AR Technical Discussion [Archive] - Page 23

consistently Failing to feed (49 replies)
Bennie Cooley BC-CAM M16/AR15 A1/A2 Co-Witnessing Mount (2 replies)
Rocksett necessary on Surefire brake? (6 replies)
one-piece gas rings and M4A1 (74 replies)
Barrel Opinions (12 replies)
Fix it or leave it alone? (4 replies)
What is considered light? (3 replies)
Correct front site for SDM build? (2 replies)
Noveske Switchblock & Supporting Stuff Question (9 replies)
Replacing gas rings (17 replies)
What makes some brands of free float rails cost so much more than others? (28 replies)
DD Omega X install (1 replies)
Best bang for the buck ar uppers (30 replies)
BCG questions (7 replies)
weird question- Glock-like AR triggers? (12 replies)
Scratch Build rifle. Input needed. Building parts list (11 replies)
MASSIVE ISSUES (23 replies)
NVM Found Answer (0 replies)
LMT MRP Piston - Zero Sight? (5 replies)
Installation of tactical latch (12 replies)
KAC vs redi mag (0 replies)
Geissele Directions and Lube Points? (6 replies)
Surefire FH556-212A - Effectiveness as a flash hider? (10 replies)
Thoughts on new trigger (57 replies)
Going from a 16" to a 14.5" w/ pinned flash suppressor (24 replies)
bolt failure to lock....... too much oil? (9 replies)
Issue with rifle surfaced during training course, report (108 replies)
Need help with MBUS sights (6 replies)
ATI AR15 multi tool (7 replies)
Commercial vs Milspec buffer tubes (7 replies)
A2 Flash Hider Removal? (5 replies)
Spring life (3 replies)
What breaks in the lpk? (2 replies)
Set Screw or Pinned? (2 replies)
Vltor VC-! (2 replies)
Can a Vltor low-pro gas block be used with regular handguards? (2 replies)
CAA rails (3 replies)
Vltor Gas Blocks (1 replies)
Noob, wanting to change 3 things, need advice (8 replies)
AR Build (3 replies)
Is my Geissele SSA trigger working properly? (7 replies)
Bolt hold open issue with new LMT (7 replies)
Forward grips?? (2 replies)
BCM 14.5" M4 Upper (15 replies)
BCM BFH barrels (4 replies)
Alexander Arms .50 Beowulf Entry Kit (4 replies)
DPMS sweet 16 223 or 556 (5 replies)
barrel weight (1 replies)
Anywhere to borrow or rent a MOACKS? (2 replies)
Questions re: installing Geissele SSA trigger (3 replies)
B.A.D. broke Bolt Catch Button (46 replies)
New Brownells Armorers Tool (36 replies)
Barrel extension torque? (3 replies)
CMMG Piston Upper (0 replies)
Tactical Springs CS Carbine Buffer Spring in a MIDDY (3 replies)
How to Tune an AR-15 for Steel Case Ammo (54 replies)
m4 feed ramps on a middy (3 replies)
ar 10+ ace socom? (0 replies)
Receiver weight (0 replies)
Which Rifle? (49 replies)
Weight of Complete A2 Lower? (2 replies)
How to make your AR more reliable/dependable? (5 replies)
Free floated rail advantages? (3 replies)
CHROME PLATED BCG (3 replies)
KNS Pins & SSA Trigger (12 replies)
Bolt swapping (3 replies)
H2 buffer in a 16" carbine (9 replies)
Sigh, I still cant figure out the rail situation..what to do (4 replies)
12.5" LMT Piston - Ammo Choices (2 replies)
Which Rail should I Choose? (2 replies)
Adjustable gas systems (1 replies)
Best handguard/rail for Mid length (18 replies)
Ne to forum..Anyone been able to match Magpul OD with a paint? (4 replies)
Sticky casing or chamber (12 replies)
Short sighted newbie (5 replies)
colt vs. colt (46 replies)
MI ERS Zero Question (6 replies)
MEGA-Quality (19 replies)
pics needed: troy TRX standard rail (0 replies)
First Upper Rebarrel, & Questions (10 replies)
Keeping dust cover pin in place with Larue handguards? (5 replies)
"H2" buffer in LMT build (1 replies)
DPMS carbines and KAC RAS installation problems (10 replies)
info about KAC URX II please (3 replies)
CMT lower parts kit question? (7 replies)
Troys new upper receivers (6 replies)
