These are new AR-15 / M4 parts that will fit AR-10 and LR-308 in many cases as well.

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Crush washer - 1/2", common for 5.56/.223 ARs and others Crush washer - 3/4", common for 12.7x42 and others
Crush washer - 1/2", common for 5.56/.223 ARs and othersCrush washer - 3/4", common for 12.7x42 and others

This is a 1/2" steel crush washer. It's most common use is on 5.56/.223 ARs as well as other rifles and pistols. Be sure to confirm the size of washer by measuring your barrel and/or what the maker tells you. Pricing is per washer and there are...

This is a 49/64ths" steel crush washer. It's most common use is on .50 Beowulf ARs as well as other rifles and pistols. Pricing is per washer and there are volume discounts. Approximate dimensions: Inner diameter: 0.759" Outer diameter: 0.953"...

$3.99

$4.99

Crush washer - 49/64", common for .50 Beowulf and others Crush washer - 5/8" common for 7.62/.308 ARs and other weapons
Crush washer - 49/64", common for .50 Beowulf and othersCrush washer - 5/8" common for 7.62/.308 ARs and other weapons

This is a 49/64ths" steel crush washer. It's most common use is on .50 Beowulf ARs as well as other rifles and pistols. Be sure to confirm the size of washer by measuring your barrel and/or what the maker tells you. Pricing is per washer and...

This is a 5/8" steel crush washer. It's most common use is on 7.26/.308 and a number of big bore ARs as well as other rifles and pistols. Be sure to confirm the size of washer by measuring your barrel and/or what the maker tells you. Pricing is...

$7.99

$3.99

AR Grip Screw - Allen/Hex Head Button Style with lock washer AR Grip Screw - Allen/Hex Head Socket Style with lock washer
AR Grip Screw - Allen/Hex Head Button Style with lock washerAR Grip Screw - Allen/Hex Head Socket Style with lock washer

This is a 1/4" x 28 thread pitch x 1" long alloy screw that has a allen/hex head button top that uses a 5/32" key. This will fit most AR-15 and AR-308 type rifles and pistols. Included with the screw is 1/4" external tooth lock washer. The reason...

This is a 1/4" x 28 thread pitch x 1" long alloy screw that has a allen head socket top that uses a 3/16" key. This will fit most AR-15 and AR-308 type rifles and pistols. Included with the screw is 1/4" external tooth lock washer. The reason for...

$2.99

$2.99

AR Upper Receiver Wedge, Red Synthetic Rubber AR/M4 Bolt Catch Plunger / Detent
AR Upper Receiver Wedge, Red Synthetic RubberAR/M4 Bolt Catch Plunger / Detent

These wedges are designed to push an AR upper receiver upwards to remove slack that can cause the upper to wiggle and lose accuracy during firing. It is made from a syntheticr ubber and can be sanded/trimmed to fit if needed. Many times it drops...

This is a Mil-Spec bolt catch plunger.  It sits on top of the spring and applies pressure to the bolt catch.

Made in the USA.

$2.99

$1.99

AR/M4 Bolt Catch Spring AR/M4 Buffer Retainer
AR/M4 Bolt Catch SpringAR/M4 Buffer Retainer

This is a Mil-Spec bolt catch spring.  It applies pressure to the bolt catch plunger in AR-15 and LR-308 lowers.

Made in the USA

This is the retainer that keeps the buffer in it's tube.  It's a Mil-Spec Part

Made in the USA!

$1.99

$1.99

AR/M4 Buffer Retainer Spring AR/M4 Buffer Spring
AR/M4 Buffer Retainer SpringAR/M4 Buffer Spring

This is a Mil-Spec spring that sits in the receiver and pushes the buffer retainer upwards.

Made in the USA!

This is a Mil-Spec buffer spring for AR/M4 carbines and pistols with a carbine length tube.

Made in the USA!

$1.99

$3.49

AR/M4 Carbine H1 Heavy Buffer AR/M4 Carbine H2 Heavy Buffer
AR/M4 Carbine H1 Heavy BufferAR/M4 Carbine H2 Heavy Buffer

This is an H1 buffer for the AR/M4 carbine rifles and pistols that use buffer length tubes,  It uses tungsten weights and weighs approximately 3.9oz

This is Mil-Spec sized.

