- VLTOR A5 vs. H Buffer and heavy spring, is one better?
- Flip up sights
- Miles on trigger
- HK MR556 Upper Cut Down to 11.5" with a HK 416 Barrel Profile
- Lower buffer tube install concern
- Adapting a 80% lower to take ak47 mags
- Buffer Weights
- Barrel markings question
- Bolt not easy to lock open
- Rail for 18" Noveske SPR switchblock
- 16" midlength barrel cut down to 10.5"
- Brownell's BCG
- Accuracy Review: BCM vs Daniel Defense; Battle of the Lightweights!
- A5H0 vs carbine buffer on 14.5 mid
- Does the handguard affect accuracy on free float build?
- New Army weapon tech could make cleaning obsolete
- Recommendation for a 15 inch FF handguard?
- Question for those running LMT E-Carriers
- JP FMOS Carrier Group with JP EnhancedBolt - Is it worth the money?
- Ejector springs...anyone make a stronger one?
- Management of the Overgassed AR
- Difference in magazine followers
- Firing pin mark on primer when chambering?
- Need Advice about Rail for a Colt MK18 Upper with Shaved Front Sight Base
- AR Smiths
- Installed MI MLOK rail and gas block on M&P10, accuracy and cycling issues
- Necessary Tools & Knowledge
- HK's reverse KeyMod... Does anyone know if the mechanism is same?
- KAS RAS won't clear Delta Ring on 6933
- Troubleshooting the Mysterious Flier
- Barrel Dimples
- Knights 14.5 SR15 Mod 2 Issues
- Sand blasting AR15 barrel. Answer my questions?
- Did I potentially damage my upper Bev Block forgot to use retaining pin.
- Crush washer or lock nut?
- Source for quality M16 FCG
- Stainless steel barrel setup makes a "tinging sound"??
- difference in bcm buffer + trigger vs psa?
- Gun Cleaning?
- 13.7 barrel with be Meyers flash hider
- Sionics vs BCM LPK and Trigger?
- Mid-length rail question
- Cut off front sight block question
- Spikes dynacomp d2?
- over gased?
- What is a good AR armorers tool?
- Superficial receiver extension thread wear?
- Anyone ever see this on a firing pin before?
- What is causing this??
- Upper assembly problem
- How to pin a flash hider?
- How has the military dealt with copper fouling from "Brown Tip" ammunition?
- Proper spring/buffer?
- Geissele Super Gas Block touching handguard
- Easiest conversion: 16 to 14.5
- Ordered a 20" rifle length upper
- Removing over-torqued castle nut
- Think I have a gas leak.......
- Vltor A5 with BCM 11.5"
- 16" bull barrel ID please.
- What's with the new fangled magazines?
- Installing a new upper receiver
- Current LaRue Barrel Steel
- Magazine catch problems on new DD rifle.
- distance from gas block/port to end of muzzle on 7.5/10.5 5.56 barrels
- Removing LMT FSB *answered*.
- Installing the Forward Assist
- Long stroke SureFire Carrier
- 50y zero, 1.5" LOW at 100y, 0.5" high at 200y???
- DD's new rail...no barrel nut?
- Brownell's mags gtg?
- Midwest Industries Forged AR Upper opinions
- Just hosed up a BCM KMR barrel nut
- Ambidextrous selector switch
- Hard to retract CH/BCG with hammer back & safety on
- Issue zeroing 20" A4-ish clone with carry handle
- Interior Wear On Upper- Is This Normal?
- Cleaning and Lubrication Help Please
- Anyone have a spare A5H4 buffer?
- Need Advice on Replacing Faulty Dust Cover
- Can I use a non KAC bolt carrier in my Sr-15?
- Brand New BCM rifle --I MODIFIED-- *Failure To Eject*
- LMT MRP CQB erratic ejection
- Buffers: BCM 11.5 & 12.5
- Young Mfg. cam pin stuck
- Fail to extract, dobule feeds, etc
- Failure to feed issue
- Vltor A5 vs. Geissele Super 42, which is better?
- Can a KMR-A be installed from the rear?
- Failures to feed with new rifle
- Obvious wear on carrier key
- Datapoints regarding wear
- Rebuild and BCG no longer closing to barrel
- M4 buffer Spring T&E
- Lower related malfunction?
- The nitride barrels in Midwest Ind. Uppers?
- Different Models of KAC MAMS?
- Anyone using Caldwell's new Barrel Cooler?
- Colt front sight post width
- VLTOR A5 RE Buffer spring T&E
- MAGPUL pistol grip gap?
- 12.5" mid length gas system
- An Accuracy Comparison of Three Different Barrel/Ammunition Combinations
- LMT's Current gas port sizes 14.5" barrel
- Help needed with pinned gas block.
- Carbon fiber barrel
- KAC URX4 Fitment Question RE: Shaved FSB And Taper Pin Access
- Vltor A5 Setup for Multiple Uppers
- 16" OAL barrel longest muzzle devices
- Failure to Eject - 6.5 CM AR
- AXTS Freedom Bone
- AR-15 5.56mm headspace gage (field) that doesn't require bolt disassembly?
- Barrel nut torque and accuracy.
- Rail recommenation
- Whats the best buffer for an M4?
- Fixed A2 stock question
- Disadvantage of adjustable gas block?
- AR-15 Gas Ports: Krieger versus Ballistic Advantage
- Rifling in AR-15 Barrels: Hand-Lapped Barrel versus Budget Barrel
- Low Profile Lightweight Gas Block?