Bushmaster lower receiver (6 replies)
Anyone seen the Mega Monorail upper up close? (1 replies)
Would this work? (0 replies)
I keep neglecting to clean the extractor on my bolt. (8 replies)
question about carrier key wear (4 replies)
BCM upper on LMT Sopmod Lower (37 replies)
Safety switch on colt vs LMT ? (6 replies)
Questions about my new AR (4 replies)
Get an extra bolt? (1 replies)
A2 flash hider corrosion (3 replies)
lower (16 replies)
AR performance qd sling mount for trx extreme (8 replies)
Weight: Carbine versus Middy (11 replies)
Questions 4 LMT LWRC owners (0 replies)
Funny looking COLT selector. (12 replies)
Tubbs SSS Flatwire Buffer Spring.... (17 replies)
What Effect Does the Upper Have on Accuracy? (11 replies)
SR15 E3 Bolt Carrier Question (2 replies)
10.5 rail???? (6 replies)
Confused on Receiver Extentions: Mil Vs Com (3 replies)
Which stocks have anti rotation sling sockets? (4 replies)
Ambi Barrel Extensions (0 replies)
BRDE pinning jig (1 replies)
best length for a 16" free float hand guard (14 replies)
Piston System Buffer Weight & Carrier-Tilt (4 replies)
SUREFIRE muzzle brakes who has one pics please (13 replies)
Any one build a complete LaRue? (3 replies)
Best techniques and add-on parts for charging handle (CH) operation (8 replies)
Omega 12.0 FSB installed (6 replies)
Carrier Weight System (2 replies)
Omega X 12.0 FSP - front folding sight? (44 replies)
Middy Gas + Semi carrier=H buffer yes? (13 replies)
Anywhere to get spare MIAD backstrap pin? (10 replies)
Used BCG in a new upper (5 replies)
Sling question (6 replies)
Custom upper built in this manner? (4 replies)
gas block install question (3 replies)
Original M4 (1 replies)
Trigger Question (5 replies)
KAC .750 Low Profile Gas Block + Colt 6920 Barrel? (0 replies)
Causes of Doubling (other than disconnector) (5 replies)
9mm Colt AR (6 replies)
New to the site, I have a colt match target M4 (12 replies)
Semt technical question about a Colt 6450 LE ??? (0 replies)
Barrel Extensions... No, not a feedramp question. :) (8 replies)
Seeking Magazine Modification Help (5 replies)
Front sight removal (4 replies)
LMT bolt identification (16 replies)
Kaboom's on ar's... (14 replies)
Bedding the barrel? (9 replies)
M16 Clinic upper KABOOM (very pic heavy) (49 replies)
Causes for a failure to extract (4 replies)
Adams Arms Barrel (6 replies)
Engineering a Middy to shoot Wolf Ammo (15 replies)
Heavier barrel on M4 (20 replies)
replacing bcg? (1 replies)
Slimmest AR forearm side-to-side? (17 replies)
Is the gas port drilled after hard chroming? (12 replies)
Roll Pin Punches (17 replies)
Varmit triggers (2 replies)
Colt sear block question (2 replies)
S&W 15-22 ? about getting the barrel threaded (0 replies)
Middys & extractor springs, o-rings, etc. (13 replies)
Cam Pin Function Video (6 replies)
Need suggestions on a flip up front sight (13 replies)
Anyone know the weight of Troy's Extreme 11" rail? (2 replies)
Light primer strikes (1 replies)
How to identify bolt and carrier manufacturer? (3 replies)
Spare parts (2 replies)
Thinnest Bolt-On Rails? (16 replies)
Non FSB gas block install FAQ (1 replies)
Does the DD Lite Rail have QD Sling mount sockets? (6 replies)
What Front Sight Post or FSB for a Colt 6520 to Flat Top Conversion? (2 replies)
Low profile GB on DD barrel (10 replies)
Bolt catch trouble fixed. (2 replies)
Extractor Spring Too Strong? (3 replies)
Charging handle latch and bipod? (8 replies)
first time upper builder- what is wrong? (1 replies)
H2 buffer in a Middy? (5 replies)
Colt sear block/carrier question. (8 replies)
3 Gun Upper (5 replies)
install pistol grip 15T (2 replies)
Troy rear sight and trijicon night sights? (6 replies)
LMT MRP Berrel Screws (4 replies)
Mid Length Gas System (18 replies)