Made in the USA!

 

This is an H2 buffer for the AR/M4 carbine rifles and pistols that use buffer length tubes,  It uses tungsten weights and weighs approximately 4.7oz

This is Mil-Spec sized.

Made in the USA!

 

$19.99

$29.99

AR/M4 Carbine H3 Heavy Buffer AR/M4 Ejector & Safety Selector Detent Spring
AR/M4 Carbine H3 Heavy BufferAR/M4 Ejector & Safety Selector Detent Spring

This is an H3 buffer for the AR/M4 carbine rifles and pistols that use buffer length tubes,  It uses tungsten weights and weighs approximately 5.4oz

This is Mil-Spec sized.

Made in the USA!

 

Mil-Spec replacement part for the ejector and safety selector detent spring for AR-15 and M4 rifles/pistols.

$39.99

$1.99

AR/M4 Extended Magazine Release Button AR/M4 Extended Takedown and Pivot Pin Set
AR/M4 Extended Magazine Release ButtonAR/M4 Extended Takedown and Pivot Pin Set

This extended model replaces the original mag release button and protrudges slightly more making it easier to find and push. The surface is knurled as well. It screws on just like the original but has a closed top so you thread it on until the...

This pin set includes both the rear takedown and front pivot pins.  They are CNC machined from steel and have extended heads/knobs to allow for easier gripping to pull them open. 

Made in the USA!

$6.99

$13.99

AR/M4 Magazine Release Spring AR/M4 Mil-Spec Magazine Release Button
AR/M4 Magazine Release SpringAR/M4 Mil-Spec Magazine Release Button

This is a Mil-Spec magazine release spring for AR-15 and LR-308 type rifles and pistols.

Made in the USA.

This is a Mil-Spec magazine release button that will fit AR-15 and LR-308 type rifles and pistols.

Made in the USA.

$1.99

$1.99

AR/M4 Receiver Extension Buffer Tube End Plate AR/M4 Receiver Extension Buffer Tube Lock Ring "Castle Nut"
AR/M4 Receiver Extension Buffer Tube End PlateAR/M4 Receiver Extension Buffer Tube Lock Ring "Castle Nut"

This is a Mil-Spec receiver end plate that orients the buffer tube vertically for AR-15/M4 and LR-308 carbines and pistols.

Made in the USA!

This is a Mil-Spec steel "castle nut" for locking the AR/M4 carbine's receiver extension/buffer tube in place.

Made in the USA!

$4.99

$4.99

AR/M4 Safety Selector AR/M4 Safety Selector Detent
AR/M4 Safety SelectorAR/M4 Safety Selector Detent

This is a Mil-Spec safety selector - sometimes called the selector switch or selector lever.  It will fit AR-15, AR-10 and LR-308 type rifles and pistols.

Made in the USA.

This is a Mil-Spec detent that goes on top of the safety selector spring on AR-15 and LR-308 type rifles and pistols.

Made in the USA!

$6.29

$1.99

AR/M4 Takedown and Pivot Pin Detent Spring M4 Receiver End Plate With Two Sling Attachment Loops
AR/M4 Takedown and Pivot Pin Detent SpringM4 Receiver End Plate With Two Sling Attachment Loops

Mil-Spec springs for the AR-15 and LR-308 takedown and pivot pin detents.

Made in the USA!

This is for one AR-15 / M4 / AR-10 / LR-308 Receiver Extension Buffer Tube End Plate with Ambidextrous Sling Loops. These have a one year warranty to the original buyer and we will replace the plate if you have a problem. Again, this is just for...

$1.99

$7.99

Replacement M-Lok T-Nut and Screw - two pairs
Replacement M-Lok T-Nut and Screw - two pairs

This is for two pairs (meaning two screws and two nuts) of quality stainless T-Nuts and Screws for M-Lok attachment points. The screw head measures 0.3" Length of thread is 0.38" T-nut width is 0.43" T-nut height is 0.2" The stainless screw comes...

$4.99