Upper Parts

Front Sling Swivel Rivet or Roll Pin ( AR15 / M16 / M16A1)

2 Styles to attach you front sling swivel: Rivet-Which requires special tool to shape it Roll Pi

M16 Gas Tube PINS- All models AR15 / M16

Standard Stainless Steel AR15 / M16 Gas tubes.   Will Work on: Rifle length Mid-length C

AR15 Cam Pin- Phosphate and Nickel Boron

AR15 Cam Pin Nickel Boron Phosphate

AR15/AR10 Bolt Carrier Key Screw Nickel Boron

Nickel Boron Bolt Carrier Key Screw. Works on AR15 or AR10

AR15/AR10 Bolt Carrier Key

AR15/AR10 Phosphate Bot Carrier Key

6.8 Cal SPC II Bolt Assembly Upgrade

6.8 Cal SPC II 9310 Steel - Nickel Boron Made In USA

308 / 6.5 Creedmore Bolt Assembly Upgrade

308/ 6.5 Creedmore Bolt Assembly  9310 Steel - Phosphate Finish Made In USA

6.5 Grendel Bolt Assembly Upgrade

6.5 Grendel Bolt Assembly 9310 Steel - Phosphate Finish Made In USA

Retro Rifles

NOS COLT Slip Ring

Standard on all Colt Models from the beginning of the AR15 story in 1960 up until replacement by the

M16 / AR15 Bolt Assembly Upgrade

Only Phosphate Bolt Assembly is on Sale Price- Regular $49 on sale for $39 3 different types of rep

Raw Cast - Front Sight Base (A Frame, FSB)

Raw Front Sight base, perfect for any DIYers Steel Made in USA Lifetime Guarantee  

Bushmaster

Charging handle Spring - Bushmaster

Charging handle spring

Front Sight Taper Pin

1 front sight base tapper pin of your choosing ( you need 2 to install the front sight base)  

Bushmaster

.625 Gas Block Flat Top with Bayonet Lug and Swivel point

Made in USA  .625 Gas Block Flat Top with Bayonet Lug and Swivel point

Bushmaster

Empty Chamber Flag- Yellow - Bushmaster

Empty Chamber Flag- Yellow

.750 Low Profile Gas Block

Features 4140 Hardened Steel Nitride Coated Comes with set screws and roll pin   Made

Ambidextrous Charging Handle

  Ambidextrous 7075 Aluminum construction   

Non "F" Marked - Front Sight Base (A Frame, FSB)

NON F .750 is currently on back order. Expecting Late Spring 2024   Standard Finished (Unalte

Ejection Port Cover Hinge Pin

Ejection Port Cover hinge pin. This is the long rod that support the assembly. Rod & c-clip onl

Ejection Port Cover Hinge Spring

Ejection Port Cover Hinge Spring. Spring only, no other parts included.   Made in the USA L

Ejection Port Cover Door

Ejection Port Cover Door. Door only, no other parts included.   New Black color Steel Mad

Ejection Port Cover Assembly

Ejection Port Door Assembly. This is the complete parts set for the Assembly. Includes: Door S

End Plate

Standard Milspec End Plate.   Steel Made in the USA Lifetime Guarantee

Barrel Nut Snap Ring

Mil Spec Barrel Nut Snap Ring (One of Four parts comprising the Barrel Nut Assembly).   The o

Weldon Spring

Weldon Spring for Barrel Nut Assembly.   The other 3 parts of the Barrel Nut Assembly: Slip

Retro Rifles

M16A2 / M4 Rear Sight Aperture (Flip)

This is the correct flip Aperture for all Colt models starting with the M16A2 onward. This would inc

Colt

Rear Sight Flat Spring ( AR15 / M16 / M16A1 / M16A2 / M4 )

Flat Spring for the Rear Sight Assembly for all model AR15's / M16's with a carry handle flip Rear S

Colt

Rear Sight Roll Pin ( AR15 / M16 / M16A1)

