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  1. Converting a lower receiver to a true ambi lower
  2. Ridiculous question: Need to know length of 20" AR with retractable stock
  3. over gassed??
  4. 2 O'Clock Ejection But No Malfunctions
  5. AR-15 Pistol grip question
  6. Questions regarding current AR Setup / New rails etc
  7. The NEW USGI Mag and "The Rest of the Story" Review
  8. Question on hammer marking on BCM lower.
  9. The case AGAINST free floating rails
  10. Flash hider has got me stumped
  11. M4 heat shield
  12. Low-pro gas blocks vs block w/intergral flip-up sights
  13. cam pin wear
  14. Cutting FSB while attached to barrel?
  15. Noveske: VIS vs. LoPro...thoughts
  16. How much practical difference does a MUR receiver make?
  17. Documented FTF in BCM upper
  18. Have you ever had your barrel come loose?
  19. Carrier tilt in piston guns Fact of myth
  20. Made a whoopsie with my Trigger Guard Pins.
  21. Colt buffer markings?
  22. Trick to replacing take down pins without removing the stock or end plate
  23. colt 6933 vs cut down colt 6720
  24. M4 car with quick detach sling mount
  25. Barrel Nut torque with Viking Tactics Extreme BattleRail
  26. Quick and Easy recoil Tuning question.
  27. Need help aligning barrel nut and gas tube.
  28. Adams Arms gas key need staking?
  29. going light, BCG, buffer?
  30. Head spacing a barrel
  31. Uber-tight upper:lower fit, how to loosen?
  32. Ran across this on The Highroad
  33. Upper Reciever Switch
  34. Re-profiling a barrel contour? Any issues w/ chosen profile?
  35. Headspacing
  36. selector switches
  37. Free Float Rail Alignment (potential problem?)
  38. Problem Installing Magpul ASAP
  39. Noveske Marked Vltor MUR Compatability With DD
  40. Measuring the barrel gas port size
  41. Is there a need to stake a sling mount?
  42. Daniel Defense Omega Rail 7.0 Video review
  43. Purpose of the hole on the right side of the pivot pin detent spring channel?
  44. Will cutting a Nitride barrel ruin the coating?
  45. Daniel Defense .625 gas block pinned incorrectly.
  46. RIS II and DDM4
  47. DD Lite Rail, torque specs?
  48. Diagnose my malf?
  49. Larue, Noveske, and their Stainless Barrels...
  50. Loose Barrel Extension Help
  51. Being too picky or unacceptable?
  52. Is this grease decent enough for lube?
  53. Stainless vs. 4150 (Barrel)
  54. Stuck parts - advice?
  55. Magazine maker cage codes.
  56. Pig-tail gas tube?
  57. PMAGs not locking bolt open...figured out why
  58. Black nitrade / melonite review of the guns i have had done
  59. Simunition bolt going fa.
  60. USGI MAGS IN -COMPLETE FEED?
  61. Templar Consulting Free Float Tube
  62. Ambi bolt release specs ?
  63. In need of some advice
  64. What can cause firing pin failure?
  65. Does BCM light weight upper (carbine) come with F marked FSB?
  66. Vltor A5 System
  67. Rail Attachment Method
  68. @ Range w/PSA, BCM 14.5" Middy, Spikes..
  69. info about olympic barrel
  70. Looking for some wisdom on issues with a new AR...
  71. Should I Switch Bolt Carriers?
  72. Twenty-Round Magazine Followers
  73. Loose handguard question...
  74. Can Anyone Identify This Barrel Marking?
  75. Trigger not resetting with suppressor.
  76. Are FSB "married" to barrels?
  77. FSB install?
  78. Heavier AR10 hammer in an AR15, will it hurt??
  79. POF Roller Cam
  80. Best Brake for Accuracy ?
  81. Vltor Upper and Larue Lower not fitting. (PICS)
  82. Tolerance Stacking??
  83. Cutting a BCM LW 14.5 to 12.5
  84. Rear BUIS, sighting in
  85. Can't get the FSB off....HELP...
  86. Barrel nut question
  87. Bushmaster buffer question
  88. Gas Blocks
  89. Some advice about SF MB556K and Battle Comp
  90. Otis Rail Gauge?
  91. captured safety detent spring modification
  92. Daniel Defense barrel nut wrench problem
  93. Fulton Armory Action Block Combo Kit
  94. Bolt Not Fully Seating Round Into Chamber (Out Of Battery)
  95. POF Roller Cam upgrade kits
  96. Free Float Rail Questions
  97. Cutting down a barrel
  98. Question for Marines familiar with the A4
  99. buffers w/non-milspec barrel ports
  100. Bufferless?
  101. Chamber help
  102. YAY! for RRA.....
  103. not aow - "other"
