Parts, and what they bolt to

Optics, lights, grips and adapters, each carrying the interface it needs rather than a list of guns it claims to fit.

M1-B AK-47 Optic Mount (without side gas ports)

Category: Handguard
Maker: UltiMAK
Weight: Not recorded

M16A2 Rifle Handguard (factory)

Category: Handguard
Maker: Colt's Manufacturing Company LLC
Weight: Not recorded

M4 Carbine Handguard (factory)

Category: Handguard
Maker: Colt's Manufacturing Company LLC
Weight: Not recorded

M4 RAS Rail Adapter System

Category: Handguard
Maker: Knight's Armament Company
Weight: 252 g

MOE AK Hand Guard, AK47/AK74

Category: Handguard
Maker: Magpul Industries Corp.
Weight: 221 g

MOE M-LOK Hand Guard, Carbine-Length

Category: Handguard
Maker: Magpul Industries Corp.
Weight: 193 g

MOE M-LOK Hand Guard, Mid-Length

Category: Handguard
Maker: Magpul Industries Corp.
Weight: 247 g

MOE SL Hand Guard, Carbine-Length

Category: Handguard
Maker: Magpul Industries Corp.
Weight: 190 g

Omega Rail 7.0

Category: Handguard
Maker: Daniel Defense
Weight: Not recorded

OverMolded Shotgun Forend - Black

Category: Handguard
Maker: Hogue
Weight: 147 g

RIS III 12.5 Rail

Category: Handguard
Maker: Daniel Defense
Weight: Not recorded

Remington 870 20 Gauge: Black OverMolded Shotgun Forend

Category: Handguard
Maker: Hogue
Weight: Not recorded

Super Modular Rail MK16 M-LOK, 13.5 inch

Category: Handguard
Maker: Geissele Automatics
Weight: 380 g

UFM KeyMod System for AKM Rifles, Long Version

Category: Handguard
Maker: Krebs Custom
Weight: Not recorded

URX 4 M-LOK Rail, 14.5 inch

Category: Handguard
Maker: Knight's Armament Company
Weight: 391 g

Zastava M70 Handguard (factory)

Category: Handguard
Maker: Zastava Arms
Weight: Not recorded

Zhukov Hand Guard, AK47/AK74

Category: Handguard
Maker: Magpul Industries Corp.
Weight: 428 g

GLOCK Bold Sights by AmeriGlo

Category: Iron sight
Maker: AmeriGlo
Weight: Not recorded

Magpul MBUS Gen 2 Sight Set

Category: Iron sight
Maker: Magpul Industries Corp.
Weight: 71 g

Magpul MBUS Pro Sight Set

Category: Iron sight
Maker: Magpul Industries Corp.
Weight: 94 g

Night Fision Perfect Dot Night Sights for Glock

Category: Iron sight
Maker: Night Fision
Weight: Not recorded

Night Fision Perfect Dot Tritium Night Sights for Sig Sauer

Category: Iron sight
Maker: Night Fision
Weight: Not recorded

R3D 2.0 Tritium Night Sights - Sig Sauer

Category: Iron sight
Maker: XS Sights
Weight: Not recorded

Trijicon HD Night Sights for 1911 Novak Cut

Category: Iron sight
Maker: Trijicon
Weight: Not recorded