2 extractor spings, 1 bolt just under 2k rounds. (13 replies)
CASV-EL good choice for 6920? or old news? (7 replies)
bolt carrier staking question (6 replies)
Staking your Buffer? (20 replies)
URX II Question (2 replies)
1/7 twist out of 18"-- what grn rounds? (4 replies)
Problems removing gas tube (19 replies)
Anyone in Fort Worth with a single point castle nut wrench? (0 replies)
DPMS Lo-Pro Classic Inspection Report, 01/10 (4 replies)
What should my next upgrade be? (or Buffer Weight question) (13 replies)
~.936 Gas Block Needed (0 replies)
Barrel for 3-Gun Rifle (8 replies)
Daniel Defense 16in M4 barrel from Brownells? Any good? (14 replies)
trigger reset questions (3 replies)
SR-15 trigger problem...I think. (10 replies)
Colt straight cut bcg question (4 replies)
Barrel Installation question (5 replies)
Thinking of WOA 16" SS BBL...have ??s, need opinions. (0 replies)
Strong BUIS, also good sight? (7 replies)
Magpul B.A.D. lever. (45 replies)
AR hand guard end cap (0 replies)
Bolt fails to lock back on empty mag (4 replies)
HOW TO REMOVE THIS K3B PERMANENT FLASH HIDER???? (10 replies)
410 vs 416 Stainless steel barrels (8 replies)
Which rail, Omega 12. FSB or ? (3 replies)
Adams Arms Piston System and Noveske Barrels? (3 replies)
Anyone Modded the Redi Mag? (32 replies)
hammer forged barrel or not (31 replies)
Question about ejector springs (11 replies)
Pinned Gasblock - Pin Type question (3 replies)
BHI Rifle Length Handguard for AR-15 Carbine - Who has one of these? (7 replies)
Simple staking question (8 replies)
Good or Not? GMG 6 - position AR - 15 Carbine Stock (19 replies)
Zero red dot sight? Old Post? (5 replies)
what to check when u have to buy an used ar15?? (22 replies)
Iron Sight Problem (8 replies)
KAC Rail Covers Installation (10 replies)
M4 barrel ext. with a rifle upper. (1 replies)
Magpul BAD touching portside of upper receive? (11 replies)
Cutting down a 20" barrel? (36 replies)
smith to remove front taper pins (9 replies)
Barrel Q: cut a 16" down to 14.5"? (3 replies)
Low Pro Gasblock and Barrel Nut Question (3 replies)
M16 BCG wont fit in Colt Sporter lower? (17 replies)
Rebarrel to Sabre M4 or BCM Middy? (14 replies)
CMMG Bolt Upgrade ?'s (19 replies)
Any field reviews on PWS's DNTC, TTO, FSH 556? (6 replies)
BCG question, which to buy? (24 replies)
Importance of Quality Parts from Reputable Companies (12 replies)
Stake the Magpul ASAP to Castle nut? (5 replies)
Barrel without extension installed (1 replies)
Cut your slings down? (19 replies)
BCG question (5 replies)
Safety issue: stuck, live rounds (20 replies)
Piston system on a Noveske (2 replies)
flash hider install (18 replies)
Daniel Defense Lite rails vs. M4 rails... (17 replies)
Zeroing your weapon ... (25 replies)
Trouble with Troy 7 inch drop in rail system (2 replies)
Front sling swivel removal (9 replies)
Failure to fully cycle malfunction (17 replies)
Cold Hammer Forged or Stainless steel? (20 replies)
Acceptable amount of play in your UBR stock? (9 replies)
Magpul ASAP Single point sling attachmnt? (6 replies)
How easy is it to cross thread the pistol grip screw? (30 replies)
Need Help, with the bolt catch,spring & buffer (5 replies)
RRA lower and PMAGs (8 replies)
Getting gassed in the face (and not the good gas) (16 replies)
Parts Box Thread? (3 replies)
forward asst broke (34 replies)
gas block question (22 replies)
Question about barrel break-in. (14 replies)
Middy & Corresponding Barrel Length Question... (10 replies)
Stainless Barrel on Full Auto... BAD??? (4 replies)
Your opinion on these specs. (18 replies)
What's the difference between 10.5 and 10.3? (19 replies)
DD lower...what buffer? (7 replies)
Need some help (2 replies)
Short stroke system for .625 shoulder? (4 replies)