  104. Stuck flash hider
  105. LMT Defender 2000 vs. Colt & DD
  106. OEM Front site question
  107. Colt M4 Ejecting Into Receiver
  108. "S" stamped trigger in Colt
  109. POI POA shift @ 25 yards on a 50 yard zero.
  110. mid length gas system
  111. AR Upgrade Pictures
  112. Bolt Catch Lever
  113. BCM 14.5 barrel profiles and dimensions?
  114. Question on TRX Alpha Rail
  115. Double Feeds-2 live rounds 1 chamber-updated! page 2.
  116. Loose handguard help
  117. Colt Carbine Barrel Movement
  118. Broken extractor pin - can't remove
  119. Pivot pin not 'locking' properly
  120. Question with bolt carrier lock position on new build
  121. Upper and lower quality differences
  122. BCM/Pinned Flash Hider and TRX installation
  123. Colt 6940 Who has ACTUALLY had the barrel out?
  124. How to tell if your carrier key is properly staked.
  125. The importance of castle nut staking
  126. How does Spike FA BCG holdup?
  127. Commercial spring pins as parts
  128. Compound used on the fixed buttstock screw?
  129. New adams arms build premature wear?
  130. Bolt catch buffer and spring stuck..
  131. Weight DIFFERENCE...
  132. Receiver extension alignment
  133. Educate me please....question about SBR and BCG.
  134. Crush Washer Specifications
  135. Has anyone actually experienced a BCG failure?
  136. any diffeance in the DD and BCM LW mid hammer 16"
  137. Upper parts / assembly details ? Snap ring and weld spring
  138. Stag LPK Hammer - what is going on here?
  139. Which A5 buffer?
  140. Legs on my BCM Hammer Spring are bent ?
  141. How important is cleaning under the handguards?
  142. Marks on my casings
  143. Larue rail install
  144. Precision or accuracy issues when
  145. Removable rail sections
  146. ever have accuracy issues after installing a battle comp?
  147. polygonal riffle barrels? noveske?
  148. Middy won't feed steel case
  149. Front sight sits too high?
  150. Nickel Boron Bolt Carrier Battle: R Guns vs. Spike's
  151. Buffer/Spring set-up, Can it Damage a AR?
  152. Assembling a lower with a stock pre-pinned
  153. Colt lower question
  154. Colt barrel or BCM/DD? for a much needed upgrade.
  155. roll your own buffer?
  156. Running the bolt carrier on rails...
  157. A5 EMOD system on a STD carbine
  158. Need Help With a Problem (Or Maybe Not)
  159. Polymer rails
  160. Cutting Down a 16" Middy
  161. Opinions on Adam Arms Mid-length Piston Upper
  162. Improved battle sight zero
  163. Why the MIL-STD M4 and M16 action springs are the best ones.
  164. A2 to A4 upper question.
  165. Should I replace the FSB pins?
  166. Proper way to pin a flash hider to a barrel?
  167. AR gas hole location in regards to rifling
  168. Need help, I think I have a problem
  169. Unshrouded FP Questions
  170. Lower Receiver Dimensions?
  171. Rifle length gas system with a carbine tube and buffer?
  172. Extractor pins
  173. FSB question
  174. Why use taper pins (instead of roll pins) on gas blocks?
  175. Front take down pin stuck
  176. Barrel nut extension removal ?
  177. help me diagnose an issue
  178. Help determining if my FSB is canted?, Newbie post.
  179. Deleted
  180. If I don't have an H buffer
  181. Accurate Armory Midlength and Vltor A5: will it work?
  182. Testing Gas Rings
  183. Phosphate under gas block
  184. spec drawings for the inside of a BCG?
  185. FSB cant?
  186. Q on MRP system
  187. Getting FSB pins in
  188. Buffer spring rates?
  189. Troy TRX Standard Battlerail Question?
  190. Action Spring Analysis
  191. Palmetto State Armory ???
  192. Deleted
  193. AR Bolt Strength & Fatigue Life
  194. JP EZ trigger install in Knights...
  195. Troy 11" Alpha Rail w/ Built In Sight & Mid-length Gas System
  196. FTF with New Gun (Pics) *Update on p.3*
  197. 6520 Blind Pin
  198. Receiver Extensions in the white?
  199. Mechanical Zero Question
  200. Short buffer tube
  201. Friendly reminder...nearly all torque values are in foot pounds...
  202. This is not the right way to remove a squib.
  203. Spikes Tactical Lower? Will it do?
  204. Syrac Ordnance Adjustable Low Pro Gas Block
  205. A bit of help with this malfunction.
  206. Pinned muzzle brake and FSB removal?
  207. Steel receivers?
  208. Gas Port questions for AR build
  209. Switching a DD lite rail to a larue 13.2 rail
  210. Blueprints?
  211. <B>1 FSB?
  212. Removing stubborn barrel nut
  213. Aluminum barrel nuts
  214. Shot Peen Method
  215. Rifle tube with Carbine gas system
  216. Switch to A5 System?
  217. Barrel loose
  218. Which parts on trigger to you smooth out to get rid of grit?
  219. Staking Carrier
  220. Carrier Tilt.
  221. Flash suppressor test
  222. How to install A2 front sight?
  223. Wear in an M4?
  224. Who actually makes the bolt in the BCG?
  225. MOA per clickon A1/A2 rear sights?
  226. Sling swivels that work with DD Omega rail (besides DD ones)
  227. Want DD FSP rail for S&W M&P15 with delta ring and FSB
  228. Buffer Tube Question Mil-Spec vs Commercial
  229. Adding feedramps
  230. Can I use an M4ramped barrel with a non m4 upper?
  231. Round not firing when using bolt release on AR15
  232. Troy/VTAC and rail sections, install help.
  233. muzzle brake threads question
  234. Bolt not locking back on two different weapons at the same time?
  235. Which buffer for my setup?
  236. Bolt Carrier Group or spare bolt?
  237. Malfunction diagnosis help
  238. What buffer going from mid-length to 14.5" carbine?
  239. rail touching low pro gas block
  240. strange feeding problem
  241. Enhanced/Heavy Duty Gas Tubes
  242. Charging handle modification
  243. REAR SIGHT carry hANDLE
  244. LMT vs DD - Gas Systems
  245. New Magpul PMAG 30 M3 and SL Floorplate
  246. bolt not staying locked back?
  247. Help is need with an Upgrade Project to convert a A2 CAR to a Flatop
  248. m&p 15 T stuck round
  249. Sub-MOA Barrel?
  250. Gun sluggish/problems chambering in "cold"