- Would you contact the manufacturer Update: Post 24 - Muzzle device issue? Help please
- Argument for pencil barrels?
- newbie question about changing barrels
- Magpul M-LOK Type 2 rail panel fit
- Army Testing Shows Piston Retrofit kits Are Not Less Accurate, And. . .
- Extended bolt catch for lefty rifles
- Pin and weld .740 diameter muzzle device on 14.5" barrel.
- Steel Ammuntion? In my AR?
- Steel Bullets, or something else?
- Evidence of hand working on barrel extensions of new colts
- Clamped Gas Block
- Bulged buffer tube on a 6920
- Collapsed Length of NEA PDW and MVB ARC Stocks
- Colt LE901 MARC BUIS Replacement Question
- Why aren't long-stroke piston designs more popular for ARs?
- Please advise whether this handguard fit is "acceptable"
- Bolt Hanging in Carrier?
- New trigger. Gimmick or awesome?
- MK18 Mod 0?
- Does enhanced bolt on lmt website have stress relief cut like enhanced BCG?
- Front site post swap
- Bcg rubbing buffer tube
- FTF - Right hand round hits feed ramp
- Barrel vs Rail slightly askew?
- Cleaning with Solvent
- Fixed carry handle and attaching optic
- You can build one cheaper???
- Is this normal AR bolt wear
- Trigger guard ears too wide?
- New Stock for P516
- BCM 14.5" mid-length barrel gas block - adjustable or not
- Please Help Me Figure Out this Problem
- Specialized Armament green extractor springs?
- Best buffer/spring combo for carbine receiver extension
- A2 front sight install.....
- Please Help With This Malfunction
- Gas port size for 16in rifle length gas
- Pins working their way out on old Bushmaster.
- Odd Malfunction
- Help: KAC 11.5" + Saker K Failure
- Can a LWRC Six8 lower use regular pmags ?
- SPR Muzzle Device
- Am I going to cause a malfunction on my rifle length buffer/A2 combo
- Shoots low
- 3 lug installation
- Rocksett Removal
- KAC 3-prong flashhider/mount orientation
- Magic slippery slip
- I'd appreciate some advice with my 1st sbr/300blk build
- Difference between 7075 & 6061 buffer tubes
- Changing a muzzle device for a class.
- Geissele G2S. Nice but want to lighten.
- Receiver Extension "tower" not symmetrical by design?
- SF Warden + SF3P-556 Flash Hider "?"
- Interesting issue with my Battle Arms BAD-CASS short throw
- Any Love for JP Adjustable Gas Blocks?
- Need help- AR-15 is now single shot
- Magazine Testing/Reliability
- Daniel Defense slim rail 12.0 vs DDM4
- Questions about lower receiver spec
- Muzzle brake suggestions for 3 Gun?
- Best gas tube?
- Buffer damage solution
- Staking help
- A5 buffer weights
- 6061 Lower Receiver Service Life?
- Need some help on BCM markings
- Strike Cookie Cutter Questions ??
- 40 yard sight in ???
- Upper wear concern?
- What are characteristics of a Quality AR?
- Which flash hiders does the new Gem-Tech HALO fit?
- Proper Adhesive for Set Screw (Gas block)
- BCM 11.5 w/A5H4 won't lock back or cycle unsupressed.
- Original KMR9 Problem - UPDATE!!
- DD barrel question
- Will changing your lower affect your zero
- Adjustable gas block under a Geissele MK8. What do I want?
- DPMS Recon 2
- What to look for in a quality Receiver Extension?
- LMT FSB Pin Size
- Modifying MagPul Butt Pad Angle
- Muzzle brake port at handguard
- Where do I find a side charger upper
- allen screw
- Seeking Gas Port Diameters
- Geissele MK8 Question
- LMT Enhanced Carrier Question
- Barrel discoloration
- Casing fissure
- Daniel Defense DDM4 weights
- Problem with vltor lower
- BRT 16" OPTIMUM Barrel w/ Extended Length Gas System
- Removing a bolt catch roll pin
- Need to have a front sight installed???
- Quick question about 50yd zero
- AR-10 Gas System Issues
- Loss of suppression in AAC SPR M4?
- You get what you pay for! Buffer destruction.
- Centurion Gas block Pinning Jig
- TO BARREL OR NOT ? 1ST BUILD DECISIONS.
- quick question on hammer forged barrels
- Most piston rifles have adjustable gas block, but how come ARs don't?
- 7075 extrusion pics
- PSA Barreled upper
- LMT E-Carrier/BCM 11.5" Barrel; BCG Wear...
- Function fail on new build
- Help troubleshooting: carrier stuck
- Need suggestions on a good upper
- Making my own a5 buffer but with standard buffer.
- Geissele SSA reset noise?
- Buffer/Spring
- In need of help. Malfunctioning parts gun with XM855
- Sights: A2 vs MBUS vs HK style
- Modifying my own standard buffer thread II with updates.
- Barrel input needed
- which to buy now?
- Need some help with my 12.5 in centurion barrel build.
- Preload & bottomed out data needed.
- The Vltor A5 System
- AR-15 Hammer issue
- Brass ejecting 1 and 2 o clock?
- MOE Handguard Modification
- Midlength 18" Short Stroking with Rifle Buffer/Spring???
- Tight BCG
- CSASS barrel lengths
- Bolt not locking on last round
- Law tactical folder + Vltor A5?
- Full auto help
- Extraction: Expanse Upper