectory
  193. Rifle length gun, some issues
  194. Is this normal??????!!!!!!
  195. How can I safely loosen tight threads?
  196. Magazines Not Seating
  197. ALG defense ACT trigger
  198. First Malfunctions
  199. Installation Question
  200. Canted FSB or out of spec upper ?
  201. gas block help
  202. Safety rotates full 180 degrees
  203. Attaching a pressure switch between rails
  204. 18" BBL with rifle gas- RE, spring & buffer suggestions please
  205. DD/BCM acting up after shooting steel cased ammo
  206. Mixed up trigger parts (USGI)
  207. Clean bore shooting
  208. red sprinco too much for 14.5 middy?
  209. KAC URX Uninstall??? HELP
  210. AR-15 won't fire more than one round.
  211. Bolt Assembly not going forward completely
  212. Failure to lock back, failure to feed
  213. Expected life of a flash hider
  214. Terminal Velocity Differences Between 16" and 14.5" barrels
  215. What A5 buffer weights for this list of guns?
  216. Iron sight height
  217. KAC URX II/III/3.1 forearm tool
  218. Removing float tube
  219. DD M4V7lw
  220. Commercial Buff Tube/lower proprietary ?
  221. Removing extractor w/o-ring
  222. Rifle length buffer tube extension questions
  223. Winchester ammo or magazine FTF
  224. POI Shift with "Hot" Colt Pencil/LW Barrel...
  225. Buffer tube placement over buffer retainer
  226. do these feedramps and extension look kosher?
  227. collapsible stock removal
  228. Head space after changing a barrel
  229. hot barrel information
  230. Deleted
  231. Action Spring and Buffer Weight for a Middy
  232. New gun not loading next round.
  233. Reworking my Spike's ST-15
  234. Buffers??? switch between 9mm and .223
  235. Has anyone used a Magpul PRS stock with a carbine style upper?
  236. Removing pinned F2 Sight and installing Vltor pinned flipup
  237. Perm Flash Hider question
  238. Barrel Thickness & Gas Port Sizing
  239. THE CUTAWAY
  240. How much can you tighten compensator on washers.
  241. Magpul 20 round magazines??
  242. Need Help Trouble Shooting Some Problems
  243. Question on barrel MPI
  244. Colt 6940 grip problem
  245. Overgassed all of a sudden?
  246. Can the safety selector be switched to the right side?
  247. FTE help requested
  248. Use the FSB as a barrel vice?
  249. Yankee Hill Triple Mount & Accuracy
  250. Indexing a muzzle brake with shims