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United Defense Gun Parts

Discover a wide range of hard-to-find gun parts for firearms, from classic military issue guns to modern sporting rifles, all available in our United Defense Gun Parts category. As your trusted source for enthusiasts and professionals alike, we offer high-quality components designed to meet the needs of any shooter or collector.

AR-15 Bolt Catch Roll Pin - MS16561-119
AR-15 Bolt Catch Roll Pin

$1.95
AR-15 Bolt Catch Plunger – Brand New, MIL-SPEC AR-15 Bolt Catch Plunger
AR-15 Bolt Catch Plunger

$2.25
AR-15 Bolt Catch Spring - 8448633
AR-15 Bolt Catch Spring

$1.95
AR-15 Bolt Catch
AR-15 Bolt Catch

$7.95
AR-15 Trigger Guard Roll Pin – Brand New, MIL-SPEC AR-15 Trigger Guard Roll Pin
AR-15 Trigger Guard Roll Pin

$2.25
AR-15 pistol grip lock washer MS35335-61 external tooth star washer full view
AR-15 Pistol Grip Lock Washer

$1.95
AR-15 Pistol Grip Screw
AR-15 Pistol Grip Screw

$2.25
AR-15 Magazine Catch Spring – Brand New, MIL-SPEC AR-15 Magazine Catch Spring
AR-15 Magazine Catch Spring

$1.95
AR-15 Magazine Catch – Brand New, MIL-SPEC AR-15 Magazine Catch
AR-15 Magazine Catch

$7.95
AR-15 Magazine Catch Button – Brand New, MIL-SPEC AR-15 Magazine Catch Button
AR-15 Magazine Catch Button

$5.95
AR-15 A2 Pistol Grip
AR-15 A2 Pistol Grip

$7.95
AR-15 Trigger Guard – Brand New, MIL-SPEC AR-15 Trigger Guard
AR-15 Trigger Guard

$7.95
Keepshooting.com now carries a brand new, MIL-SPEC AR-15 trigger, which joins a variety of other brand new spare and replacement parts for the AR-15 platform. Pick one up today for just $11.95.
AR-15 Trigger

$14.95
AR-15 Disconnector – Brand New, MIL-SPEC AR-15 Disconnector
AR-15 Disconnector

$9.95
AR-15 Hammer – Brand New, MIL-SPEC AR-15 Hammer
AR-15 Hammer

$15.95
AR-15 Lower Parts Kit
AR-15 Lower Parts Kit

Special Price $37.95 Regular Price $49.95
1911 Main Spring
1911 Main Spring

$6.95
1911 Sear Spring – Mil-Spec Replacement Sear Spring for the M1911
1911 Sear Spring

$8.95
1911 Rear Sight in black steel showing rear notch, dovetail base, and serrated face
1911 Rear Sight

$11.95
1911 Firing Pin Stop in black steel showing firing pin hole, slide channel grooves, and flat body from front angle
1911 Firing Pin Stop

$12.95
1911 Firing Pin – Mil-Spec Replacement Firing Pin for the M1911
1911 Firing Pin

$11.95
1911 Hammer
1911 Hammer

Special Price $12.95 Regular Price $21.95
1911 Barrel Link
1911 Barrel Link

$5.95
1911 Extractor
1911 Extractor

$13.95
Thompson Leaf Sight Slide – Replacement Part for the Thompson Leaf Sight Assembly
Thompson Leaf Sight Slide

$26.95
Thompson Buttstock Screw
Thompson Buttstock Screw

$6.95
Mosin Nagant Ammo Pouch
Mosin Nagant Ammo Pouch

Special Price $4.95 Regular Price $10.95
MP44 Take Down Tool
MP44 Take Down Tool

Special Price $9.95 Regular Price $20.95
M1 Garand Gas Plug Wrench
M1 Garand Gas Plug Wrench

$16.99
H&R Reising High Capacity Magazine Housing
H&R Reising Magazine Housing

$15.60
7.62x54R Broken Shell Extractor
7.62x54R Broken Shell Extractor

Special Price $7.95 Regular Price $12.95
German Mauser K98 leather rifle sling coiled showing metal clip hook, leather keeper, brown finish
German Mauser K98 Sling

Special Price $12.95 Regular Price $18.95
Walther P22 thread adapter assembled angled view, black, knurled thread protector cap and muzzle bore opening
Walther P22 Thread Adapter

$15.95
M1A2 Rifle Grenade Adapter
M1A2 Rifle Grenade Adapter

$39.95
M2HB Buffer Assembly
Browning M2HB Buffer Assembly

$180.95
M2HB Barrel Support
M2HB Barrel Support

$299.95
M3 Tripod T&E Mechanism
T&E Mechanism for M3 Tripod

$499.95
M3 Pintle Parts Set
M3 Pintle Parts Set

$14.95
M3 .50cal Pintle Mount
M3 .50 Pintle

$74.95 As low as $59.96
M14 M1A Flash Hider Removal Tool
M14 M1A Flash Hider Removal Tool

$11.95
M14 blank fire attachment kit, front view showing orange-tipped silver combo tool and black blank firing device
M14 Blank Fire Attachment Kit

$27.95
AR15 M16 flash enhancer muzzle device side view, black steel with vented ports and tiered cooling fins
AR15 / M16 Flash Enhancer

Special Price $19.95 Regular Price $29.95
AK-47 Threaded Blank Fire Adapter - Side 2
AK-47 Threaded Blank Fire Adapter

$6.30
M1 Carbine Muzzle Brake
M1 Carbine Muzzle Brake

$16.95 As low as $13.56
.223 / 5.56 Broken Shell Extractor
.223 / 5.56 Broken Shell Extractor

$7.55
M1 Carbine Oiler
M1 Carbine Oiler

$8.95 As low as $7.16
M1 Carbine Flash Hider
M1 Carbine Flash Hider

$27.84

About United Defense

United Defense serves as the parent company of Keep Shooting, established to oversee the strategic growth and operational needs of the organization. Our mission at United Defense is rooted in a commitment to providing top-tier outdoor and shooting sports equipment at competitive prices, ensuring exceptional value for our customers. With a team of seasoned professionals boasting decades of expertise in the industry, we continue to deliver innovative products and unparalleled service, building on a legacy of excellence that spans over 20 years. Trust United Defense and Keep Shooting as your premier source for all your outdoor and shooting sports needs—where every purchase is designed to maximize the value of your hard-earned money.

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