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

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AR Firing Pin Crush washer - 1/2", common for 5.56/.223 ARs and others
AR Firing PinCrush washer - 1/2", common for 5.56/.223 ARs and others

This is a Mil-Spec chrome plated stainless steel firing pin for AR-15 rifles and pistols.

Made in the USA!

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...

$7.99

$3.99

Crush washer - 3/4", common for 12.7x42 and others Crush washer - 49/64", common for .50 Beowulf and others
Crush washer - 3/4", common for 12.7x42 and othersCrush washer - 49/64", common for .50 Beowulf and others

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"...

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...

$4.99

$7.99

Crush washer - 5/8" common for 7.62/.308 ARs and other weapons AR Grip Screw - Allen/Hex Head Button Style with lock washer
Crush washer - 5/8" common for 7.62/.308 ARs and other weaponsAR Grip Screw - Allen/Hex Head Button Style with lock washer

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...

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...

$3.99

$2.99

AR Grip Screw - Allen/Hex Head Socket Style with lock washer AR Upper Receiver Wedge, Red Synthetic Rubber
AR Grip Screw - Allen/Hex Head Socket Style with lock washerAR Upper Receiver Wedge, Red Synthetic Rubber

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...

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...

$2.99

$2.99

AR/M4 Bolt Catch Plunger / Detent AR/M4 Bolt Catch Spring
AR/M4 Bolt Catch Plunger / DetentAR/M4 Bolt Catch Spring

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.

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

$1.99

$1.99

AR/M4 Buffer Retainer AR/M4 Buffer Retainer Spring
AR/M4 Buffer RetainerAR/M4 Buffer Retainer Spring

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

Made in the USA!

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

Made in the USA!

$1.99

$1.99