Roll Pin holding the Rear Windage Drum of the AR15 / M16 / M16A1 in place. Will not work on M16A2 S

Colt

Rear Sight Screw ( AR15 / M16 / M16A1)

Screw for the M16 Rear Sight Assembly. Only the Screw is included here on this page. Correct for u

Colt

Rear Sight Spring ( AR15 / M16 / M16A1)

M16 Rear Sight Spring. Correct for use in AR15 / M16 / M16A1. This is the Spring that sits under th

Colt

Rear Sight Detent ( AR15 / M16 / M16A1)

Detent for the Rear Sight Assembly for all model AR15's BEFORE the M16A2. This would include AR15 /

Colt

Rear Sight Aperture ( AR15 / M16 / M16A1 )

Original Colt M16 Rear flip Aperture used on the AR15 / M16 / M16A1 models.. as well as all other Co

Colt

Rear Sight Windage Drum ( AR15 / M16 / M16A1/ C7 / Daniel Defense )

Rear Sight Assembly Windage Wheel for AR15 / M16 / M16A1. Also used on all Colt models using the AR1

Forward Assist Roll Pin ( All Forward Assist models)

Forward Assist Roll Pin for all version assists (Teardrop, Large round, current Small Round, etc.)

Forward Assist Spring - ( All Forward Assist models )

Forward Assist Spring for all version assists (Teardrop, Large round, current Small Round, etc.) &n

Retro Rifles

Barrel Nut Assembly - Milspec

New Mil Spec Barrel Nut Assembly - with choice of Slip Ring or Delta Ring. All Four parts of the As

Front Handguard Cap - 5 Styles

Handguard Caps hold the front of the two pieces of the handguard to the barrel assembly. (The rear o

Retro Rifles

M16A1 Upper Receiver

3 Color Options: Black Grey Black/Green 2 Assembly Options: Stripped Assembly, comes wit

Retro Rifles

M4 Flat Top Upper Receiver - Keyhole Forged

 Standard Milspec flat top upper receiver. Appropriate for any "flat top" military build. 2 O

Retro Rifles

M16A2/ M4 Upper Receiver

2 Options Available: Stripped Assembly: Comes with rear sights, dust cover, and forward assist

Retro Rifles

AR15/ M16/ SP1 Slick Side Upper Receiver

2 Available Options: Stripped Receiver Assembly: Comes with rear sight and dust cover  

M16 Gas Tubes - All models AR15 / M16

Standard Stainless Steel AR15 / M16 Gas tubes.   Four Sizes available, based on Gas Port leng

Standard Charging Handle - Milspec - 7075 USA

Standard Milspec Charging Handle.   7075 Aluminum Type 3 Anodizing Made in the USA Lifetim

Forward Assist - All 4 types

All 4 types of Forward Assists used by the US military: Teardrop (1963-1982) Large Round- Modifi

"F" Marked - Front Sight Base - (A Frame, FSB)

 Standard Finished (Unaltered) .625 and .750 without Sling Swivel Assembly are the only items o

Retro Rifles

"Triangle" Charging Handle - Colt 601 / AR15 Prototypes

This is the first version of the AR-15 Charging Handle used on Armalite prototypes, the Colt 601 and

Retro Rifles

Slip Ring / Delta Ring - All USGI Colt Models

Standard on all Colt Models from the beginning of the AR15 story in 1960 up until replacement by the

Retro Rifles

Barrel Nut

Mil Spec Barrel Nut   Phosphate MADE IN THE USA  

Retro Rifles

C7 / C8 / M16A1E1 Upper Receiver

C7 (M16A1E1) Upper Receiver. This was a "transitional" model since it had a Shell Deflector for left

Retro Rifles

Grenade Ring - XM177E2 / GAU-5 A/A

In 1966 Colt sent about 3,000 10 inch barrel XM177E1's to Vietnam. By January of 1967 the Army had d